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A capacitor is connected to an ac generator that has a frequency of3.7 kHz and produces a voltage of1.9 V. The current in the capacitor is 32 mA. When the same capacitor is connected to a second ac generator that has a frequency of 4.9 kHz, the current in the capacitor is 82 mA. What voltage does the second generator produce?
V
A 5.01E+4 kg space probe is traveling at a speed of 12600 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed, What is the final speed of the probe?
Then, calculate the exact number of protons and express the answer in scientific notation with the correct number of significant digits.
Two point charges are located as shown in the figure, with charge q1 = +3.5 C at x = ?3.0 m, y = 0, How much work must be done on the electron to move it to the origin
a park ranger wanted to measure the height of a tall tree. The ranger stood 9.50 m from the base of the tree, What is the height of the tree
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to the walls of the room. find the temperature of the outer surface of the clothes
The pressure at the bottom of a tube is 1500 Pa. Petroleum (d=800 kg/m cubic) floats on 10 cm of water (d=1000 kg/m cubic). What is the depth of the layer of petroleum
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 4 Ohms
From the top of a 70m building, you throw a ball straight up at 6m/s. The ball misses the building on the way down. what is the maximum height of the ball
A 3.1 kg dog stands on a 15.00 kg flatboat at distance D = 6.1 m from the shore. It walks 2.00 m along the boat toward shore and then stops. Assume no friction between the boat and the water, find how far the dog is then from the shore.
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. What is the change in length of the nail
a 40 g block of of ice is cooled to -72 C and then is added to 650 g of water in an 80 g copper calorimeter at a temperature of 24C, determine the final temperature of the system consisting of the ice
A converging lens has a focal length of f = 22.0 cm. An object is placed 41.0 cm from the lens. Find the size of the image in cm if the object has a height of 4 cm. express answer with one decimal place.
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