Question

a),2500
b) 100
C) zero
d) 1500
3. When a uniform rod is heated, which of the following quantity of the rod will increase
a) mass
b) weight
C) centre of mass d), moment of inertia
2. An ideal refrigerator has freeze at temperature -12°C. The coefficient of performance​

Answer 1

Answer:

(c)zero

Explanation:

Q.3

(A) Mass