Question

E. Give reasons for the following. 1. The time period of a given simple pendulum is constant. 2. Sundial cannot be used on a cloudy day or at night. 3. In our day-to-day life, it is rare to find an object moving with constant speed. 4. The distance-time graph for uniform motion gives a straight line. 5. A car is moving with a speed of 25 m/s and and a bus is moving with a speed of 90 km/h. Both the vehicles are moving with the same speed.​

Answer 1

Answer:

length is constant

Explanation:

acceleration due to gravity is constant