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The Hubble Space Telescope (HST) is on a circular, low-Earth orbit, at an elevation h = 600 km above the Earth's surface. The orbital period is about 5800 seconds. For an observer who sees HST pass through the zenith, how long is HST above the horizon during each orbit?
David is driving a steady 26 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.8 at instant when David passes.
An AC generator supplies an rms voltage of 110 V at 50.0 Hz. What is the average power dissipated in the circuit
A proton and an electron are moving due east in a constant electric field that also points due east, Determine the magnitude of the acceleration of the proton and the electron
The middle C string on a piano is under a tension of 882 N. The period and wavelength of a wave on this string are 3.82 10-3 s, Find the linear density of the string
A box of mass 32.0 kg is sitting on a ramp which makes an angle of 24.0 degrees with respect to the horizontal. Find the magnitude of the acceleration of the box on the ramp
A heat engine does 502.23 J of work per cycle while exhausting 94.69 J of waste heat. What is the engine's thermal efficiency in percent
The length of a certain wire is doubled and at the same time it's radius is reduced by a factor of 2
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the horizontal and vertical component of the balls
The figure shows a zero-resistance rod sliding to the right on two zero-resistance rails separated by the distance L = 0.381 m. The rails are connected by a 13.1 ohm resistor, and the entire system is in a uniform magnetic field with a magnitude o..
A 32.0 kg hammer strikes a steel spike 2.70 cm in diameter while moving with speed of 24.0 m/s. The hammer rebounds with speed 11.0 m/s after 0.110 s. What is an average strain in the spike all through the impact.
A power boat of mass 500 kg iscruising at a constant speed of 8.9 m/s. The propeller provides adrive force of 765 N. How far does the boat coast
A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is mu_s. If the block is at rest, what is the magnitude of the force due to friction
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