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During a lightning flash, there exists a potential difference of Vcloud - Vground = 1.6 x 109 V between a cloud and the ground. As a result, a charge of -15 C is transferred from the ground to the cloud.(a) How much work Wground–cloud is done on the charge by the electric force?(b) If the work done by the electric force were used to accelerate a 1100-kg automobile from rest, what would be its final speed?(c) If the work done by the electric force were converted into heat, how many kilograms of water at 0 °C could be heated to 100 °C?
You want to practice zero g, i.e. not feeling any gravity. What velocity (ft/s) is required to cancel gravity at the top of the circle
The gauge pressure at the bottom of a reservoir is 5.0 times what it is at a depth of 1.8 m. How deep is the reservoir
The specific heat of a 98 g block of material is to be determined. The block is placed in a 25 g copper calorimeter that also holds 60 g of water. Determine the specific heat of the block
A38.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of20.0m. What force does the seat exert on the child at the highest point of the ride
As you bounce a tennis ball of mass 7.70 10-2 kg off a wall, its velocity changes from vx = 10.8 m/s to vx = -8.3 m/s. Find the impulse applied to the ball
On a hiking trip, you are walking through a canyon with vertical walls and are closer to one wall than the other. find the width of the canyon
A diver of mass 60kg, on entering the water with an initial velocity of 14.87ms-1, experienced a force of resistance due to the opposing motion of magnitude of 180v Newtons, Calculate the maximum depth, in metres the diver will submerge
A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 841 N. What is the acceleration of the elevator
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
A 1 cm3 air bubble at a depth of 209 meters and at a temperature of 4 oC rises to the surface of the lake where the temperature is 18 oC, what is its new volume
A large cylindrical water tank of diameter od D=3.00 m. What is the flow speed of the water when it comes out from the hole
A 5.6 box is on a frictionless 44 slope and is connected via a massless string over a massless,What is the tension in the string once the box begins to move
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