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A 7.0 gram bullet is fired into a 1.5 kilogram ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12.5centimeter. Evaluate what the initial speed of the bullet.
m/s
A lamp (R = 146 omegacap.gif), an electric heater (R = 25 omegacap.gif), and a fan (R = 51 omegacap.gif) are connected in parallel across a 115 V line. What power is expended in the heater
The block is acted upon by its weight w=200lb, a horizontal force Q=600 lb and pressure P exerted by the inclined plane. The resultant R of these forces is up and parallel to the incline there by sliding the block up it. Establish P and R.
A simple harmonic oscillator takes 26 seconds to undergo 22 complete oscillations. What is the period of the oscillator
Three forces in the x-y plane act on a 5.80 kg mass: 15.30 N directed at 59o, 12.20 N directed at 170o, Calculate the direction of the resultant force using the same sign convention as above
a block of mass 4kg is suspended from a spring with spring constant 500nm. a bullet weighing 50.0 g is fired into the
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, Thus, the membrane is a kind of capacitor, what is its capacitance
Two identical 1500 kg cars are moving perpendicular to eachother. what is the toal momentum of the system
Two cars approaching each other collide and stick together after the collision. What was the initial velocity of the second car
On a frictionless horizontal surface, a 1.50 kg mass travelingat 3.50 m/s collides with and sticks to a 3.00 kg mass that isinitially at rest. How much mechanical energy is lost during this process
suppose that you wish to fabricate a uniform wire out of 0.800 g of copper. assume the wire has a resistance r 0.300
If 3.00multiplied by10-3kg of gold is deposited on the negative electrode of an electrolytic cell in a period of2.73h, what is the current in the cell during that period
two infinite nonconducting uniformly charged flat surfaces are mutually perpendicular. one of the surfaces has a charge
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