3. [#362] Football on the moon Suppose that an astronaut, wearing a space suit on Earth, can kick a ball a distance of 25 m (have you tried kicking in a space suit?). Using the datum gravitational acceleration is gmoon = 1.6 m.s 2, estimate how far he could kick the ball on the moon, using the same action and kicking at the same angle. (Remember significant figures and neglect air resistance. Assume that the launch and landing heights are the same. Do not use exponent notation.) m

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3. [#362] Football on the moon
Suppose that an astronaut, wearing a space suit on Earth, can kick a ball a distance of 25 m (have you tried
kicking in a space suit?). Using the datum gravitational acceleration is gmoon = 1.6 m.s-2, estimate how far he
could kick the ball on the moon, using the same action and kicking at the same angle. (Remember significant
figures and neglect air resistance. Assume that the launch and landing heights are the same. Do not use exponent
notation.)
m
Enter answer here
Transcribed Image Text:3. [#362] Football on the moon Suppose that an astronaut, wearing a space suit on Earth, can kick a ball a distance of 25 m (have you tried kicking in a space suit?). Using the datum gravitational acceleration is gmoon = 1.6 m.s-2, estimate how far he could kick the ball on the moon, using the same action and kicking at the same angle. (Remember significant figures and neglect air resistance. Assume that the launch and landing heights are the same. Do not use exponent notation.) m Enter answer here
8. [#365] Space station (part 1)
(Image from NASA http://settlement.arc.nasa.gov/70sArtHiRes/70sArt/Torus_Cutaway_AC75-1086-1_900.jpg)
This artist's conception imagines a 'wheel-shaped' space station. The idea is that the 'wheel' would turn on its axis
at a rate such that the acceleration in the rim of the wheel would be 9.8 m.s-2. (This would make inhabitants
feel as though they had their normal weight.) Suppose that the radius of the wheel is 1.0 × 10² m.
What is the required period of rotation of the space station about its axis?
Period of rotation = s. (Enter the number without using exponent notation.)
[Interesting. In the movies 2001 and The Martian, the living areas of the spacecraft are rotating wheels, for the
same reason. Being subjected to normal forces is healthier for astronauts, though it sometimes creates difficulties
for special effects crews: https://www.youtube.com/watch?v=1wJQ5UrAsIY]
Enter answer here
Transcribed Image Text:8. [#365] Space station (part 1) (Image from NASA http://settlement.arc.nasa.gov/70sArtHiRes/70sArt/Torus_Cutaway_AC75-1086-1_900.jpg) This artist's conception imagines a 'wheel-shaped' space station. The idea is that the 'wheel' would turn on its axis at a rate such that the acceleration in the rim of the wheel would be 9.8 m.s-2. (This would make inhabitants feel as though they had their normal weight.) Suppose that the radius of the wheel is 1.0 × 10² m. What is the required period of rotation of the space station about its axis? Period of rotation = s. (Enter the number without using exponent notation.) [Interesting. In the movies 2001 and The Martian, the living areas of the spacecraft are rotating wheels, for the same reason. Being subjected to normal forces is healthier for astronauts, though it sometimes creates difficulties for special effects crews: https://www.youtube.com/watch?v=1wJQ5UrAsIY] Enter answer here
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