URGENT: Finding Mechanical Energy, Velocity, and Height
Homework Statement
http://www.mrfizix.com/home/energy_files/image051.gifHomework Equations
E0=EF
PE=mgh
KE=(1/2)mv2
The Attempt at a Solution
I understand how to get the potential and kinetic energy values but I'm confused as to how to...
Homework Statement
A ball is dropped from a height of 39.0m. The wind is blowing horizontally and imparts a constant acceleration of 1.20 m/s^2 to the ball.
a. Show that the path of the ball is a straight line and find the values of R and θ (R is the distance on the x-axis from the ball's...
Homework Statement
An object is hung from a spring scale attached to the ceiling of an elevator. The scale reads 65 N when the elevator is standing still. What is the reading of the scale when the elevator is moving upward with a speed of 7.6 m/s and decelerating at 2.4 m/s^2?
Homework...