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A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N.
(a) What is the kinetic energy of the satellite in this orbit?
(b) What would F be if the orbit radius were increased to 3.5 x 107 m?
The position of a jumping cricket is described by the equation: x=10t-4.0t^2 What is the crickets instantaneous velocity at t=0.2 seconds
A rocket has an initial mass of 28,000 kg, of which 20 percent is the payload. It burns fuel at a rate of 185 kg/s and exhausts its gas at a relative speed of 1.8 km/s.
Consider a merry-go-round that has the form of a disc with radius 5.5 m and mass 130 kg. what is the total moment of inertia
An average friction force of 4000 N impedes the car’s motion so that its speed at the bottom of the driveway is 3.8 m/s. Illustrate what is the length of the driveway?
what is the ball's speed immediately after the collision?
A compound microscope has an objective lens of focal length 10.50 with an eyepiece of focal length 14.80, and it produces its final image at infinity. The object to be viewed is placed 2.00 beyond the focal point of objective lens.
A rescue helicopter is lifting a man (weight = 719 N) from a capsized boat by means of a cable and harness, What is the tension during the remainder of the rescue when he is pulled upward at a constant velocity
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. determine the voltage drop from cathode to anode
What is the IMA of the jack.
An engineer wishes to determine the specific heat of a new metal alloy. A 0.150-kg sample of the alloy is heated to 540°C. Calculate the specific heat of the alloy
Monochromatic light of a given wavelength is incident on a metal surface. However, no photoelectrons are emitted. how should the incident light be adjusted
A jet flying at 107 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
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