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DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .
what is the formula for retardation
5 examples of uniform and Non-uniform motion.??
Why is d motion of an athlete moving along with circular path an accelerated motion?
list 10 scalar and 10 vector quantities related to motion.
What is the full form of CGS and SI?
give 5 examples of uniform circular motion ?
Please explain the derivation of the equations of motion by graphical method.
What is To and Fro Motion? Explain with examples.
derive the third equation of motion : v2 - u2 =2as
give 5 examples of uniform acceleration.
Can a body have zero velocity and still acceleration? give examples,Please answer by 7:30 pm today
if momentum of a body increases by 20 percent, then percentage increase in its kinetic energy is...
how to draw the distance - time graph for activity 8.9 and activity 8.10 in page number 106 and 107
Derive the following equations of motion graphically-
1) v = u + at
2) s = ut + 1/2at2
derivation - equation of motion by graphical method
Can u give me 9th cbse fa1 sample paper
A body travels 200cm in the 1st 2 s and 220cm in the next 5 s.Calculate the velocity at the end of 7th second from start ? It's answer is 2.22 m/s
what are the difference between uniform linear and uniform circular motion? explain with example.
a) Define uniform acceleration. What is the acceleration of the body movingwith uniform velocity?b) A particle moves over three quarters of a circle of radius r. What is themagnitude of its displacement?
differentiate between distance and displacement
Uniform circular motion is an accelerated motion . JUSTIFY THIS STATEMENT
What is the basic difference between Motion and Rest ?
A body is moving along a circular path of radius(R). What will be the distance and displacement of the body when it completes half revolution?
ABDUL WHILE DRIVING TO SCHOOL COMPUTES THE AVERAGE SPEED FOR HIS TRIP TO BE 20 KM/HOUR. ON HIS RETURN TRIP ALONG THE SAME ROUTE , THERE IS LESS TRAFFIC AND THE AVERAGE SPEED IS 30 KM/HOUR. WHAT IS THE AVERAGE SPEED FOR ABDUL'S TRIP?
Can the displacement be greater than the distance travelled by an object ?
state four differences between distance and displacement
Difference between uniform and non - uniform motion.
An object thrown upwards reaches the highest point in 5s . Find the velocity with which it ws thrown . Also find the displacement ... Pls ans .... 2mrw is ma exam ......
give an example to show that displacement can be negative?
S=ut+1/2at2 prove by graphical method.
explain different types of motion with dailylife examples.
example for acceleration against the direction of motion
3 difference between fundamental and derived physical quantities
rest and motion are relative terms. Explain.
1) Two bodies each of mass 0.5 kg are moving in a straight line but opposite in direction with the same velocity of 2m/s. They collide with each other and stick to each other after collision. What is the common velocity of these bodies after collision ?
2) An object of mass 1.5 kg travelling in a straight line with a velocity of 5 m/s collides with a wooden block of mass 5kg resting on the floor. This object sticks with the wooden block after collision and both move together in a straight line. Calculate a) the total momentum before collision b) the total momentum after collision and c) the velocity of th e combination of these objects after collision.
Please answer fast and explain me.
1.The numerical ratio of displacement to distance for a moving object is:
a)always less than 1
b)always equal to 1
c)always grater than 1
d)equal to or less than 1
explain too...
Ram hired a 3 wheeler from bus stand to his house. The driver A of 3 wheeler followed the shortest path and reached the destination in 1/2 an hour and charged Rs 50 from Ram. On the same day Ram's sister also came her house after attending a function in other city. She also came hired a 3 wheeler the diver B of 3 wheeler took an hour to reach and charged Rs 150 from her.
a) Is the displacement , between Bus stand and Ram house is same in both case?
b) What value are shown by A ?
give some examples of accelerated motion in everyday life
when a graph of one quantity versus another results in a straight line the quantities are:
a.] both constant
b.] equal
c.] directly proportional
d.]inversely proportional
Under what condition is the magnitude of average velocity of an object equal to it's average speed?
a boy of mass 60 kg running at 3m/s jumps on to a trolley of mass 140 kg moving with a velocity of 1.5m/s in the same direction. what is their common velocity. please answer this question.
A ball is dropped on the floor from the height of 10m. It rebounds to a height of 2.5m. If the ball is in contact with the floor for 0.01 seconds, what is the average acceleration during contact ?
Derive the equation :
EXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?
A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming that the acceeration is uniform. Find the acceleration and the distance traveed by the train for attaining this velocity.
