A particle is thrown vertically upwards. Its velocity at half of the height is 10 ms-1. Then the maximum height attained by it is (Take g= 10ms-2).
16m
10m
8m
18 m
A body is projected horizontally with velocity 196 ms-1 from height 400m. What is the time to reach the ground?
5s
9s
15s
20s
A body is projected vertically upwards with a velocity of 20 m/s. The maximum height reached by the body is
20 m
200 m
40 m
10 m
What is the final velocity of a body, which is fell down from a height of 5m?
40m/s
30m/s
20m/s
10m/s
A ball is dropped from the top of a building, having a height of 45m. What will be the time of descent of the ball?
3s
4s
6s
Time for which a body remains in the air is called
Time of ascent
Time of descent
Time period
Time of flight
For upward motion, the value of ‘g’ is taken as
+ve
–ve
0
1
For an object moving upwards, the value of final velocity will be
9.8
1/2
1/4
Which among the following is the expression for maximum height travelled by an object?
ut + ½at2
u/g
u2/2g
2as
The free fall of a body is influenced only by
Mass of the body
Pressure of air
Gravity
Height of the object
