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Scientists want to place a 4200 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.7 times the radius of Mars above the surface of the planet.
1) What is the force of attraction between Mars and the satellite?
2) What speed should the satellite have to be in a perfectly circular orbit?
3) Which of the following quantities would change the speed the satellite needs to orbit at?
4) What should the radius of the orbit be (measured from the center of Mars), if we want the satellite to take 8 times longer to complete one full revolution of its orbit?
A heart pacemaker fires 66 times a minute, each time a 29.0-nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. The electron has negligible initial speed and a final speed of 4.60 107 m/s. Find the voltage drop from cathode to anode.
Two wires on a piano are the same length and are stretched to the same tension. Wire 1 vibrates at a frequency 1.5 times that of wire 2. Calculate the ratio of their masses (m1/m2).
Astronomers have recently discovered a new planet in a faraway solar system, with a radius of roughly 380 km. calculate the minimum density of the planet
Kim has a metal casting company which makes commemorative coins. She has 0.12 cubic meters of silver which she needs to make into 1.07E5 coins of thickness 2 mm. If she uses all of the silver, what is the diameter in centimeters of each coin.
As a car approaching you driver lays on the horn. The horn has an actual frequency of 350Hz but you hear the horn as 390 Hz. What is the speed of the car.
A 0.2 object is swung in a vertical circular path on a string 0.1 m long. The acceleration of gravity is 9.8 m/s^2. If a constant speed of 4.07 m/s is maintained, what is hte tension in string when the object is at the top of the circle? Answer in..
What is the distance (in mm) separating the violet (lambda = 400nm) in the first-order band from the red (lambda = 600nm) in the second order.
Assuming that the pass was thrown at the optimal 45 ^circ angle, evaluate what was the speed at which the ball left the quarterback's hand?
Consider a pump that is required to compress air in a factory. The cylinder in the pump has an inner diameter of 2.00 cm and length 60.0 cm. Calculate the volume and temperature of the compressed air
A 5.70 cm x 3.10 cm rectangle lies in the xy-plane, What is the electric flux through the rectangle if E = (50.0 i-hat + 60.0 k-hat) N/C
a ball (mass=m) moving in the positive x direction with speed v collides with a block (mass=M) initially at rest, compute the mass of the block
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