Question

when a hammer of mass 2kg is raised to a height of 0.4m. calculate its potential energy?
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Answer 1

Answer:

Potential energy is 7.84 joules

Explanation:

Given that,

A hammer of 2 kg is raised to a height of 0.4 metres.

Calculate the P. E. (potential energy)

P. E. is given by,

→ mgh

Where,

• m(mass) = 2kg
• g(acceleration due to gravity) = 9.8 m/s²
• h(height) = 0.4 metres

Substituting the given values,

→ 2 × 9.8 × 0.4

→ 7.84 joules

∴ Potential energy is 7.84 joules.

_____________________

Formula used :

• Potential energy = mgh

Where,

• m denotes the mass of the object.
• g is the acceleration due to gravity.
• And, h is the height.