What is the kinetic energy in joules of a 950-lb motorcycle moving

  • Thread starter shawonna23
  • Start date
  • #1
shawonna23
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1. Homework Statement
1. What is the kinetic energy in joules of a 950-lb motorcycle moving at 50 mph ?

2. If the speed of the motorcycle changes from 50 mph (with kintic energy K1) to 25 mph (with kinetic energy K2), what is the ratio of K1 to K2?


2. Homework Equations

KE=1/2mv2


3. The Attempt at a Solution
1. 1.1×10 5 J
2. k1/k2= 0.25
 

Answers and Replies

  • #2
Char. Limit
Gold Member
1,216
22


You already posted this in the homework section, this area isn't for homework problems, and this problem has nothing to do with chemistry.

You hit the trifecta.
 

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