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A satellite is in geosynchronous orbit.
What is the satellite's speed?
What additional speed is required for the satellite to escape Earth's gravity completely?
The decay of a fictitious nucleus is accompanied by the emission of a gamma ray with wavelength 2.48*10-2 nm. What is the difference between these two levels
What is the lift (in newtons) by reason of Bernoulli's principle on a wing of area 77 m^2 if the air passes over the top and bottom surfaces at speeds of 270 m/s and 140 m/s, correspondingly.
A 46kg box is being pushed a distance of 7 m across the floor by the force vector P whose magnitude is 144N. The force vector P is parallel to the displacement of the box.
In the quark model of fundamental particles, a proton is composed of three quarks: two "up" quarks, each having charge +2e/3, calculate the potential energy of the subsystem of two "up" quarks
A television is tuned to a station broadcasting at a frequency of 6.30×10^7Hz. Find the optimum length of the antenna
A 4.86 g bullet moving with an initial speed of vi = 439 m/s is fired into and passes through a 1.06 kg block. The block, initially at rest on a frictionless horizontal surface, is connected to a spring with the spring constant of 832 N/m.
Calculate the impulse experienced when a 66 kg person lands on firm ground after jumping from a height of 2.8m. Estimate the average force exerted on the person's feet by the ground if the landing is with bent legs
On an air track, a 400.5g glider moving to the right at 2.00m/s collides elastically with a 500.5g glider moving in the opposite direction at 3.00m/s. find the velocity of the glider after the collision
A train horn is heard at a 50 dB level by an observer 10 km away. What is the average power generated by the horn
A convex mirror has a focal length of magnitude 7.63 cm. Find the magnification of the image.
Light wavelength is 510 nm is directed at a double slit, where the distance between the slits is 450 micrometers. How far away is the second minimum from the central maximum
The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases from 23 to 61 dB
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