A bulldozer does 45,000 joules of work to push a boulder a distance of 30 meters.

How much force is applied to push the?

An AC generator has 80 rectangular loops on its armature. Each loop is 12 cm long and 8 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.

Which of the following terms describe the shape of the planets' orbit around the sun? Elipse Circle Irregular Unkown

Why is it easier to read black text on a white background than to read green text or text of any light color?

a canary sits 10 m from the edge of a 30-m-long clothesline, and a grackle sits 5 m from the other end. The rope is pulled by two poles that each exerts a 200-N force on it. The mass per unit length is 0.10 kg/m.

What measures the mount of displacement in a longitudinal esbelta?

How much power is expended if you lift a 60 n crate 10 meters in 1 second? a. 0 w b. 6 w c. 10 w d. 60 w e. 600 w?

In the Copper Plating Solution lab, you placed copper (Cu) pennies in vinegar. Vinegar is a weak acid with hydrogen ions (H+). When you put the pennies in the vinegar, you should have observed small gas bubbles.

Gravity decreases with distance. Which statement is also true? Orbital speed increases with distance. Orbital speed decreases with distance. Orbital speed remains constant with distance. Orbital speed varies based on the functions of friction.

Suppose the time taken for light to bounce to and fro between the parallel mirrors of a light clock is 1 second, in the frame of reference of the light clock.

Why does the modern model use an electron cloud?