A .4 kg mass moves up 40 cm along an incline. The vertical height of the incline is 7.0 cm. The potential energy change is??
I used the formula for PEC. 1/2k(deltaX)^2 which got me to 320 joules. That is wrong though. What am i doing wrong?
If a force of .85N pulled parallel up along...
A flywheel has a constant angular deceleration of 2.5 rad/sec^2. I need to ...
1. find the angle through which the flywheel turns as it comes to rest from an angular speed of 117 rad/sec.
2. Find the time required for the flywheel to come to rest.
So i used the formula...
Hi, I have a few questions, thanks for any help you can give!
1. If a wheel is rotating at a rate of 3.1 revolutions every 3.6 seconds. Through what angle, in radians, does the wheel rotate in 1 second??
2. A car can negotiate an unbanked curve safely at a certain maximum speed when the...
Hi, I have 2 questions...
1. If a carnival swing is fixed on the end of an 8.1-m-long beam. The swing and beam sweep through an angle of 120 degrees. How do i find the distance through which the riders move?
2. A car is safely negotiating an unbanked circular turn at a speed of 34...