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An archer shoots an arrow toward a 300g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 37.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target. The answer to this question is not 4.91.
An artificial earth satellite has a circular orbit of radius 5.91 106 m (which means it is orbiting approximately -450 km above the surface of the earth) in an equatorial plane. Find the satellite's instantaneous acceleration at time t. Magnitude? ..
Describe two ways that the resonant circuit(s) in a radio are useful in helping to receive the broadcast from a single radio station. I know one of them is Electrical resonance of tuned circuits in radios allow individual stations to be selected.
question1a hot-air balloon is downward at a rate of 2.4 when a passenger drops a camera. if a camera is 48 above the
A 0.100 kg meterstick is supported at its 40 cm mark by a string attached to the ceiling. A 0.700 kg mass hangs vertically from the 5 cm mark.
You are researching personal watercraft (PWC) safety. These vehicles have a well known safety issue in which the rider loses stearing control when there is no thrust from the engine.
A 20·kg fish swimming 1·m/s swallows a smaller 10·kg fish swimming toward it at a speed that brings both fish to a halt immediately after lunch. what is the velocity of the smaller fish just before lunch
The nucleus of an atom has a radius of about 7.9Ã-10-15 m. The electron is normally at a distance of about 3.4Ã-10-11 m from the nucleus, Find the volume of the nucleus
Two parallel plates have a capacitance of 1.0 µF when they are 1.0 mm apart. The plates are then fully charged by a 9.0 V battery, What is the constant electric field strength between the plates
A man lifts a 2.7-kg stone vertically with his hand at a constant upward acceleration of 1.7 m/s2. What is the magnitude of the total force of the stone on the man's hand
A 2.96 mA beam of electrons moving at 2.09x106 m/s enters a region with a sharply defined boundary, Find the transmitted and reflected currents
Hair dryer draws a current of 9.2a. How long does it take 1.9*10^3 C of charge pass through? How many electrons does this represent.
In a particular power plant, the fuel rods last 2 years before they are replaced. If a plant with rated thermal power 1.00 GW operates at 76.0% capacity, what is the loss of mass the fuel?
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