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Syllabus

DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .

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

5 examples of uniform and Non-uniform motion.??

two balls of different masses are thrown vertically upward with same initial velocity.maximum heights attained by them are h1 and h2 respectively .what is h1/ h2

list 10 scalar and 10 vector quantities related to motion.

what is the formula for retardationWhat is the full form of CGS and SI?

^{2}. Solve the following :-Please solve in a detailed manner.

give 5 examples of uniform circular motion ?

Please explain the derivation of the equations of motion by graphical method.

derive the third equation of motion : v

^{2}- u^{2}=2as(a) 12 m/s

(b) 6 m/s

(c) 2 m/s

(d) 0 m/s

A force of 15N acts for 5s on a body of mass 5kg which is initially at rest.Calculate:-

give 5 examples of uniform acceleration.

a) Uniform acceleration

b) Non Uniform acceleration

c) Retardation

d) Constant speed

No link please.

Can a body have zero velocity and still acceleration? give examples,

Please answer by 7:30 pm todayif 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 + 1/2at

^{2}derivation - equation of motion by graphical method

Can u give me 9th cbse fa1 sample paper

Define uniform velocity of an object moving along a straight line. What will be the shape of velocity-time and position-time graphs for such motion?

what are the difference between uniform linear and uniform circular motion? explain with example.

differentiate between distance and displacement

Now answer the following Questions -

1- Find Manan's speed in m/s .

2- What is acceleration of the car ?

3- Which values of Sharman are worth appreciating.

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?

Two identical balls are at rest side by side at the bottom of a hill. Sometime after ball A is kicked up the hill, ball B is given a kick up the hill. Ball A is headed downhill when it passes ball B headed up the hill. At the instant when ball A passes ballB, it has the same

(A) Position and velocity as ball B

(B) Position and acceleration as ball B

(C)Velocity and acceleration as ball B

(D)Displacement and velocity as ball B

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?

state four differences between distance and displacement

Difference between uniform and non - uniform motion.

a)its acceleration

b)the force acting on the body

c)The change in momentum of in 2 seconds after start

(a) V= u+ at

(b) 2as= v2? u2

(c) Vav=(u + v)/2

(d) S= ut + ? a t2

give an example to show that displacement can be negative?

S=ut+1/2at

^{2 }prove by graphical method.name the force responsible for the change in the position or state of an object?? plzzz ans.it's veryyyyy urgent!!

explain different types of motion with dailylife examples.

Can the displacement be greater than the distance travelled by an object ?

example for acceleration against the direction of motion

3 difference between fundamental and derived physical quantities

A body moving with uniform acceleration covers 24m in th 4th second and 36m in th 6th second . Then its acceleration and initial velocity are

a) 6 m/s

^{2}, 3 m/sb) 2 m/s

^{2}, 2 m/sc) 4 m/s

^{2},4 m/sd) 6 m/s

^{2}, 5 m/srest and motion are relative terms. Explain.

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...

a)uniform circular motion

b)uniform circular motion and motion of atheletes in a straight line

c)motion of atheletesin a straight line

d)body movingwith constant velocity

give some examples of accelerated motion in everyday life

Under what condition is the magnitude of average velocity of an object equal to it's average speed?

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 :

^{2}- (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, findEXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?

time Object A Object B Object C 1 sec 10 5 12 2 sec 10 10 8 3 sec 10 15 15 4 sec 10 20 17 5 sec 10 25 12

(a) Classify the motion of the three objects as uniform or non-uniform motion. (b) Who has travelled : (i) maximum and (ii) minimum distance in 4th sec ?

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.

can the equation v = u+at be used for a particle moving with nonuniform acceleration ?

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.

What is To and Fro Motion? Explain with examples.Difference between mass and weight

Tithe following table shows the position of Renu,while she is going to her school.draw the distance travelled versus time graph for her motiona body can have zero average velocity but not zero average speed . justify

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 ?

A body covers 4m in 3^{rd}second and 12m in 5^{th}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.

A particle is projected with a velocity "v" note at an angle of 30 degree with the vertical.Find the average velocity for its time of flight.

IF POSSIBLE PLZ EXPLAIN WITH A FIGURE

what are the similarities between distance and displacement ?Give two examples of bodies having non-uniform motion

Q. An insect moves along a circular path of radius 10cm with a constant speed. It takes 1 minute to move from a point on the path to the diametrically opposite point, find

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 car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds.

calculate the -

a)acceleration

b)distance covered by the car

Time (h)

11.00 11.30 12.00 12.30 1.00Distance (km)

0 30 30 65 100Plot the graph:

(i) Find the speed of the car between 12.00 hours and 12.30 hours

(ii) What is the average speed of the car?

(iii) Is the car's motion an example of uniform motion? Justify.

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

Q what is the displacement of a satilite when it makes a complete round along around its circular path of radius. caculate its distance and displacement in its half of perdioc time?