Ask Question
8 March, 04:41

How much work must be done on a 5-kg sled to increase its speed from 10

m/s to 15 m/s?

A. 25

B. 312.5 J

C. 562.5 J

D. 5

+5
Answers (1)
  1. 8 March, 07:23
    0
    B. 312.5 J

    Explanation:

    Work = change in energy

    W = ½ mv₂² - ½ mv₁²

    W = ½ m (v₂² - v₁²)

    W = ½ (5 kg) ((15 m/s) ² - (10 m/s) ²)

    W = 312.5 J
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “How much work must be done on a 5-kg sled to increase its speed from 10 m/s to 15 m/s? A. 25 B. 312.5 J C. 562.5 J D. 5 ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers