Question

9. Give reason :-
a. During athletics meet, a high jumping athlete is provided eigher
a cushion or a heap of sand on the ground to fall upon
B. Road accidents at high speeds very much worse than road accidents at low speeds.
C. When a hanging carpet is beaten with a Stick, the dust particle start coming out of it. ​

Answer 1

Answer:

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Answer 2

Answer:

Refer down below

Explanation:

1. So that the impact on the jumper when he lands is not very great and he/she doesn't get injured.
2. The force at greater speeds is much higher
3. Pressure applied on the carpet makes the dust fall down.