Question

calculate the momentum of a cricket ball off mass of 0.15 kg travelling at a velocity off 144 km h​

Answer 1

Given :

Mass of cricket ball = 0.15kg

Velocity of the car = 144km/h

To find :

The momentum of the cricket ball.

Solution :

The product of mass and velocity is called momentum.

• Momentum is a vector quantity having both magnitude and direction.
• The SI unit of momentum is kilogram metre per second.

We know momentum is product of mass and velocity that is

p = mv

where,

• p denotes momentum.
• m denotes mass.
• v denotes velocity$.$

According to question

first we have to convert km/hr to m/s

1km/hr = 8/15m/s

144km/hr = 144 × 8/15 = 40m/s

by substituting all the given values in the formula,

➠ p = mv

➠ p = (0.15)(40)

➠ p = 6 kg.m/s

thus, the momentum of the cricket ball is 6 kg.m/s