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Syllabus

DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .

what is the formula for retardation5 examples of uniform and Non-uniform motion.??

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?

list 10 scalar and 10 vector quantities related to motion.

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 ?

What is the full form of CGS and SI?

give 5 examples of uniform circular motion ?

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

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

derive the third equation of motion : v

^{2}- u^{2}=2ascan a body have constant speed and still be accelerating?

give 5 examples of uniform acceleration.

What is To and Fro Motion? Explain with examples.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

a body covers one complete revolution around a circular path of circumference 176m in 4 minutes . find the displacement of the body after 6m.

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

^{2}, where x is in metersand t is in seconds. Its average velocity over the interval from t = 0 to t = 4 s is:

A. 5m/s

B. −5m/s

C. 11m/s

D. −11m/s

E. −14.5m/s

ans: B..plz explain

differentiate between distance and displacement

Uniform circular motion is an accelerated motion . JUSTIFY THIS STATEMENT

a) Uniform acceleration

b) Non Uniform acceleration

c) Retardation

d) Constant speed

No link please.

What is the basic difference between Motion and Rest ?

A force of 25N acts on a mass of 500g resting on a frictionless surface.What is the acceleration produced?

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?

(a) How long does it take to reach the ground?

(b) What is the velocity with which it will strike the ground?

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?

1. less than one 2. greater than one 3. equal to one 4. greater than or equal to one

state four differences between distance and displacement

What kind of motion of a body represent by the graph given below-

Difference between uniform and non - uniform motion.

give an example to show that displacement can be negative?

give one example of each :

1. acceleration is in the direction of motion

2. acceleration is against the direction of motion

3. acceleration is uniform

4. acceleration is non uniform

S=ut+1/2at

^{2 }prove by graphical method.explain different types of motion with dailylife examples.

of 4m/s2. Its average velocity as it goes from x = 2m to x = 8m is:

A. 1m/s

B. 2m/s

C. 3m/s

D. 5m/s

E. 6m/s

ans: E

example for acceleration against the direction of motion

3 difference between fundamental and derived physical quantities

rest and motion are relative terms. Explain.

A car travels from Mumbai to Pune at a average speed of 50 km/hr and back from

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) Displacement

(b) Speed

(c) velocity

(d) acceleration

give some examples of accelerated motion in everyday life

Why is the motion of a circulating fan non-uniform?

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

a)its acceleration

b)the force acting on the body

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

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 ?

when is a body said to be in motion (or moving)..??

Derive the equation :

^{2}EXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?

what is essential to describe the position of object

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.

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.

Where on the earth's surface is th weight of a body (1) maximum (2) minimum. give reason.

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?Difference between mass and weight

a body can have zero average velocity but not zero average speed . justify

give one type of motion in which distance and displacement are same

An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.

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

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?

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.

the displacement time graph of a body is parallel to time axis.what will you infer about the velocity of body?

what type of motion uniform or non-uniform is exhibited by a freely falling body? give reasons for your answer

a boy hits a football high up into d air. He runs and catches d football before it hits d ground. Which of two, d boy or d football has greater displacement?

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

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

A boy tries to hit a bird by throwing stone vertically upward but the stone misses the bird. The stone goes upward in the air for 3s. While returning after 1s the stone hits the bird.