Where on the earth's surface is th weight of a body (1) maximum (2) minimum. give reason.
draw a velocity versus time graph of a stone thrown vertically upwards with a velocity v and then coming downwards after attaining the maximum height.
a body can have zero average velocity but not zero average speed . justify
Difference between mass and weight
The table given below shows distance (in cm) travelled by the bodies A, B and C Read the data carefully B and C Read the data carefully and answers the questions which follow: Time Body A Body B Body C 1st Second 20 20 20 2nd Second 20 36 60 3rd Second 20 24 100 4th Second 20 30 140 5th Second 20 48 180 a) Which of the bodies is moving with: i) Constant speed ii) Constant acceleration b) Which of the three bodies covers :- i) Maximum distance in third second ii) Minimum distance in third second c) Which of the body is moving with non- uniform acceleration d) Sketch a distance- time graph for motion of I) Body A ii) Body C e) How much distance is covered by body C in 5s f) How much distance is covered by body B in last 3s g) Which of the bodies covers least distance in first three second
state the relationship connecting u, v, a & t for an accelerated motion. give an eg of a motion in which acceleration is uniform.
A body covers 4m in 3rd second and 12m in 5th second. If the motion is uniformly accelerated, how far will it travel in the next 3 seconds?
An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.
Explain whether force is balanced or unbalanced force
1) a suitcase is dropped from certain height.
2) Biscle is moving in straight line with constant velocity.
3) In game of tug of war , the two teams apply force but the rope does not move
4) a ball rolling on ground stops after sometime.
what are the similarities between distance and displacement ?
Give two examples of bodies having non-uniform motion
A car starts from rest and accelerates uniformly for 10 s to a velocity of 8 m/s. It then runs at a constant velocity and is finally brought to rest in 64 m with a constant retardation. The total distance covered by the car is 584 m. Find the value of acceleration, retardation and total time taken.
what type of motion uniform or non-uniform is exhibited by a freely falling body? give reasons for your answer
A train covers half of its journey with a speed of 30m/s and other half with a speedof 40m/s. Calculate the average speed of the train during the whole journey.
A car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds.
calculate the -
a)acceleration
b)distance covered by the car
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Syllabus
DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .
what is the formula for retardation
5 examples of uniform and Non-uniform motion.??
Why is d motion of an athlete moving along with circular path an accelerated motion?
list 10 scalar and 10 vector quantities related to motion.
What is the full form of CGS and SI?
give 5 examples of uniform circular motion ?
a) Uniform acceleration
b) Non Uniform acceleration
c) Retardation
d) Constant speed
No link please.
Please explain the derivation of the equations of motion by graphical method.
What is To and Fro Motion? Explain with examples.
derive the third equation of motion : v2 - u2 =2as
give 5 examples of uniform acceleration.
Can a body have zero velocity and still acceleration? give examples,Please answer by 7:30 pm today
1. less than one 2. greater than one 3. equal to one 4. greater than or equal to one
if momentum of a body increases by 20 percent, then percentage increase in its kinetic energy is...
how to draw the distance - time graph for activity 8.9 and activity 8.10 in page number 106 and 107
Derive the following equations of motion graphically-
1) v = u + at
2) s = ut + 1/2at2
1. positive , positive 2. positive , negative 3. negative , negative 4. negative , positive
derivation - equation of motion by graphical method
Can u give me 9th cbse fa1 sample paper
A body travels 200cm in the 1st 2 s and 220cm in the next 5 s.Calculate the velocity at the end of 7th second from start ? It's answer is 2.22 m/s
what are the difference between uniform linear and uniform circular motion? explain with example.
a) Define uniform acceleration. What is the acceleration of the body movingwith uniform velocity?b) A particle moves over three quarters of a circle of radius r. What is themagnitude of its displacement?
differentiate between distance and displacement
Uniform circular motion is an accelerated motion . JUSTIFY THIS STATEMENT
What is the basic difference between Motion and Rest ?
a)its acceleration
b)the force acting on the body
c)The change in momentum of in 2 seconds after start
A body is moving along a circular path of radius(R). What will be the distance and displacement of the body when it completes half revolution?
?
ABDUL WHILE DRIVING TO SCHOOL COMPUTES THE AVERAGE SPEED FOR HIS TRIP TO BE 20 KM/HOUR. ON HIS RETURN TRIP ALONG THE SAME ROUTE , THERE IS LESS TRAFFIC AND THE AVERAGE SPEED IS 30 KM/HOUR. WHAT IS THE AVERAGE SPEED FOR ABDUL'S TRIP?
Can the displacement be greater than the distance travelled by an object ?
state four differences between distance and displacement
1) A scooter moving with a speed of 300m per 1 minute
2) A car moving with a speed of 36 km per hour
Difference between uniform and non - uniform motion.
An object thrown upwards reaches the highest point in 5s . Find the velocity with which it ws thrown . Also find the displacement ... Pls ans .... 2mrw is ma exam ......
give an example to show that displacement can be negative?
S=ut+1/2at2 prove by graphical method.
explain different types of motion with dailylife examples.
example for acceleration against the direction of motion
a.determine the total distance waled by the coach during the last 16 sec.
B.detrmine the resulting displacement of the coach in the last 16sec.
C.determinethe displacement of the coach after 12sec.
D.what was the fastest speed which he coach walked during any of the time intervals for the last 16 sec.
