Question

What is the kinetic energy of a 90 kg mass that is moving with a velocity of 6 m/s?

Answer 1

The kinetic energy of a 90 kg mass that is moving with a velocity of 6 m/s is 1620 J.

Step-by-step explanation:

Given

• Mass m = 90 kg

• Velocity v = 6 m/s

To determine

• Kinetic Energy E = ?

The kinetic energy (K.E) of a body of mass of a 90 kg mass that is moving with a velocity of 6 m/s can be calculated using the formula

`K.E=(1)/(2)mv^2`

where

• m is the mass (kg)

• v is the velocity (m/s)

• K.E is the Kinetic energy (J)

substituting m = 90 and v = 6 in the formula

`K.E=(1)/(2)mv^2`

`K.E=(1)/(2)\left(90\right)\left(6\right)^2`

`=(1)/(2)\left(90\right)\cdot \:36`

`=1620` J

Therefore, the kinetic energy of a 90 kg mass that is moving with a velocity of 6 m/s is 1620 J.