Question

an objectmiving with a speed of 35m/s has a kinetic energy of 9800j. what is the mass of the object?​

Answer 1

Question:

An object moving with a speed of 35 m/s has a kinetic energy of 9800 J. What is the mass of the object?

Solution:

We know that:-

$\boxed{ \sf {K.E. = \frac{1}{2} mv^{2}}}$

→ 9800 = 1/2 (m. 35²)

→ m = 9800.2/35²

→ mass = 16 g