Homework Statement
You have a pair of inclined planes such that a block that slides down one can slide up
the other without losing any energy in the transition. The inclined planes are both at an
angle θ from the horizontal, as shown in the diagram. The inclined plane on the left is...
Homework Statement
At takeoff, a commercial jet has a speed of 60.0 m/s. Its tires have a diameter of
0.850 m.
(a) At how many rpm are the tires rotating?
(b) What is the centripetal acceleration at the edge of the tire?
(c) With what force must a determined 10-15 kg bacterium cling...
Homework Statement
A flea jumps by exerting a force of 1.20x10-5 N straight down on the ground. A
breeze blowing on the flea parallel to the ground exerts a force of 0.500x10-6 N on the
flea. Find the direction and magnitude of the acceleration of the flea if its mass is
6.00x10-7...