How much net force is required to accelerate a 50.00kg mass at 4.00 m/s^2

A car travels due east with a speed of 38.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 72.0° with the vertical.

The height of a wave from the equilibrium is 1 meter. Which parameter of the wave does this distance represent

Which statement about a wave produced by a doorbell is true?

A 4kg vase sits on a shelf at a height of 1.2m. how much gravitational potential energy is added to the vase when it is lifted to a shelf of height 1.4m?

Which best describes the materials that make up an electrical cord? 1. a metallic conductor lacking free electrons surrounded by a rubber insulator with free electrons 2.

At the beach, describe where or when you would see wave fronts. How are wave fronts useful to surfers?

How would the moon appear from earth if the moon did not rotate?

Block B has mass 4.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass 2.00 kg and sits at rest on top of block B. The coefficient of static friction between the two blocks is 0.400.

T=2π√ (l/g) is dimensionally correct

A penny falls from a windowsill which is 25.0 m above the sidewalk. How much time does a passerby on the sidewalk below have to move out of the way before the penny hits the ground?