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An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite. The satellite is in a circular orbit 700 km above the Earth's surface, where the free-fall acceleration is 8.15 m/s2. Take the radius of the Earth as 6400 km.
Determine the speed of the satellite.
m/s
Determine the time interval required to complete one orbit around the Earth, which is the period of the satellite.
min
An 80 driver gets into an empty taptap to start the day's work. The springs compress 1.8×10-2. What is the effective spring constant of spring system in the taptap.
Consider an angular motion. If the displacement is given as 250teθ, and the radius r is constant, derive the expressions for the angular velocity θ=ω, angular accelerationα, linear displacements, linear velocitytv, normal accelerationna, and tange..
Three point charges are arranged along the x axis. Charge q1= -4.70 nC is located at x= 0.200 m and charge q2 = 2.20 nC is at x = -0.340 m. A positive point charge q3 is located at the origin.
An object consists of a ball of weight W glued to the end of a uniform bar also of weight W. if you release it from rest, with the bar horizontal.
A rifle with a barrel length of 57 fires an 11 bullet with a horizontal speed of 440. The bullet strikes a block of wood and penetrates to a depth of 12. What resistive force (assumed to be constant) does the wood exert on bullet.
As part of a safety investigation, two 1700 cars traveling at 18 are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and t..
What should be coefficient of static friction
Question on center of gravity Discover speed of each block
A heat engine having an ideal monatomic gas as a working substance has a cycle consisting of the following three processes: isobaric expansion at 200 kPa.
A uniform plank of length 4.7 m and weight 221 N rests horizontally on two supports, with 1.1 m of plank hanging over the right support. To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before it just begi..
The potential difference between two short sections of parallel wires in air is 104 V, What is the capacitance of the two wires
minivan moving at 38 m/s passes an unmarked state police car moving at 24 m/s. The electromagnetic waves produced by the radar gun in the police car have the frequency of 8.25 × 10^9 Hz.
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