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During a particular thunderstorm, the electric potential between acloud and the ground is Vcloud -Vground = 2.2 x 108 V, with thecloud being at the higher potential. What is the change in anelectron's potential energy when the electron moves from the groundto the cloud?
A 3000kg space vehicle, initially at rest, falls vertically from a height of 3100km above the Earth's surface. Determine how much work is done by the force of gravity
A piano wire with mass 2.85 g and length 82.0 cm is stretched with a tension of 35.0 N. A wave with frequency 120 Hz and amplitude 1.40 mm travels along the wire. Calculate the average power carried by the wave. What happens to the average power if t..
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of R = 1.30m and a mass of 73.0kg. find the maximum kinetic energy that can be stored in the flywheel
A Capacitor and resistor are connected in series forming an RC circuit. If the resistance in the circuit is set at 700 OHMS, What amount of the charge is on the capacitor
A stunt man drives a car at a speed of 20 m/s off a 27-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20?. How far from the base of the cliff does the car land
The compressor of an air conditioner draws an electric current of 21.2 A when it starts up. If the start-up time is 1.75 s long, then how much electric charge passes through the circuit during this period?
A cannon fires a cannon ball at 853.59 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
In general, for a concave mirror with a focal length +f, how far should an object be placed from the mirror to form a real image which is neither enlarged nor reduced(enter your answer as a multiple of f)?
A sports car accelerates in third gear from 48 km/h to 83.5 km/h in 3.7 s. What is the average acceleration of the car
Light of 546 nm wavelength is incident on a cesium surface that has a work function of 1.91 eV. find the threshold wavelength
The plates of a parallel-plate capacitor each have an area of 0.1 m2 and are separated by a 0.6 mm thick layer of paper. The capacitor is connected to a 13 V battery. (The dielectric constant for paper is 4.)
A train moving at a constant speed of 58.0 km/h moves east for 32.0 min, then in a direction 46.0° east of due north for 24.0 min, and then west for 63.0 min. What is the average velocity of the train during this run?
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