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A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 55° with the normal to the wall. Each molecule in the beam has a speed of 1.0 km/s and a mass of 3.3x10^-24g. The beam strikes the wall over an area of 2.0 cm^2, at the rate of 1023 molecules per second. What is the beam's pressure on the wall?
In a series L-R-C circuit, the components have the following values: = 21.5 , = 165 , and = 400 . The generator has an rms voltage of 120 and a frequency of 1.25 .Determine the average power supplied by the generator. Determine the average power diss..
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a highest of 90cm, what was the speed of the bullet at impact with the block.
Multiple-Concept Example 13 presents useful background for this problem. determine the average power developed by the cheetah
A 310kg wooden raft floats on a lake. When a 75kg man stands on the raft, it sinks 3.20cm deeper into the water. When he steps off, the raft vibrates for a while.
write a two to three page paper in which you1.provide at least three reasons for believing in the accuracy or
A 45.3-cm diameter disk rotates with a constant angular acceleration of 2.20 rad/s2. It starts from rest at t = 0, Find the linear velocity and tangential acceleration of P at t = 2.30 s
A simple pendulum is made of a small blob of mass m = 7.000 kg attached to the end of an inextensible wire. The angular amplitude of oscillation is ?0 = 7.162°. What is the magnitude of the tension in the wire when the blob is directly below its poin..
A car of mass M = 1100 kg traveling at 45 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
A 100 gram iron block that has been heated to 200 degrees Celsius, What is the final temperature of the system
Potassium chloride is a crystal with lattice spacing of 0.314nm. The first peak for the bragg diffraction is observed to be at 15.0 degree. What energy x-rays were used in this diffraction measurement? What other order peaks can be observe (i.e ha..
An automobile has a mass of 1500 kg, and its aluminum brakes have an overall mass of 6.00 kg. (a) Assume all the mechanical energy that transforms into internal energy when the car stops is deposited in the brakes and no energy is transferred out of ..
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