Question

1. Name the instrument used to measure instantaneous speed of a vehicle

(a) Multimeter (b) Speedometer (c) Accelerator (d) Ammeter

2. How long would it take to travel 50 km travelling at a speed of 10 km/h?

(a) 5 hours (b) 1 hour (c) 3 hours (d) 50 hours

3. A man leaves his house at 7.30 a.m for a morning walk, and returns back at 8.15 a.m after covering 3 km. His

displacement in this time is:

(a) 2 km (b) 8 km (c) 4 km (d) 0 km

4. If you move 5 km north, 5 km east and 5 km south, then your displacement is

(a) Zero (b) 5 km towards south (c) 5 km towards east (d) 5 km towards north

5. How far will a car travel in 25 minutes at 12 m/s speed?

(a) 24 km (b) 18 km (c) 14 km (d) 10 km

6. If a person walked at 2 m/s for 12 s he/she would travel a distance of

(a) 24 m (b) 6 m (c) 4 m (d) 10 m

7. The speed at any instant of time is known as

(a) Velocity (b) Acceleration (c) Average speed (d) Instantaneous speed

8. Speed of 90 km/h when expressed in m/s

(a) 2.5 (b) 250 (c) 25 (d) 9000

9. Speed of 20 m/s when expressed in km/h

(a) 62 km/h (b) 72 km/h (c) 200 km/h (d) 2000 km/h

10. ——— describes how fast something is going in a certain direction.

(a) Velocity (b) Distance (c) Displacement (d) None of the above​

Answer 1

Answer:

1.b

2.a

3.a

4.0

5.10

6.a

7.d

8.d

9.b

10.c