A cannon shoots a cannonball with speed 42m/s at angle 30° to the horizontal from a 50 meter height castle. What is maximum horizontal distance the ball travels, in meters? Neglect air resistance, g= 9.8m/s2

What is the frequency if a wave that pases a given pount 22 times in 2 seconds

Substances that assume the shape of their container, but do not have a definite size are called

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?