You throw a ball upward from a window at a speed of 1.5 m/s. how fast will it be moving when it hits the sidewalk 2.6 m below?

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge