rock is thrown from the edge of the top of a 100-ft tall building at some unknown angle above the horizontal. The rock strikes the ground a horizontal distance of 160 ft from the base of the building 5.0 s after being thrown. Assume that the ground is level and that the side of the building is...
The problem states:
Waves broadcast by a 1152 kHz radio sta-
tion arrive at a home receiver by two paths.
One is a direct path, and the second is from
re°ection o® an airplane directly above the re-
ceiver. The airplane is approximately 137 m
above the receiver, and the direct distance...
cryptoguy,
I think I did what you suggested to do correctly...
To find I(net),
I1=I3=(M)(L²)
I2=I4=(2M)(L/2)²
--> I(net)= I1+I2+I3+I4
= 2[(M)(L²)] + 2[(2M)(L/2)²]
and then I plugged I(net) into the KE equation to solve for ω...I got 1.7.
Thank you!
Hi I am having trouble with a problem that involves angular velocity. The problem states:
The rigid object shown is rotated about an axis perpendicular to the paper and through point P. The total kinetic energy of the object as it rotates is equal to 1.4 J. If M = 1.3 kg and L = 0.50 m, what...