141736
In a lift moving up with an acceleration of , a ball is dropped from a height of . The time taken by the ball to reach the floor of the lift is (nearly)
1
2
3
4
Explanation:
D Given, Acceleration due to gravity (Because and are in opposite direction) Acceleration of the lift w.r.t ball,
Karnataka CET-2013
Motion in One Dimensions
141737
A bullet moving with a speed of 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
Explanation:
D Given, When speed double, condition, II condition, (Let planks penetrate) Now, So, planks
Karnataka CET-2004
Motion in One Dimensions
141738
A car moving with a speed of can be stopped by brakes, over a distance of . If the same car is moving at a speed of . the stopping distance is
1
2
3
4
Explanation:
D Given,
J and K-CET- 2011
Motion in One Dimensions
141739
A body is moving with uniform acceleration covers in the first 2 seconds and in the next 4 seconds. The velocity in after 7 seconds is
1 10
2 15
3 20
4 30
Explanation:
A Given, condition, II condition, From equation (i) and (ii), we get From equation (ii), Now,
141736
In a lift moving up with an acceleration of , a ball is dropped from a height of . The time taken by the ball to reach the floor of the lift is (nearly)
1
2
3
4
Explanation:
D Given, Acceleration due to gravity (Because and are in opposite direction) Acceleration of the lift w.r.t ball,
Karnataka CET-2013
Motion in One Dimensions
141737
A bullet moving with a speed of 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
Explanation:
D Given, When speed double, condition, II condition, (Let planks penetrate) Now, So, planks
Karnataka CET-2004
Motion in One Dimensions
141738
A car moving with a speed of can be stopped by brakes, over a distance of . If the same car is moving at a speed of . the stopping distance is
1
2
3
4
Explanation:
D Given,
J and K-CET- 2011
Motion in One Dimensions
141739
A body is moving with uniform acceleration covers in the first 2 seconds and in the next 4 seconds. The velocity in after 7 seconds is
1 10
2 15
3 20
4 30
Explanation:
A Given, condition, II condition, From equation (i) and (ii), we get From equation (ii), Now,
141736
In a lift moving up with an acceleration of , a ball is dropped from a height of . The time taken by the ball to reach the floor of the lift is (nearly)
1
2
3
4
Explanation:
D Given, Acceleration due to gravity (Because and are in opposite direction) Acceleration of the lift w.r.t ball,
Karnataka CET-2013
Motion in One Dimensions
141737
A bullet moving with a speed of 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
Explanation:
D Given, When speed double, condition, II condition, (Let planks penetrate) Now, So, planks
Karnataka CET-2004
Motion in One Dimensions
141738
A car moving with a speed of can be stopped by brakes, over a distance of . If the same car is moving at a speed of . the stopping distance is
1
2
3
4
Explanation:
D Given,
J and K-CET- 2011
Motion in One Dimensions
141739
A body is moving with uniform acceleration covers in the first 2 seconds and in the next 4 seconds. The velocity in after 7 seconds is
1 10
2 15
3 20
4 30
Explanation:
A Given, condition, II condition, From equation (i) and (ii), we get From equation (ii), Now,
NEET Test Series from KOTA - 10 Papers In MS WORD
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Motion in One Dimensions
141736
In a lift moving up with an acceleration of , a ball is dropped from a height of . The time taken by the ball to reach the floor of the lift is (nearly)
1
2
3
4
Explanation:
D Given, Acceleration due to gravity (Because and are in opposite direction) Acceleration of the lift w.r.t ball,
Karnataka CET-2013
Motion in One Dimensions
141737
A bullet moving with a speed of 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
Explanation:
D Given, When speed double, condition, II condition, (Let planks penetrate) Now, So, planks
Karnataka CET-2004
Motion in One Dimensions
141738
A car moving with a speed of can be stopped by brakes, over a distance of . If the same car is moving at a speed of . the stopping distance is
1
2
3
4
Explanation:
D Given,
J and K-CET- 2011
Motion in One Dimensions
141739
A body is moving with uniform acceleration covers in the first 2 seconds and in the next 4 seconds. The velocity in after 7 seconds is
1 10
2 15
3 20
4 30
Explanation:
A Given, condition, II condition, From equation (i) and (ii), we get From equation (ii), Now,