358,391 views
18 votes
18 votes
Quarter Horses are typically faster than Thoroughbreds over short

distances. A racehorse can run at 18 m/s and has 195,000 Joules
of kinetic energy. What is this racehorse's mass?

User MrDanA
by
2.8k points

1 Answer

16 votes
16 votes

Answer:

1203.7kg

Step-by-step explanation:

k.e= 1/2 m x v^2

195000=1/2mx 18^2

195000=1/2mx324

195000=162m

m=195000/162

m=1203.7kg

User Zack Peterson
by
2.9k points