M Question 7: A circUS clown m = 38 kg) is launched up out of a cannon with an initial
speed of 7.2 m/s from a platform 17.0 m above the net the clown will fall into. (20 pts)
a) Calculate the total energy of the clown immediately after launch.
clown.
b) Use the Law of Conservation of Energy to calculate the maximum height of the
C) Use the Law of Conservation of Energy to calculate the speed of the clown right
before he lands on the net.

If forces acting on an object are unbalanced. true or false

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.