Question

A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is(g = 10 m/s2):
(a) 50 J
(b) 500 J
(c) 5 J
(d) 5000 J​

Answer 1

We know,

Gravitational potential energy = $mgh$

Highest point = $1 m$

Mass of man = $50 kgs$

Acceleration due to gravity 'g' = $10m/s^2$

So,

$E_p = (50 kg)(10 m/s^2)(1 m)$

$\implies E_p = 500 kg m^2/s^2$

$\implies E_p = 500 J$

∴ The second option is correct.

Answer 2

Answer:

Mass is 500 joules

Explanation:

here,

P.E =?

M=50 kg

g=10m/s²

h=1 m/s

we know that,

P.E= M×g×h

=50×10×1

=500

therefore,P.E =500 j