It is transferred by direct contact, say you touched it, you would feel the heat
Acceleration = v-u/t
= (45-30)/15
= 1 km/h
Distance = ut + 1/2 at^2
s = [30 x 15] + 1/2 x 1 x 15^2
= 562.5 km
Hope this helps
they are miles per hour(mph),kilometers per hour(km/h),meters per second(m/s)
