Homework Statement
A meteor is moving at a speed of 20000mi/hr reltiave to the centre of the Earth when it is 350 mi from the surface of the earth. At that time, the meteor has a radial velocity component of 4000 mi/hr toward the center of the earth. How close does it come to the Earth's...
Homework Statement
Given the above diagram and that the arm R swings at a constant angular velocity theta dot (dtheta/dt), we are to solve for the velocity of the pin and the acceleration of the pin.
Homework Equations
h= (theta dot)*r^2
dtheta/dt = v
v= (theta dot) * dr/dtThe Attempt at a...