What is the kinetic energy of a car of mass 1200 kg travelling at 30 m/s?
Back
Card 7
Front
What is the unit of momentum?
Back
Card 8
Front
What is the momentum of a 2500 kg truck travelling at 20 m/s?
Back
Card 9
Front
Why is a gymnast less likely to injure herself is she lands on a thick foam mat gains 2 J of gravitational potential energy, calculate the height it is raised through.
Back
Card 10
Front
The electronic motor in the question above has a power of 1.5 W. Calculate the time taken to raise the load.
Back
Card 11
Front
A trolley of mass 0.2 kg travelling at 1.5 m/s to the right collides with a stationary trolley of mass 0.3 kg. After the collision they move off together. Calculate the velocity of the trolleys after the collision.
Back
Card 12
Front
A trolley of mass 0.2 kg travelling at 1.5 m/s to the right collides with a stationary trolley of mass 0.3 kg. After the collision they move off together. Calculate the velocity of the trolleys after the collision.
