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a) What is the magnitude of the gravitational force that the Earth exerts on the moon?
b) What is the magnitude of the gravitational force that the Moon exerts on the Earth?
A person blows into a rubber tube connected to one arm of a manometer containing glycerin of relative density 1.260. what is the gauge pressure of the air in the person's lungs
A square loop of wire surrounds a solenoid. The side of the square is 0.1 m, while the radius of the solenoid is 0.025 m. The square loop has a resistance of 30 W. The solenoid has 500 turns and is 0.3 m long. The current in the solenoid is increa..
suppose that a ferrari and a porsche begin a race with a moving start and each moves with constant speed. one lap of
A 57.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 1.40m, what is the diameter of the football players' piston
A bullet of mass 4.5 gram strikes a ballistic pendulum of mass 4.4 kilogram. calculate what the bullet initial speed
A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 18.0 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the gree..
The EV-1 electric car made use of storage batteries as its sourceof energy. The car is powered by 26 batteries, each 12V, 52Ah(amp-hours). determine the hors power required
A straight wire in a magnetic field experiences a force of 0.030 N when the current in the wire is 2.7 A. What is the new current
A bolt on an engine is to be tightened with a maximum torque of 75 Nm. If a wrench has a length of 0.30 m, what is the maximum force perpendicular to the length that should be used to tighten the bolt?
You need to produce a solenoid that has an inductance of 2.55 ?H . You construct the solenoid by uniformly winding 1.07 m of thin wire around a tube. How long, in centimeters, should the tube be
A student wants to determine the coefficients of static frictionand kinetic friction between a box and a plank. What is the coefficient of kinetic friction
a copper alloy has a young's modulus of 1.3 *10^11 Pa and density of 9.40 * 10^3 Kg/m^3. what is the speed of sound in a thin rod made from alloy
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