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A car needs to generate 75.0 hp in order to maintain a constant velocity of 21.8 m/s on a flat road. What is the magnitude of the total resistive force acting on the car (due to friction, air resistance, etc.)? (1 hp = 746 W).
A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, Find the amount by which the length of the stack decreases
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
Elucidate how academic research has influenced the development of accounting theories and the need for accounting information.
At the moment of ignition the mass of a rocket is 100 kg. For the first 10 s it burns fuel at the rate of 5 kg/s. find The magnitude of the force developed by its engine
Assume that the total energy E of an electron greatly exceeds its rest energy. If a photon has a wavelength equal to the de Broglie wavelength of the electron, what is the photon's energy
A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. What are the original speeds ofthe father
Determine the magnitude of force F in cable AB in order to produce a moment of 500 ft lbs about the hinged axis CD
Two masses are placed on an airtrack and given initial velocities towards each other. Calculate the impulse acting on mass one during the collision
The new EV-1 electric car makes use of storage batteries as its source of energy. Its mass is 1580 kg and it is powered by 29 batteries, Determine the horsepower required for the motor
A very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 C of charge. A proton is released from rest just outside the surface.
q1. there is a well-known legend about physicist isaac newton. it says that he was inspired into his improvement of the
A bomb, initially at rest, explodes into three fragments that move as shown. What is the mass, m, of each of the lower two fragments in kg
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