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As a space shuttle moves through the dilute ionized gas ofEarth's ionosphere, the shuttle's potential is typically changed by-1.0 V during one revolution. Assuming the shuttle is a conducting sphere of radius 8.0 m, estimate the amount of charge (in C) itcollects.
An archer shoots an arrow horizontally at a target 12 m away. The arrow is aimed directly at the center of the target, but it hits 56 cm lower. What was the initial speed of the arrow.
Two point charges lie on the x axis. A charge of 6.2uC is at the origin, and a charge of -9.4uC is at x=10.0cm. What is the net electric field at x=+4.0cm
An ac generator with a frequency of 1.14kHz and an rms voltage of 20.2V is connected in series with a 1.80killo ohm resistor and a 320mH inductor. What is the average power consumed by this circuit
The man completely exhales and jumps into the deep end of a pool with a depth of 9 feet. Calculate the buoyant force of the water acting on the man with his breath completely exhaled
A suction cup works by virtue of a vacuum that is created within the cup. When the cup is pressed against a flat surface, most of the air is forced out, what is the pressure inside the suction cup
A bomb is dropped from an airplane in level flight at a speed of 970 km/h. The altitude of the aircraft is 2000 m. At what horizontal distance from the initial position of the aircraft will the bomb land.
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.6 m/s encounters a rough patch that reduces her speed by 48 % to a friction force that is 20 % of her weight
Suppose a flat roof has a surface area of 9.20000×101 m2. Presume the air inside the building (and under the roof) is at atmospheric pressure, 1.01325×105 Pa, What is the lift force acting on the roof
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration
You are setting up two standing string waves. You have a length of uniform piano wire that is 6.0m long and has a mass of 0.150kg . You cut this into two lengths, one of 2.6m and the other of 3.4m , and place each length under tension. What should..
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