1:   A body falls freely under gravity. The distances covered in 1st, 2nd and 3rd second in the ratio
Options:
1. 1:3:5
2. 1:2:3
3. 1:4:9
4. 1:4:6

Explanation:

Sorry, No description available.

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2:   A body released from the top of tower covers 20 m in last 2 seconds. Uf g =10 m/s2, the height of the tower is
Options:
1. 60m
2. 45 m
3. 80 m
4. 50 m

Explanation:

Sorry, No description available.

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3:   A car travels half of the distance with speed 40 km/h and remaining half with 60 km/h. The average speed of the car is
Options:
1. 50 km/h
2. 48 km/h
3. 100 km/h
4. 20 km/h

Explanation:

Sorry, No description available.

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4:   Starting from rest, a body moves with uniform acceleration 8 m/s2, the distance travelled in 5th second is
Options:
1. 36 m
2. 40 m
3. 100 m
4. zero

Explanation:

Sorry, No description available.

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5:   A train is moving with velocity 72 km/h. The retardation required to stop it after 200 m is ------ m/s2.
Options:
1. 2
2. 20
3. 1
4. 10

Explanation:

Sorry, No description available.

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6:   Velocity of projection upwards is 15 m/s, the maximum height attained is
Options:
1. 11.25 m
2. 16.2 m
3. 24.4 m
4. 7.62 m

Explanation:

Sorry, No description available.

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7:   A body projected upward reaches height h and comes to original place of projection, then
Options:
1. distance travelled by body is zero
2. the average speed is zero
3. displacement is 2h
4. displacement is zero

Explanation:

Sorry, No description available.

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8:   A ball projected vertically up reaches height h in time t, value of h in time 1/2 will be
Options:
1. 7h/8
2. 3h/4
3. h/2
4. h/4

Explanation:

Sorry, No description available.

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9:   The motion of molecules of gas is
Options:
1. one dimensional
2. two dimensional
3. three dimensional
4. only up and down

Explanation:

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10:   Ratio beween maximum range and square of time of flight in projectile motion is
Options:
1. 10:49
2. 49:10
3. 98:10
4. 10:98

Explanation:

Sorry, No description available.

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Parents can only give good advice or put them on the right paths, but the final forming of a person's character lies in their own hands.
-Anne Frank