How Much Work Must Be Done by Frictional Forces in Slowing

question 10

Multiple Choice

How much work must be done by frictional forces in slowing a 1000-kg car from $26.1 \mathrm {~m} / \mathrm { s }$ to rest?

• A)3.41 × 10⁵ J
• B)2.73 × 10⁵ J
• C)4.09 × 10⁵ J
• D)4.77 × 10⁵ J