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Here's a basketball problem: A 80.0 kg basketball player is running in the positive direction at 7.0 m/s. She is met head-on by a 107.4 kg player traveling at 5.5 m/s toward her. If the 107.4 kg player is knocked backwards at 2.4 m/s, what is the resulting velocity of the 80.0 kg player?
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
The amplitude of the voltage across an inductor can be greater than the amplitude of the generator emf in an RLC circuit. Consider an RLC circuit with Epeak = 50 V, R = 14, L = 1.05 H, and C = 1.12 µ F. Find out the amplitude of the voltage across th..
Find out how far from the center of the earth this location is. The mass of the earth is 5.98x10^24 kg. The mass of the moon is 7.35x10^22kg. The mean distance between the moon and the earth is 3.85x10^8 m
The power required by an ice maker is 225 W and is the rate at which it does work. The ice maker operates like a refrigerator or an air conditioner and has a coefficient of performance of 3.60.
The period of a pendulum is proportional to the square root of its length. A 2.5 m long pendulum has a period of 3.0s
A block of ice of mass 0.4 kg and initial temperature T = 0 oC is placed in a sealed insulated container full of Helium gas, What is the mass of the liquid water
In order to measure the radial velocity of a star (the speed of motion towards or away from us) what type of instrument would be used and how would the data be used to derive the velocity?
What is the capacitance of this capacitor. Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.5.
a solid aluminum ingot weighs 89n in the air. the ignot is suspended from a rope and totally immersed inn water. what is the tension in the rope
A cylindrical permanent magnet has a volume of 202 cm3 and a uniform magnetization of 1.0 106 A/m along its axis. Find the magnetic torque exerted on the magnet
A 2 kg gun imparts a speed of 500 m/s to a 25 g bullet. what average force is exerted on the shooter's shoulder
what is the thermal kinetic energy in 1kg of oxygen gas at 20 degrees celsius? What fraction of this energy is translational
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