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Which one of the following terms is used to indicate the natural tendency of an object to remainat rest or in motion at a constant speed along a straight line?
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 80.5 kg and a radius R = 0.625..
a football is kicked straight up into the air it hits the ground 5.4s later.what was the greatest height reached by the
An electron is moving at a speed of 1.2 x104 m/s in a circular path of radius r = 1.8 cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron’s path. Discover the magnitude of the magnetic field inside t..
A 50,000 kilogram space shuttle is in a 500 kilometer high circular orbit about the earth and wants to descend into a 300 kilometer high orbit. Obtain how much total energy will it have to gain or lose to do this
A flat (unbanked) curve on a highway has a radius of 220 m. A car rounds the curve at a speed of 18.0m/s. What is the minimum coefficient of friction that will prevent sliding
Copper has an electrical resistivity %u03C1 = 1.72 x 10-8 %u2126m. What is the electrical resistance of a copper wire
The second orbit for the only electron in a He+ ion has a radius of 5.29 X 10^-11 m. What is the speed of an electron in that orbit
A tennis player tosses a tennis ball straight up and then catches it after 1.48 s at the same height as the point of release. What is the acceleration of the ball while it is in flight
A standing wave pattern on a string is described
A ceiling fan with 60 centimeter diameter blades is turning at 65 rpm. Determine through how many revolutions does that fan turn while stopping
Name a statistical method of analysis for which principal components may be a first stage. Explain.
An object is dropped from rest from a height 3.2 × 10^6 mabove the surface of the earth. If there is no air resistance, whatis its speed when it strikes the earth? The acceleration of gravityis 9.81 m/s2 and the radius of the Earth is 6.37 × 10^6m.
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