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1. A moon of a certain planet has an orbital radius of 1.3 x 10^8 m and an orbital period of 5.2 x 10^5 s. If a satellite is in an orbit with a radius of 7.9 x 10^7 about the same planet, what will its orbital period be?
2. The average distance between the electron and the proton in a hydrogen atom is 5.30 x 10^-11 m. Relative to zero at infinity, what is the electrical potential due to the proton at this distance?
A space station in the forf of a large wheel, 129m in diameter, rotates to provide an "artificial gravity" of 6.10 m/s^2 for people located at the outer rim.
A 79 kg pole-vaulter falls from rest from a height of 4.6 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.30 s after landing on the pad. compute the athlete's velocity just before reaching the pad.
An iron bolt of mass 60.0 g hangs from a string 33.1 cm long. The top end of string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 27.0 cm to the right from the previously vertical l..
A standing wave is created on a string of length 1.0 m and fixed at both ends. What is the wavelength of the third harmonic
A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. What is the flux that passes through the circular loop
the potential of a typical storm cloud can be as high as 109 volts. when lightning is produced a typical lightning
Dip our finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m Determine the frequency period and speed of these water waves
An object of mass 50.5 g is initially placed in boiling water so that it is at 101° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
Illustrates four hypothetical collisions that take place on a level, frictionless surface. The collisions are shown from a top-view perspective - Specify the direction of the linear momentum of the rod-puck(s) system, both before and after the coll..
In 1.8 µs, an electronmoves 23 cm in the direction ofa 0.22 T magnetic field. Theelectron's velocity components perpendicular and parallel to the field are equal.
A fighter jet landing on an aircraft is made to brake very quickly by means of cable that the plane connects to via a hook. Assume that a 21,000 lb jet touches down at 170 mph and its speed is reduced to zero in 240 ft Assuming constant deceler..
Jim is driving his car at 32 m/s (72 mi/h) along a highway where the speed limit is 25 m/s (55 mi/h). How far does the police car travel before catching Jim
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