3. A boy with a mass of 30 kg is ice skating at a speed of 2m/s. What type of energy is he using and what are the joules?

60 joules

Explanation:

.

due to motion the boy possess kinetic energy

so,

=》

=》

=》

hence the energy he is using is 60 joules

i am going to put the answers in order i dint feel like typing it out so yeah

a

d

c

b

b

b

a

d

a

b

c

c

c

b

d