A 1.5m wire carries a 3 A current when a potential difference of 71 V is applied. What is the resistance of the wire?

What is the potential energy of a 900 kg rock positioned on a cliff 30 m above the ground?

What would happen to the moon of earth stopped exerting the force of gravity on it?

If solar radiation is 1130 w/m2, how many photons strike the leaf every second? assume three significant figures and an average wavelength of 504 nm for solar radiation. answers

According to the navigation rules, which must be aboard a 22-foot powerboat

a heavy person and a light person parachute together and wear the same size parachutes assuming they open their parachutes at the same time, which person reaches the ground first?

What is the current in a 10v circuit if the resistance is 20Ohm?

A motorist is traveling at 20 m/s. He is 60 m from a stoplight when he sees it turn yellow. Is reaction time, before stepping on the brake, is 0.50 s. What steady acceleration (slowing down) while braking will bring him to a stop right at the light?

Radio waves can be sent directly through the earth.

You carry a 7.0 kg bag of groceries 1.2 m above the ground at constant velocity across a 6.8 m room. How much work do you do on the bag in the process? A) 396J B) 466J C) 0.0J D) 82J

The atomic mass of potassium is 39. if its atomic number is 9, it has how many neutrons within each potassium atom?