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Two Satellites A and B, each of mass 50 kg are in circular orbits at altitudes of 1000 km and 35000 km respectively. What is the difference in gravitational potential energies of the two satellites in their respective orbits? M= 6*10^24 kg Re= 6.4*10^6 m G=6.67*10^-11 Nm^2/kg^2
On a spacecraft, two engines are turned on for 730 s at a moment when the velocity of the craft has x and y components of velocity v0x = 4040 m/s, Find the x and y components of the craft's acceleration
You have a thin lens with a focal point at 1.7 cm. If you place a candle stick at a distance of 3.9 cm from the center of the lens, calculate the distance of the resulting image from the lens
The inlet ducting to a jet engine forms a diffuser that steadily decelerates the entering air to zero velocity relative to the engine before the air enters the compressor. determine the temperature, in degrees Celsius, of the air entering the compr..
A student is asked to determine thickness of film of oil (n=1.43) on surface of water n=1.33) Light travels through air to oil film to water. Calculate minimum possible thickness of oil film
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.06 × 106 m/s, Find the centripetal acceleration of the electron
in a simplified roller bearing, the inner cylinder has a radius of 1.0 cm and is stationary. What is the angular speed of the small cylinders
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.260 m2. What is the current induced in the coil
Graph the power of the laser when it's on. b) Compute the energy in the pulse. c) Compute the number of photons in the pulse.
A spaceship moving away from the Earth at a velocity v1 = .75c with respect tot he Earth, What is the velocity of the rocket with respect to the Earth
Suppose you wish to make a solenoid whose self-inductance is 1.7 mH. How many turns of wire are needed
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth, What is the mass of the bucket and water
What is the maximum speed of the mass. What is the radial acceletation experience by mass while it remains at its max. angular speed.
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