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A satellite is in orbit around a planet. The orbital radius is 34.0 km and the gravitational acceleration at that height is 2.3 m/s2. What is the satellite's orbital speed? The answer is 280 m/s but I want to understand how to get this. Thank you!
A lighted candle is placed 35 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 10 cm that is 5 cm from the diverging lens.
A skier has a speed of 5.0 m/s on top of a hill that is 30.0 m above the valley floor. Determine the speed of the skier while she is in the valley floor
A laser produces a 3.10-mW beam of light, consisting of photons with a wavelength of 610.1 nm. (a) How many photons are emitted by the laser each second? photons/s (b) The laser beam strikes a black surface and is absorbed. What is the change in the ..
At a point P, the path lengths from two point sound wave sources have a difference of 1/4 l. What is the phase difference between the sound waves at poiunt P
a parallel-plate capacitor with circular plates of radiusris being charged by a battery which provides a constant
If the diameter of the hole is 9.00cm at 20 degree Celsius and the temperature of the oven is 200 degree Celsius, what will be the new area of the hole
The central maximum of that diffraction pattern is 6.3 centimeters wide. What is the measured diameter of the wire? Show all steps.
Romeo (74.0 kilogram) entertains Juliet (58.0 kilogram) by playing his guitar from the rear of their boat at rest in still water, Obtain how far does the 81.0 kilogram boat move toward the shore it is facing
A new fighter jet has a maneuvering speed of 209 m/s. In this jet a pilot needs to fly a vertical loop with radius 694 m. what is the maximum perceived acceleration the pilot feels
A hydrogen atom is in its ground state when its electron absorbs a 48-keV photon. What's the energy of the resulting free electron
A potential difference of 12 V is placed across the ends of a wire of resistance 2.625times10-3 Ohm. If the density of electrons in the wire is 6times1028 electrons/m3 and the cross sectional area of the wire is 2times10-5 m2, what is the drift veloc..
an ion having charge 6e is traveling horizontally to the left at 8.60kms when it enters a magnetic field that is
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