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As a space shuttle moves through the dilute ionized gas of Earth's ionosphere, the shuttle's potential is typically changed by -2.9 V during one revolution. By assuming that the shuttle is a sphere of radius 13 m, estimate the amount of charge it collects.
Years ago, a block of ice with a mass of about 20 kg was used daily in a home icebox. how much heat did a block of ice that size absorb
A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular orbit with a period of 1.667 h. Calculate the magnitude of the earth's gravitational force on the satellite
a ships anchor chain is wrapped around a hollow steel drum of mass m 500 kg and radius r 0.5m. the drum is located on
Students hypothesized that by running the electric current through the wire of the apparatus shown here, they could cause the non-magnetic nail to exhibit magnetic properties. What would be a reasonable way to test this.
If a toaster is plugged into a source of alternating voltage with an rms value of 67 V, an rms current of 3.06 A occurs in the heating element. What is the average power input to the toaster
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round
An object with a charge of 0.920 µC is placed at the center of a regular tetrahedron with 4 equivalent surfaces. What is the electric flux through one surface of the tetrahedron?
A force of 7 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length.
A 1.15 K? resistor and a 505 mH inductor are connected in series to a 1250 Hz generator with an rms voltage of 14.2 V. What is the rms current in the circuit
A tortoise can run with a speed of 0.11 m/s, and a hare can run 20 times as fast. In a race, determine How long does the race take
An unstable particle with a mass equal to 3.34*10-27 kg is initially at rest. Find the masses of the fragments
derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature
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