Ashot fired from a gun with a muzzle speed of 1200 feet per second is to hit a target 3000 feet away. determine the minimum angle of elevation of the gun.

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.

Which of the following best describes the circuit shown below?

The smallest particle of an element that retains its identity in a chemical reaction. true or false