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A satellite moves in a circular orbit around the Earth at aspeed of 4260 m/s. Determine the satellite's altitude above thesurface of the Earth.
Determine the period of the satellite's orbit.
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. If the report meant 5.0 years of Earth time, how much time elapsed on the ship
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, What is the true distance between the points
Four equal point charges, Q, are fixed at the corners of a squareof side b. (a) What is their total electrostatic potential energy?(b) How much potential energy will a fifth charge, Q, have at thecenter of the square (relative to V=0 at r =)?
A toy car is driven by a battery of 9V. it draws a current of 2mA. what is the resistance of the car
A football kicker can give the ball an initial speed of 27 m/s. He is 53 m from the goalpost which has a crossbar 3.09 m high. What is the smallest angle of elevation that he can kick the football and score a field goal
A student m = 81 kg runs at a velocity vi = 2.25 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 1.75 m/s. What is the mass of the skateboard in kg
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33 500 V. find the electron speed just before the electron strikes the screen
A river 101.8 m wide flows toward the south at 31.0 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. What is her velocity relative to land
The motion of an object is described by the equation x = (1.9 m) cos(?t/3.5), What is the frequency of the motion
The wheel of an automobile has a mass of 25 kg and a diameter of 67.0 cm. What is the angular momentum of the wheel about its axle when the automobile is traveling at 25 m/s (90 km/h) on a straight road
A man of mass 65 kg falls stiff-legged straight down from a height of 2m. He lands on one foot. The femur is a bone in the leg with the length L=.65m, and a cross-sectional area of about 2.0 x 10^-4m^2. The Young's modulus for bone is 9.4x 10^9 N/..
The plates of a 2.5 E-9 F parallel plate capacitor are separated by 1.2 mm. What is the area of each plate
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