Question

If the mass of a car is doubled then how will its potential energy change?​

Answer 1

Answer:

When mass is doubled , Potential energy gets doubled. When mass is halved , Potential energy decreases by half.

Explanation:

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Answer 2

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Let, Initially

• Mass of a car = m

then,

→ Potential energy (U) = 1/2 m v²

Given,

• Mass of the car is doubled.

• => m' = 2m

then,

→ Potential energy = 1/2 × 2m × v²

→ Potential energy = 2 (1/2 m v²)

→ Potential energy = 2 U

Therefore,

• Potential energy is doubled.