Question # 1 An 87.0 kg spacewalking astronaut pushes off a 640 kg satellite, exerting a...
Question # 1
An 87.0 kg spacewalking astronaut pushes off a 640 kg satellite, exerting a 115 N force for the 0.590 s it takes him to straighten his arms.
How far apart are the astronaut and the satellite after 1.20 min ?
Question # 2
It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station is constructed as a 1200-m-diameter cylinder that rotates about its axis. The inside surface is the deck of the space station
What rotation period will provide "normal" gravity?
Homework Answers
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Question # 1
An 87.0 kg spacewalking astronaut pushes off a 640 kg satellite,
exerting a...
An 93.0 kg spacewalking astronaut pushes off a 640 kg satellite, exerting a 120 N force...
An 93.0 kg spacewalking astronaut pushes off a 640 kg satellite, exerting a 120 N force for the 0.540 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.00 min ?
An 82.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 120 N force...
An 82.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 120 N force for the 0.550 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.20 min ?
An 92.0 kg spacewalking astronaut pushes off a 655 kg satellite, exerting a 80.0 N force...
An 92.0 kg spacewalking astronaut pushes off a 655 kg satellite, exerting a 80.0 N force for the 0.440 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.20 min?
An 90.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 85.0 N force...
An 90.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 85.0 N force for the 0.590 s it takes him to straighten his arms.
An 75.0 kg spacewalking astronaut pushes off a 645 kg satellite, exerting a 120 N force...
An 75.0 kg spacewalking astronaut pushes off a 645 kg satellite, exerting a 120 N force for the 0.560 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.40 min ?
An 85.0 kg spacewalking astronaut pushes off a 650 kg satellite, exerting a 100 N force...
An 85.0 kg spacewalking astronaut pushes off a 650 kg satellite, exerting a 100 N force for the 0.420 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.40 min ?
An 80.0kg spacewalking astronaut pushes off a 645kg satellite, exerting a 120N force for the 0.590s...
An 80.0kg spacewalking astronaut pushes off a 645kg satellite, exerting a 120N force for the 0.590s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 1.50min ?
A 53.7kg spacewalking astronaut pushes off a 637.0kg satellite, exerting a 120.0N force for the 0.540s...
A 53.7kg spacewalking astronaut pushes off a 637.0kg satellite, exerting a 120.0N force for the 0.540s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 6.72min?
An 97 kg spacewalking astronaut pushes off a 685 kg satellite, exerting a 97 N force...
An 97 kg spacewalking astronaut pushes off a 685 kg satellite, exerting a 97 N force for the 0.5 s it takes him to straighten his arms. a. What impulse is delivered to the astronaut from the satellite? kg m/s b. What's the speed of the astronaut after he pushes off? (We'll call the astronaut and satellites initial velocity 0.) m/s c. What's the speed of the satellite after the astronaut pushes off? m/s d. How far apart are the...
B) A 1300 -kg car is pushing an out-of-gear 2200 -kgtruck that has a dead battery....
B) A 1300 -kg car is pushing an out-of-gear 2200 -kgtruck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4500 N . The rolling friction of the car can be neglected, but the heavier truck has a rolling friction of 760 N , including the "friction" of turning the truck's drivetrain. What is the acceleration aT of the truck? C) An...
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