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A person standing on a moving truck, thr...

A person standing on a moving truck, throws a stone vertically up relative to himself. To a person, standing on the ground, the stone appears to : (immediately after being thrown).

A

Rise vertically up and come down

B

Rise towards the rear of the truck

C

Move along a parabolic path

D

Rise straight and forward but inclined to the direction of motion of truck

Text Solution

Verified by Experts

The correct Answer is:
c
With respect to the man on ground, the ston has horizontal velocity (equal to that of the truck) as well as vertical velocity. So, it would appear to move along a parabolic path.
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Knowledge Check

  • A person sitting in an open car moving at constant velocity throws a ball vertically up into air. The ball falls

    A
    Outside the car
    B
    In the car ahead of the person
    C
    In the car to the side of the person
    D
    Exactly in the hand which threw it up

  • A person standing on the edge of a well throws a stone vertically upwards with an initial velocity 5ms^(-1) . The stone gone up, comes down and falls in the well making a sound. If the person hears the sound 3 seconds after throwing the the depth of water (neglect time travel for the sound and take g=10ms^(-2) )

    A
    1.25 m
    B
    21.25 m
    C
    30 m
    D
    32.5 m

  • A person, standing on the roof of a 40 m high tower, throws a ball vertically upwards with speed 10 m/s. Two seconds later, he throws another ball again in vertical direction (use g=10(m)/(s^2) ). Both the balls hit the ground simultaneously.

    A
    The first ball hits the ground after 4 seconds.
    B
    The second ball was projected vertically downwards with speed 5 m/s
    C
    The second ball was projected vertically downwards with speed 5 m/s.
    D
    the distance travelled by the first ball is 10 m greater than the distance travelled by the second ball.
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