How fast much an 816kg Volkswagen travel to have the same momentum as (a) a 2650kg Cadillac going 16.0 km/h? (b) a 9080-kg truck
1 answer:
You might be interested in
Answer:
Explanation:
Given:
- work done to stretch the spring,
- length through which the spring is stretched beyond equilibrium,
- additional stretch in the spring length,
<u>We know the work done in stretching the spring is given as:</u>
where:
k = stiffness constant
Now the work done in stretching the spring from equilibrium to ():
So, the amount of extra work done: