A 1-kg model airplane has 12.5 joules of kinetic energy and 98 joules of gravitational potential energy. What is its speed? What is its height?
1 Answer
Jan 10, 2018
speed:
height:
Explanation:
kinetic energy =
since speed does not specify direction as velocity does, we can take the value of
gravitational potential energy = mass * gravitational field strength * height
assuming the airplane is flying above Earth, the gravitational field strength is