Question

what would the mass be of an object that was moving at a velocity of 35 m/s and has a kinetic energy of 500j be?

Answer 1

0.816 kg

Step-by-step explanation:

`E_k=(1)/(2)mv^(2)\\`

so
`m=(2E_k)/(v^2)=(2*500)/(35^2)=0.816 kg`