Homework Statement
A radio receiver is set up on a mast in the middle of a calm lake to track the radio signal from a satellite orbiting the Earth. As the satellite rises above the horizon, the intensity of the signal varies periodically. The intensity is at a maximum when the satellite is 1...
Homework Statement
Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up?
Homework Equations
T=rFsinθ
F=mg
The Attempt at a Solution
I solved for torque of the fulcrum in a hypothetical situation where a mass of 1g is...
Homework Statement
A 2kg. lump of clay traveling at a speed of 20m/s collides with and sticks to a 5kg. lump of clay initially at rest and hanging from a string. Find the final speed of the new lump of clay. How high will the clay swing after the collision?
(initial)
m1=2kg.
v1=20m/s...