Question

a motorbike of 80kg is moving with a uniform velocity of 10m/s. Calculate the energy possessed by the motorbike.​

Answer 1

Answer:

• 4000 Joules is the required answer.

Explanation:

Given:-

• Mass,m = 80 kg
• Velocity ,v = 10 m/s

To Find:-

• Energy Possessed by the Motorbike.

Solution:-

As we have to calculate the energy possess by motorbike which is running at uniform velocity. So we calculate Kinetic Energy Here.

As we know that Kinetic Energy is defined as the energy possess by body due to motion.

• KE = 1/2 mv²

where,

• KE denote Kinetic Energy
• m denote mass
• v denote velocity

Substitute the value we get

→ KE = 1/2×80 × 10²

→ KE = 1/2×80 × 100

→ KE = 40 × 100

→ KE = 4000 J

• Hence, the Energy Possessed by the Motorbike is 4000 Joules.

Answer 2

Answer:

Given :-

• Mass of bike = 80 kg
• velocity = 10 m/s

To Find :-

Energy possessed

SoluTion :-

Here we will find Kinetic energy of motorbike

$\huge \boxed{ \frak{KE \: = \frac{1}{2} \times {mv}^{2} }}$

Here,

KE is the Kinetic energy

M is the Mass

V is the Velocity

$\sf \implies KE \: = \dfrac{1}{2} \times 80 \times 10$

$\sf \implies KE = \dfrac{80 \times 10}{2}$

$\sf \implies KE \: = \cancel \dfrac{800}{2}$

$\frak \pink{KE \: = 400 J}$

Hence :-

Energy possessed by Motorbike is 400 Joules or 4 Kilojoule