E.what was the average speed of the coach for thes 16 sec.
3 difference between fundamental and derived physical quantities
rest and motion are relative terms. Explain.
1) Two bodies each of mass 0.5 kg are moving in a straight line but opposite in direction with the same velocity of 2m/s. They collide with each other and stick to each other after collision. What is the common velocity of these bodies after collision ?
2) An object of mass 1.5 kg travelling in a straight line with a velocity of 5 m/s collides with a wooden block of mass 5kg resting on the floor. This object sticks with the wooden block after collision and both move together in a straight line. Calculate a) the total momentum before collision b) the total momentum after collision and c) the velocity of th e combination of these objects after collision.
Please answer fast and explain me.
1.The numerical ratio of displacement to distance for a moving object is:
a)always less than 1
b)always equal to 1
c)always grater than 1
d)equal to or less than 1
explain too...
Ram hired a 3 wheeler from bus stand to his house. The driver A of 3 wheeler followed the shortest path and reached the destination in 1/2 an hour and charged Rs 50 from Ram. On the same day Ram's sister also came her house after attending a function in other city. She also came hired a 3 wheeler the diver B of 3 wheeler took an hour to reach and charged Rs 150 from her.
a) Is the displacement , between Bus stand and Ram house is same in both case?
b) What value are shown by A ?
give some examples of accelerated motion in everyday life
when a graph of one quantity versus another results in a straight line the quantities are:
a.] both constant
b.] equal
c.] directly proportional
d.]inversely proportional
Under what condition is the magnitude of average velocity of an object equal to it's average speed?
a boy of mass 60 kg running at 3m/s jumps on to a trolley of mass 140 kg moving with a velocity of 1.5m/s in the same direction. what is their common velocity. please answer this question.
The distance-time graph of two buses is shown below. The buses start simultaneously in the same direction:
(a) How much ahead of A is B when the motion starts?
(b) What is the speed of B?
(c) When and where will A catch B?
(d) What is the difference between the speeds of A and B?
(e) Is the motion of both the buses uniform or non uniform? Justify your answer.
A ball is dropped on the floor from the height of 10m. It rebounds to a height of 2.5m. If the ball is in contact with the floor for 0.01 seconds, what is the average acceleration during contact ?
1) total distance covered
2) Net displacement of Mr. Kumar.
Derive the equation :
EXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?
- (a) Derive the equation of motion v = u +at, using graphical method.
(b) A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming the acceleration is uniform, findA train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming that the acceeration is uniform. Find the acceleration and the distance traveed by the train for attaining this velocity.
Where on the earth's surface is th weight of a body (1) maximum (2) minimum. give reason.
draw a velocity versus time graph of a stone thrown vertically upwards with a velocity v and then coming downwards after attaining the maximum height.
a body can have zero average velocity but not zero average speed . justify
Difference between mass and weight
The table given below shows distance (in cm) travelled by the bodies A, B and C Read the data carefully B and C Read the data carefully and answers the questions which follow: Time Body A Body B Body C 1st Second 20 20 20 2nd Second 20 36 60 3rd Second 20 24 100 4th Second 20 30 140 5th Second 20 48 180 a) Which of the bodies is moving with: i) Constant speed ii) Constant acceleration b) Which of the three bodies covers :- i) Maximum distance in third second ii) Minimum distance in third second c) Which of the body is moving with non- uniform acceleration d) Sketch a distance- time graph for motion of I) Body A ii) Body C e) How much distance is covered by body C in 5s f) How much distance is covered by body B in last 3s g) Which of the bodies covers least distance in first three second
state the relationship connecting u, v, a & t for an accelerated motion. give an eg of a motion in which acceleration is uniform.
A body covers 4m in 3rd second and 12m in 5th second. If the motion is uniformly accelerated, how far will it travel in the next 3 seconds?
An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.
Explain whether force is balanced or unbalanced force
1) a suitcase is dropped from certain height.
2) Biscle is moving in straight line with constant velocity.
3) In game of tug of war , the two teams apply force but the rope does not move
4) a ball rolling on ground stops after sometime.
what are the similarities between distance and displacement ?
Give two examples of bodies having non-uniform motion
A car starts from rest and accelerates uniformly for 10 s to a velocity of 8 m/s. It then runs at a constant velocity and is finally brought to rest in 64 m with a constant retardation. The total distance covered by the car is 584 m. Find the value of acceleration, retardation and total time taken.
what type of motion uniform or non-uniform is exhibited by a freely falling body? give reasons for your answer
A train covers half of its journey with a speed of 30m/s and other half with a speedof 40m/s. Calculate the average speed of the train during the whole journey.
A car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds.
calculate the -
a)acceleration
b)distance covered by the car
seconds. The particle is momentarily at rest at t =
A. 0.75 s
B. 1.3 s
C. 5.3 s
D. 7.3 s
E. 9.3 s
ans: B