1 |
An athlete runs with a speed of 12 ms-1. Determine the longest jump he can undertake. |
- A. 12 m
- B. 14.4 m
- C. 24 m
- D. 16.2 m
|
2 |
A ball is thrown up with 20 ms-1 at an angle of 60 <sup>o</sup>with x-axis , the velocity of the ball at the top position is. |
- A. 0 ms-1
- B. 10 ms-1
- C. 20 ms-1
- D. 16 ms-1
|
3 |
When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes. |
- A. Small
- B. Zero
- C. Maximum
- D. Vi cos
|
4 |
Average acceleration is a |
- A. Scalar quantity
- B. Vector quantity
- C. <div>(-) ve quantity</div>
- D. None of these
|
5 |
The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be |
- A. 98 m
- B. 19.6 m
- C. 4.9 m
- D. 9.8 m
|
6 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
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7 |
The acceleration of a projectile along x axis is. |
- A. Zero
- B. Increase
- C. Decrease
- D. Equal to 'g'
|
8 |
The mass of a body is quantitative measure of its |
- A. Motion
- B. Inertia
- C. Weight
- D. All of these
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9 |
Distance covered by a freely falling body is 2 seconds will be |
- A. 9.8 m
- B. 19.6 m
- C. 44.4 m
- D. 49 m
|
10 |
The time rate of change of momentum equals |
- A. Weight
- B. Applied force
- C. Impulse
- D. Mass
|