You raise a bucket of water from the bottom of a deep well. if your power output is 138 w, and the mass of the bucket and the water in it is 4.00 kg, with what speed can you raise the bucket? ignore the weight of the rope.

Compared to the sound of a car horn, the sound of a bird chirping has

According to Faraday's law, voltage can be changed by moving magnets away from the coil of wire. True False

The wave function for a traveling wave on a taut string is (in si units) y (x, t) = 0.340 sin 15πt - 4πx + π 4 (a) what are the speed and direction of travel of the wave? g

The cause of a fire in a computer is described as an incorrectly wired circuit. Which statement best explains the likely cause of the fire? The wiring contained a short circuit, so the reduced resistance caused an increase in current.

A 4,000-kilogram truck travels in a straight line at 10.0 m/sec. What is its momentum?

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth's center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.

An LC circuit has a 6.00 mH inductor. The current has its maximum value of 0.570 A at t = 0s. A short time later the capacitor reaches its maximum potential difference of 66.0 V. What is the value of the capacitance?

The first law of thermodynamics states that ΔE = Q - W. Is this also a statement of the principle of conservation of energy? Yes, the heat added and the change in internal energy of the gas equal the work done by the piston.