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In a local bar, a customer slides an empty beer mug on the counter for a refill. The bartender is momentarily distracted and does not see the mug, which slides off the counter and strikes the floor 1.4 m from the base of the counter. If the height of the counter is 0.86 m,
(A) with what velocity did the mug leave the counter, and
(B) what was the direction of the mug's velocity just before it hit the floor?
On average, an electric water heater operates for 2.3 h each day. what is the cost of operating the heater
A heat engine using a diatomic ideal gas goes through the following closed cycle, What is the thermal efficiency of this heat engine
A series RC circuit, which is made from a battery, a switch, a resistor, and a 4.0-µF capacitor, has a time constant of 8.0 ms. what is the resulting time constant
A marble is thrown horizontally with a speed of 19.0 m/s from the top of building. When it strikes the ground, marble has a velocity that makes an angle 75° with the horizontal. From what height above the ground was the marble thrown.
A jet flying at 128 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
An oversimpliefied model of the hydrogen atom has the electron orbiting the nucleus's proton at a distance of approximately 5.29x10^-11 m. how much force is needed to keep the electron in a circular orbit
A 3.90-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the total energy of the oscillating system
A vertical solid steel post of diameter d = 24cm and length L = 2.10m is required to support a load of mass m = 8200kg. What is the strain in the post
A Toyota Prius driving north at 61 and a VW Passat driving south at 42 are on the same road heading toward each other.
A particle with a charge of -1.5uC and a mass of 2.5x10-6 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 42 m/s. The only force acting on the particle is the electric force. (a) Which point is at..
A 77.0-? resistor is connected in series with a 32.0-µF capacitor and a source whose maximum voltage is 123 V, operating at 60.0 Hz. Find the capacitive reactance of the circuit
A flywheel is rotating initially with an angular velocity of 3.0 rad/s clockwise. Sometime later it is rotating with an angular velocity of 8.0 rad/s counterclockwise. What is the direction of the angular acceleration
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