Question

a bike with a mass of 1500 kg is travelling at 15 metre per second .what is kinetic energy of the bike ?​

Answer 1

Explanation:

mass of the bike=1500 kg

mass of the bike=1500 kgvelocity of the bike=15 m/s

kinetic energy

$= \frac{1}{2} m \times {v}^{2}$

K.E=1/2×1500×15

=750×15

=11250 J

hope my answer will be satisfied to you....

Answer 2

Answer: 168750 J

Explanation:

Here's the working:

m = 1500 kg

v = 15 m/s

KE = (1/2mv^2) J [also can be written as 1/2 x m x v^2]

= (1/2 x 1500 x 15^2) J

= (1/2 x 1500 x 225) J [15 squared is 225]

= (750 x 225) J [1500/2 is 750]

= 168750 J

Also, side note: a common error here is to not square out the velocity, always remember to do that.