BBell
This page lists questions and answers that were posted by visitors named BBell.
Questions
The following questions were asked by visitors named BBell.
A 170 g ball is dropped from a height of 2.4 m. It bounces on a hard floor and rebounds to a height of 1.7 m. The graph shows the impulse received by the ball from the floor. calculate the maximum force exerted on the ball by the floor. t=4
7 years ago
Let's model an airplane propeller as 4, 0.25 m long thin rods of mass 0.040 kg. Calculate the moment of inertia of the propeller assuming they each rotate about an axis at the end. Hint: Treat the blades as long uniform rods.
7 years ago
A can of juice rolls down a ramp with angle 80 degrees. If the slope were frictionless the can would slide down the incline without rolling. Calculate the minimum coefficient of static friction needed for the can to roll down the incline. Model the can as...
7 years ago
A 28 g block sits at the center of a turntable that rotates at 60 rpm. A compressed spring shoots the block radially outward from the center along a frictionless groove in the surface of the turntable. Calculate the turntable's angular speed when the bloc...
7 years ago
Answers
The following answers were posted by visitors named BBell.