Homework Answers
when the skater completes one lap then he is back to his original starting position. So no matter how many laps he skates, after each complete lap he will at his initial position, so linear displacement will be equal to zero.
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2. A speed skater completes 5 laps around a 500 m track. What is the linear...
A person jogs eight complete laps around a 400-m track in a total time of 14.8min...
A person jogs eight complete laps around a 400-m track in a total time of 14.8min . Calculate the average speed, in m/s. Calculate the average velocity, in m/s.
A speed skater goes around a turn that has a radius of 26 m. The skater...
A speed skater goes around a turn that has a radius of 26 m. The skater has a speed of 16 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?
A speed skater goes around a turn that has a radius of 30 m. The skater...
A speed skater goes around a turn that has a radius of 30 m. The skater has a speed of 15 m/s and experiences a centripetal force of 470 N. What is the mass of the skater?
A speed skater goes around a turn that has a radius of 32 m. The skater...
A speed skater goes around a turn that has a radius of 32 m. The skater has a speed of 12 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?
A speed skater goes around a turn that has a radius of 27 m. The skater has a speed of 15 m/s and experiences a centrip...
A speed skater goes around a turn that has a radius of 27 m. The skater has a speed of 15 m/s and experiences a centripetal force of 470 N. What is the mass of the skater?
In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume...
In short-track speed skating, the track has straight sections
and semicircles 16 m
in diameter. Assume that a 64kg
skater goes around the turn at a constant 11m/s
.
Part A
What is the horizontal force on the skater?
part B
What is the ratio of this force to the skater's weight?
In short-track speed skating, the track has straight sections and semicircles 16 m m/s .Part A What is the horizontal force on the skater? part B What is...
Sam drives a car around a circular track with a radius of 120 m, at a...
Sam drives a car around a circular track with a radius of 120 m, at a constant speed of 15 m/s How long will it take Sam to complete 50 laps around the track?
A person jogs eight complete laps around a 400-mm track in a total time of 14.0...
A person jogs eight complete laps around a 400-mm track in a total time of 14.0 minmin . Part A Part complete Calculate the average speed, in m/sm/s. v¯v¯ = 3.81 m/sm/s SubmitPrevious Answers Answer Requested Part B Calculate the average velocity, in m/sm/s.
2. In short track speed racing, the track has straight sections and semicircles on each end...
2. In short track speed racing, the track has straight sections and semicircles on each end with radius 18 m. Assume a 61 kg skater goes around the turn at 11.3 m/s. a. What is the net horizontal force on the skater? Please draw a force diagram. b. What is the coefficient of friction necessary to just negotiate this turn?
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a...
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a circular track of radius 250 m. What is the magnitude of the centripetal acceleration of the car? When the car is at the point 'A', what is its direction of centripetal acceleration (show by making an arrow on the figure)
In short-track speed skating, the track has straight sections
and semicircles 16 m
in diameter. Assume that a 64kg
skater goes around the turn at a constant 11m/s
.
Part A
What is the horizontal force on the skater?
part B
What is the ratio of this force to the skater's weight?
In short-track speed skating, the track has straight sections and semicircles 16 m m/s .Part A What is the horizontal force on the skater? part B What is...
2. In short track speed racing, the track has straight sections and semicircles on each end with radius 18 m. Assume a 61 kg skater goes around the turn at 11.3 m/s. a. What is the net horizontal force on the skater? Please draw a force diagram. b. What is the coefficient of friction necessary to just negotiate this turn?
Q3) A car moving with a constant speed of 35.0 m/s completes one lap around a circular track of radius 250 m. What is the magnitude of the centripetal acceleration of the car? When the car is at the point 'A', what is its direction of centripetal acceleration (show by making an arrow on the figure)
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