Free Printable JES Kinematics

1.

An object can be moving for 10 seconds and still have zero displacement.

a)

True

b)

False

2.

An airplane accelerates down a runway at 3.20 m/s/s
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.

a)

0.4 m/s

b)

25.6 m/s

c)

2.5 m/s

3.

At 60 seconds, how far had this object traveled?

a)

0 m

b)

10 m

c)

20 m

d)

40 m

4.

Describe the motion

a)

Slow to fast; Negative direction

b)

Fast to slow; Negative direction

c)

Fast to slow; Positive direction

d)

Slow to fast; Positive direction

5.

This is the x-tgraph of the motion of a particle. Of the four points P, Q, R,and S, the velocity vx is greatest (most positive) at

a)

P

b)

Q

c)

R

d)

S

6.

This is the x-tgraph of the motion of a particle. Of the four points P, Q, R,and S, the speed is greatest at

a)

P

b)

Q

c)

R

d)

S

7.

This is the x-tgraph of the motion of a particle. Of the four points P, Q, R,and S, the acceleration ax is greatest (most positive) at

a)

P

b)

Q

c)

R

d)

S

8.

You toss a ball straight upward, in the positive direction. The ball falls freely under the influence of gravity.

At the highest point in the ball’s motion,

a)

its velocity is zero and its acceleration is zero.

b)

its velocity is zero and its acceleration is positive (upward).

c)

its velocity is zero and its acceleration is negative (downward).

d)

its velocity is positive (upward) and its acceleration is zero.

e)

its velocity is positive (upward) and its acceleration is zero.

9.

This is a motion diagram of an object moving along the x-direction with constant acceleration. The dots 1, 2, 3, … show the position of the object at equal time intervals ∆t. Which of the following vx-tgraphs best matches the motion shown in the motion diagram?

a)

b)

c)

d)

e)

10.

An object moves along the x-axis with constant acceleration. The initial position x is positive, the initial velocity is negative, and the acceleration is positive.

Which of the following vx-t graphs best describes this motion?

a)

b)

c)

d)

e)

11.

Which graph represents zero acceleration (constant velocity)?

a)

A

b)

B

c)

C

d)

D

12.

1. A particle starting from rest moving with uniform acceleration maintains a constant ratio of square of its velocity to distance traveled equal to 4. The acceleration of the particle in ms^-2 is

a)

2

b)

0

c)

4

d)

1

13.

A particle starting from rest accelerates at a constant rate of a $ms^{-2}$ for $\frac{t}{2}$ seconds and decelerates at a constant rate of b $ms^{-2}$ for $\frac{t}{2}$ seconds and comes to rest. The maximum velocity attained by the particle in its journey is

a)

$\frac{\left(a+b\right)t}{ab}$

b)

$\frac{\left(a+b\right)}{abt}$

c)

$\frac{\left(a+b\right)t}{2ab}$

d)

$\frac{abt}{a+b}$

14.

A bird flies past a window of length 6m in 3 second with a uniform acceleration. If $v_A$ and $v_B$ are the speed of the bird at the beginning and end of the window, then

a)

$\frac{v_A}{v_B}=\frac{1}{3}$

b)

$v_Av_B=1m^2s^{-2}$

c)

$v_A-v_B=3ms^{-1\ }$

d)

$v_A+v_B=4ms^{-1\ }$

15.

The water pipes connecting a city are provided with a slope so as to produce a constant acceleration. If the water covers a distance of in 100 seconds and in next covers a distance of another the initial speed with the water is released into pipes speed is

a)

60 m/minute

b)

10 ms^-1

c)

60 kmph

d)

6 km/minute

JES Kinematics

Total questions: 15

Worksheet time: 40mins

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