what are the energy changes when a car rolls from the top of a hill to the bottom? Name two forces that would slow the acceleration of the car?
At first as the car is on the top of the hill, it has GRAVITATIONAL POTENTIAL ENERGY
As the car rolls down the hill, GRAVITATIONAL POTENTIAL ENERGY changes to KINETIC ENERGY.
Friction and Air resistance
SW
Related Physics GCSE answers
All answers ▸If Jessica weighs 45kg and sits on a seesaw at a distance of 2m from the centre of the seesaw.Micheal weighs 90kg. At what point on the opposite side should Micheal sit in order to balance the seesaw.
A kettle boils 0.6kg of water. After some time the temperature of the water has decreased to 83 degrees. The specific heat capacity of water is 4200J/kg. Calculate the energy transferred to the surroundings.
What is the difference between velocity and speed?
A car is travelling at 10m/s. It then accelerates at a constant rate.Find the time taken for the car to travel 1km if the car’s final velocity is then 22m/s .