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A satellite is in a circular orbit about the earth (M=5.98 x 10^24 kg). The period of the satellite is 1.40 x 10^4 s. What is the speed at which the satellite travels?
A 1,500 kg jeep is parked on a 30 degree slope, facing uphill. Find the normal force exerted by the road on the front wheels and on the rear wheels
Calculate the location of the center of mass of the Earth-Moon-Sun system during a full Moon. A full Moon occurs when the Earth, Moon, and Sun are lined up. make Use of a coordinate system in which the center of the sun is at x=0 and the Earth and..
James bond (mass 78 kg) is running to catch a bag (mass 23 kg) containing an antiserum to a deadly disease. Initially Mr. Bond is running 4.4 m/s north and the bag is travelling 2.9 m/s east. What is the final velocity (magnitude and direction) of Ja..
Starting from rest,a 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume that the angular acceleration is constant.
A container of hot water at 80 degrees cools to 79 degrees in 15 seconds while it is placed in a room that is t 20 degrees. Use newton's law of cooling to estimate the time it will take for the container to cool from 50 degrees to 49 degrees.
Sewage at a certain pumping station is raised vertically by 5.13 m at the rate of 1 860 000 liters each day. The sewage, of density 1 050 kg/m3, Assume an electric motor continuously operating with average power 3.85 kW runs the pump. Find its effi..
two identical springs of spring constant 6770 N/m are attached to a block of mass 0.225 kg. What is the frequency of oscillation on the frictionless floor
A 10 kg block sits motionless on a table in spite of an applied horizontal force of 2 N. What are the magnitudes of the reaction force
A wave with a frequency of 200Hz is traveling down a 100m long wire whose total mass if 15 kg. The wire is under a tension of 1000 N. What is the length of the wave?
A merry-go-round starts from rest and accelerates uniformly over 27.0 s to a final angular velocity of 7.75 rev/min, Find the person's maximum radial acceleration
Two masses are joined by a massless string. A 27-N force applied vertically to the upper mass gives the system a constant upward acceleration of 3.5m/s^2. If the string tension is 19-N , what is the bigger of two masses
On a hot summer day, the temperature of air in Arizona reaches 113°F. What is the speed of sound in air at this temperature? (Enter your answer to four significant figures. The speed of sound at 0°C is 331 m/s. Use the conversion 0°C = 273 K as neces..
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