58 725
Assignments Done
Successfully Done
In March 2018
Your physics homework can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.
Our experts will gladly share their knowledge and help you with programming homework. Keep up with the world’s newest programming trends.

Answer on Mechanics | Relativity Question for lizzeth

Question #4887
Shawn and his bike have a total mass of 47.5 kg. Shawn rides his bike 0.64 km in 12.9 min at a constant velocity.
The acceleration of gravity is 9.8 m/s2 . What is Shawn’s kinetic energy?
Answerinunitsof J
Expert's answer
Kinetic energy is described by the following formula
where m - mass of an object (in our case it's mass of Shawn and his bike)
v - velocity of an object ( in our case it's velocity with which Shawn rides his bike)
velocity was constant during ride hence we can find it as v= S/T=0.64*1000/12.9*60=0.83 m/s
Hence we can substitute values into the formula
Ek=47.5*0.83^2/2=16.36 J

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!


No comments. Be first!

Leave a comment

Ask Your question