Please answer these questions...

Dear Student,

Answer to your Q's are given below.

1. (A) Meter/Second is the most appropriate unit to express speed of a Rocket.

2. (B) Speedometer is a instrument used for measuring car's travelled distance.

3. (A) Pie Chart for composition of air.

4. (C) Pendulum Clock for small intervals of time.

Regards,
Priya Agrawal.

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