Answer:
I don't really understand the question but fire water air and like earth but you said 3
Explanation:
answer
v = 4.2
set up an equation
we can use the formula for kinetic energy since we know mass and kinetic energy
K = 
v = 
values
K = 0.013 J
m = 1.5g = 0.0015 kg
plug in values
v = 
v = 4.2
Answer:
The speed of the bus is 40 km/hr so this means the bus is travelling at a speed of 40 km per hour.