Aball is thrown with an initial speed of 10. meters per second. at what angle above the horizontal should the ball be thrown to reach the greatest height?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Current from a charged capacitor lights a bulb. as time goes on the brightness of the