03. Equation of Motion
Motion in One Dimensions

141737 A bullet moving with a speed of 100 ms1 can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

1 6
2 10
3 4
4 8
Motion in One Dimensions

141738 A car moving with a speed of 50 km/hr can be stopped by brakes, over a distance of 6 m. If the same car is moving at a speed of 100 km/hr. the stopping distance is

1 12 m
2 18 m
3 6 m
4 24 m
Motion in One Dimensions

141739 A body is moving with uniform acceleration covers 200 m in the first 2 seconds and 220 m in the next 4 seconds. The velocity in m/s after 7 seconds is

1 10
2 15
3 20
4 30
Motion in One Dimensions

141736 In a lift moving up with an acceleration of 5 ms 2, a ball is dropped from a height of 1.25 m. The time taken by the ball to reach the floor of the lift is (nearly) (g=10 ms2)

1 0.3 s
2 0.2 s
3 0.16 s
4 0.4 s
Motion in One Dimensions

141737 A bullet moving with a speed of 100 ms1 can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

1 6
2 10
3 4
4 8
Motion in One Dimensions

141738 A car moving with a speed of 50 km/hr can be stopped by brakes, over a distance of 6 m. If the same car is moving at a speed of 100 km/hr. the stopping distance is

1 12 m
2 18 m
3 6 m
4 24 m
Motion in One Dimensions

141739 A body is moving with uniform acceleration covers 200 m in the first 2 seconds and 220 m in the next 4 seconds. The velocity in m/s after 7 seconds is

1 10
2 15
3 20
4 30
Motion in One Dimensions

141736 In a lift moving up with an acceleration of 5 ms 2, a ball is dropped from a height of 1.25 m. The time taken by the ball to reach the floor of the lift is (nearly) (g=10 ms2)

1 0.3 s
2 0.2 s
3 0.16 s
4 0.4 s
Motion in One Dimensions

141737 A bullet moving with a speed of 100 ms1 can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

1 6
2 10
3 4
4 8
Motion in One Dimensions

141738 A car moving with a speed of 50 km/hr can be stopped by brakes, over a distance of 6 m. If the same car is moving at a speed of 100 km/hr. the stopping distance is

1 12 m
2 18 m
3 6 m
4 24 m
Motion in One Dimensions

141739 A body is moving with uniform acceleration covers 200 m in the first 2 seconds and 220 m in the next 4 seconds. The velocity in m/s after 7 seconds is

1 10
2 15
3 20
4 30
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Motion in One Dimensions

141736 In a lift moving up with an acceleration of 5 ms 2, a ball is dropped from a height of 1.25 m. The time taken by the ball to reach the floor of the lift is (nearly) (g=10 ms2)

1 0.3 s
2 0.2 s
3 0.16 s
4 0.4 s
Motion in One Dimensions

141737 A bullet moving with a speed of 100 ms1 can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

1 6
2 10
3 4
4 8
Motion in One Dimensions

141738 A car moving with a speed of 50 km/hr can be stopped by brakes, over a distance of 6 m. If the same car is moving at a speed of 100 km/hr. the stopping distance is

1 12 m
2 18 m
3 6 m
4 24 m
Motion in One Dimensions

141739 A body is moving with uniform acceleration covers 200 m in the first 2 seconds and 220 m in the next 4 seconds. The velocity in m/s after 7 seconds is

1 10
2 15
3 20
4 30