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A man and a boy carry a canoe 5.80 m long and weighing 371 N. The canoe is held overhead in a horizontal position. The boy holds one end of the canoe. How far from the opposite end should the man stand so that the boy exerts a force of only 122 N?
A raindrop of mass 3.27 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance, What is the work done on the raindrop by air resistance
Two electrons are fixed 2.00 centimeters apart. Another electron is shot from infinity and comes to rest midway between the two fixed electrons. Find the initial speed of the electron
Two 3 cm long parallel wires in a handheld calculator are 1 mm apart. The currents are in the same direction and have values 0.5 µA and 2.2 µA, respectively
A particle with mass 2.30 g and charge +10.0 uC enters through a small hole in a metal plate with a speed of 8.50 m/s, How far will the particle travel, delta x, before it hits the plate
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. what is the mass of this canister
An object with mass m1 = 5.90 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a pulley, Find the magnitude of the acceleration of each object
The drawing shows three identical rods (A, B, and C) moving in different planes. Find the magnitude of the motional emf for the rods
Assume that you exhale the air at your body's temperature of 37 oC with relative humidity of 80%. Will you see your breath
Gas is confined in a tank at a pressure of 1.04E+6 Pa and a temperature of 14.4°C. what is the new pressure in the tank
A physics student drops a vibrating 450 Hz tuning fork down the elevator shaft of a tall building. how far has the tuning fork fallen
An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C), Calculate the acceleration of the alpha particle
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
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