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An asteroid in an elliptical orbit about the sun travels at 1.3 106 m/s at perihelion (the point of closest approach) at a distance of 2.2 108 km from the sun. How fast is it traveling at aphelion (the most distant point), which is 7.6 108 km from the sun?
A 1.15kg block is attached to a spring with spring constant 18.0N/m . While the block is sitting at rest, a student hits it with a hammer, find The amplitude of the subsequent oscillations
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. What is the work done by the force
Some sliding rocks approach the base of a hill with a speed of 18.0m/s. Find the acceleration of the rocks as they slide up the hill
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
What is the speed of the river current. What is the swimmer's speed relative to the shore.
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. How much heat is released by the water when it freezes
Calculate the equilibrium concentration of dissolved oxygen in 15celcius dgree water at 1atm and again at 3,000m elevation Using Henry's law, P vs z equation
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 79.1 N, Jill pulls with 76.7 N in the northeast direction, Find the magnitude of the net force the people exert on the donkey
A steel wire with mass 22.3 g and length 1.08 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
An artificial satellite circling the Earth completes each orbit in 128 minutes. (The radius of the Earth is 6.38 106 m. The mass of the Earth is 5.98 1024 kg.), Find the altitude of the satellite
A helicopter lowers a rope with a seat at the end to resue someone. The seat has a mass of 4.4 kg. The person has a mass of 74.4 kg. How much tension will be on the rope
What is tension T in each of the cables
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