A 52 kg sprinter, starting from rest, runs 48 m in 7.0 s at constant acceleration....

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A 52 kg sprinter, starting from rest, runs 48 m in 7.0 s at constant acceleration. Part A What is the magnitude of the horizontal force acting on the sprinter? Express your answer with the appropriate units. ▸ View Available Hint(s) F₁ = 100 N Submit ✓ Correct Correct answer is shown. Your answer 101.87 N was either rounded differently or used a different number of significant figures than required for this part. Part B Previous Answers What is the sprinter's power output at 2.0 s, 4.0 s, and 6.0 s? Express your answers in kilowatts separated by commas. ▸ View Available Hint(s) P(2.0), P(4.0), P(6.0) = Submit Previous Answers 17 ΑΣΦ • [www] ? kW X Incorrect; Try Again; 2 attempts remaining It seems that you have used an incorrect equation to calculate the sprinter's velocity at the given moments of time. Use dimensional analysis to check your result by deriving the units of your final expression and confirming they match the units of power (kW). A 52 kg sprinter, starting from rest, runs 48 m in 7.0 s at constant acceleration. Part A What is the magnitude of the horizontal force acting on the sprinter? Express your answer with the appropriate units. ▸ View Available Hint(s) F₁ = 100 N Submit ✓ Correct Correct answer is shown. Your answer 101.87 N was either rounded differently or used a different number of significant figures than required for this part. Part B Previous Answers What is the sprinter's power output at 2.0 s, 4.0 s, and 6.0 s? Express your answers in kilowatts separated by commas. ▸ View Available Hint(s) P(2.0), P(4.0), P(6.0) = Submit Previous Answers 17 ΑΣΦ • [www] ? kW X Incorrect; Try Again; 2 attempts remaining It seems that you have used an incorrect equation to calculate the sprinter's velocity at the given moments of time. Use dimensional analysis to check your result by deriving the units of your final expression and confirming they match the units of power (kW).

Answer rating: 100% (QA)

Part A Calculating the magnitude of the force acting on the sprinter Mass 42K... View the full answer