A 1.8 kg ball experiences two forces simultaneously as shown. If the Net Force acting on the ball is 80.5 N at an angle of 75.6°N of E, what is the magnitude of
the unknown force, F?
158N
20N
2.5N
112N

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation