I need help with these test questions! pt 1

Question 1(5 points] A 55 kg motorcyclist is flying through the air at 3'2 kah at the apex of the jump 3.3 m above the ground. Find his landing speed assuming energy is conserved. Add a File Ramon! Audio hoard Video Question 2 {5 points] What would happen to the potential energy, kinetic energy and total energy of a brick as it falls to earth. if dropped from a building? *r \fQuestion 3 {5 points] eI: Describeflist the formulas you would use to find the acceleration of a 10 lg cart that is pushed a distance of 10 m with 300 J of energy. Use GRASP to determine the formulas you would require 4? Question 4 {5 points] a 1What is the relationship between power and energy? Describe an example of where power {and efficiency] calculations are important in society. \"Ev Question 5 {'10 points] E-Il A 20.0 kg block is being pushed forward on a flat surface with a force of magnitude 45.0 N against a frictional force of 13.0 N. {a} Draw a freebody diagram of the block. {bi What is the net force acting on the block? {c} What is the change in kinetic energy after the force has pushed the block for 4.0 m? {d} How much work would it take to stop the block? Question 6 (5 points) =) Listen A 100 kg roller coaster is moving at 10 m/s while travelling 30 m above the ground. How fast will it be travelling when it reaches ground height? Paragraph BIUA EVEY + v Add a File Record Audio Record Video Question 7 (1 point) =) Listen A boy pushes on a car to slow it down while the car is rolling horizontally down the road. If the boy pushes backwards on the car with 10 N of force as the car rolls forward 3.0 m, the amount of work done by the boy is: OAJO O B) 300 J O C) 30 N.m O D) 3.3 J O E) -30 J