if a brick of mass 3 kg falls from the top of a wall of height 1 m, the kinetic energy of the object when it touches the ground would be

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

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