A block slides down on a plane inclined at an angle of 53o above the horizontal with acceleration of 5m/s2. What is the coefficient of sliding friction between the block and the plane? A) 0.4
B) 0.3
C) 0.5
D) 0.5

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.

What is the specific heat of wood ?