Ask Question
12 January, 07:07

How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s?

a. 750 J

b. 250 J

c. 100 J

d. 1000 J

+3
Answers (2)
  1. 12 January, 08:56
    0
    750 J APEX Verified
  2. 12 January, 10:04
    0
    The answer is the change in kinetic energy

    K = 1/2 • mv^2

    Change in K = (1/2 • 20 • 10^2) - (1/2 • 20 • 5^2)

    Change in K = 1000 - 250 = 750J
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s? a. 750 J b. 250 J c. 100 J d. 1000 J ...” 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