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Question: Between January 1 and April 1 the earth completes 1/4 of its annual revolution. If the sun exerts a constant force of 3.51 x 1022 N on the earth,
Part A: What is the earth's change in acceleration during this time?
I need help to find the earth's change in acceleration during this time.
When they release their arms, Al moves off in one direction at a speed of 0.689 m/s, while Jo moves off in the opposite direction at a speed of 1.10 m/s. Assuming that friction is negligible, find out Al's mas
If you were to use wire of twice the diameter, which of the above answers would change? Would they increase or reduce.
Water has a mass per mole of 18.0 g/mol, and each water molecule(H2O) has 10 electrons. How many electrons arethere in 3 liters of water?(A liter is 1.00 multiplied by 10-3 m3) What is the net charge of all these electrons?
How many half-lives are required for the number of radioactive nuclei to decrease to 1/1010 of the initial number
An outfielder throws a baseball with an initial speed of86.8 mi/h. Just before an infieldercatches the ball at the same level, How much of the ball's mechanical energy is dissipated by air drag
An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 85.0 rad/s in 1.76 s. Determine the initial angular speed of the fan
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 4.55 m/s2. how long does it take to stop and how far does it travel
A wheel consists of 20 thin spokes, each with mass 0.070kg , attached to a rim of mass 4.4kg and radius 0.85m. Find its rotational inertia
A wooden block with mass 0.33kg rests on a horizontal table, connected to a string that hangs vertically over a friction-less pulley on the table's edge, Find the block's acceleration if k =0.18.
A generator has an armature with 500 loops, which experience a change in flux of 8.00 mWb during each rotation. Compute the back emf it develops when run as a motor at 1500 rpm
a hollow charged conductor has a tiny hole cut into its surface. show that the electric field in the hole is where is
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. A bicyclist moving in the similar direction with one third the car's speed hears a frequency of 415 Hz. What is the speed of the car? Is th..
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