PROJECTILE PROBLEMS 2
Chris throws a rock at 21 m/s into the air at 40. above the horizontal. How long is the rock in the air?
What is the maximum height for the rock that Chris threw?
How far away from Chris did the rock land?
Nicole throws a ball a
FUN WITH INCLINED PLANES
1) A 23.4kg objects is on a frictionless inclined plane with an angle of 30.0.
A) Calculate force weight.
B) Calculate force normal.
C) Calculate force parallel.
D) Calculate the acceleration.
2) A 466N object is at the top o
MAY THE BALANCING FORCE BE WITH YOU
With each of the following pairs of forces, calculate the force needed to end up with a net force of zero.
With the calculation give the magnitude and direction of the balancing force.
After the calculati
WORK & POWER PROBLEMS ANSWERS
Ralph uses a 2.00x103N force to push his car along a road for 1.00x103m. It takes him
5.00x102s to do this.
A) Calculate the amount of work that Ralph did on the car.
W = Fd = 2.00x103N * 1.00x103m = 2.00x106J
B) Calculate th
PROJECTILE PROBLEMS 1
Tom kicks a rock horizontally off of a 20.0m high cliff. How fast did he kick the rock if it hits the ground
45.0m from the base of the cliff?
Erica throws a ball out of a window with a horizontal speed of 3.80m/s. If the ball h