CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Relative Velocity in 2D

A player thro...

Question

A player throws a ball vertically upwards with velocity u. At highest point,

A

both the velocity and acceleration of the ball are zero.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

the velocity of the ball is u but its acceleration is zero.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

the velocity of the ball is zero but its acceleration is g.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

the velocity of the ball is u but its acceleration is g.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C the velocity of the ball is zero but its acceleration is g.
Acceleration remains constant $=$ acceleration due to gravity $(g)$
At highest point, $H$ max so, its derivative $= 0$ .

Suggest Corrections

thumbs-up

0

Similar questions

Q. A player throws a ball vertically upwards.What is the direction of acceleration during upward motion? and what is the velocity at the highest point of motion?

Q. A ball is thrown straight upward with initial velocity 15 m/s. Calculate acceleration of the ball at its highest point?

Q. A player throws a ball with an initial speed of 29.4 m/s .
a) what is the direction of acceleration during the upward motion of the ball
b) what are the velocity and acceleration of the ball at the highest point of its motion
c) choose X = 0 m and t = 0 sec to be the location and time respectively of the ball at the
highest point , vertically downward direction to be positive direction of x axis and give the
signs of position velocity and acceleration of the ball during its upward and downward
motion
d) to what height does the ball rise and after how long does it return to the players hands ?

Q. A player throws a ball upwards with an initial speed of

29.4 m s^{- 1}

.
(a) What is the direction of acceleration during the upward motion of the ball ?
(b) What are the velocity and acceleration of the ball at the highest point of its motion ?
(c) Choose x = 0 m and t = 0 s to be the location and time of the ball at its highest point, vertically downward direction to be the positive direction of x-axis, and give the signs of position, velocity and acceleration of the ball during its upward, and downward motion.
(d) To what height does the ball rise and after how long does the ball return to the players hands ? (Take

g = 9.8 m / s^{2}

and neglect air resistance).

Q. A boy throws a ball to his friend

20 m

away. The ball reaches to the friend in

4 s

. The friend then throws the ball back to boy and it reaches the boy in

5 s

. Assume the ball travels with constant velocity during any throw.

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Relative Motion in 2D

PHYSICS

Watch in App

explore_more_icon

Explore more

Relative Velocity in 2D

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon