Asked by Mary

A herder is herding his sheep into the corral. A mother sheep and its lamb are both running at 3.0 m/s towards the corral. The sheep has a mass of 60 kg and the lamb has a mass of 20 kg. a. What is the kinetic energy of the sheep. b. What is the kinetic energy of the lamb?
Answered by DrBob222
KE = 1/2*m*v^2
Answered by Mary
That the answer to both question. If so can you explain to me to steps. for both? You just confused me more. there is 2 question a. & be
Answered by DrBob222
Yes, you want the KE for both and you use the same formula for both.
Confusing. You substitute the numbers and solve the equation.
KE = 1/2*m*v^2
For the first one you have
m = 60 kg
v = 3 m/s
KE = 1/2*60*(3)^2
KE = 30*9 = 270 joules
You do the second one the same way.
Answered by Sam
For part 2.
KE =1/2*mv^2
m= 20 kg
v= 3 m/2
KE= 1/2*20*(3)^2
KE=10*9=90 joules
Answered by DrBob222
right. Apparently you have a problem determining who you are with your screen name. It helps us to help you better if you stick to a single screen name.
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