Question

During a landslide a huge rock is rolling down at a velocity of 10m/s and having Kinetic
energy 12500J. Calculate the mass of the rock?

Answer 1

Explanation:

mass = 4u

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Answer 2

Answer:

250 kg

Explanation:

v=10m/s

$K_{E}$ = $\frac{1}{2}$$\frac{m}$$v^{2}$= 12500J

$\frac{1}{2}$ x $\frac{m}$ x 100 = 12500

$\frac{1}{2}$m = 125

m = 250 kg