Question

a bullet of mass 10g is fired with velocity of 8 meter per second what is its kinetic energy​

Answer 1

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K.E. = 3.2J

Explanation:

Given,

Mass= 10gm=0.01kg

Velocity(v)=8 m/s

K.E. =?

We know,

K.E. = 1/2 mv²

= 1/2 × 0.1 × 8 × 8

= 3.2 J

Hope It's helpful ☺️!

Answer 2

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⟹ Given :-

Mass of bullet = 10g = 0.1 kg

Velocity = 8 m / s

⟹ To Find :-

Kinetic energy of bullet

⟹ As we know :-

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

⟹ Solution :-

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

$\frac{1}{2} \times 0.1 \times (8) {}^{2}$

$3.2$

⟹ Know More :-

Energy :- Energy is defined as ability to do work , energy is just the force that cause things to move.

Energy is if two types :- kinetic energy , potential energy .

Kinetic energy :- Energy posses by virtue of motion is known as kinetic energy

SI unit :- SI unit of kinetic energy is Joule ( J )

1 Joule = 1 N of force × 1 m of distance

Potential energy :- energy posses by a body due to its body , position or shape .

U = mgh

where ,

m = mass

g = gravitation

h = height

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⠀⠀⠀⠀⠀⠀⠀~ hαppч lєαrníng ~