The kinetic energy of a thrown Nerf football is 25 Joules. If the mass is 2 kg, what is the velocity?
Philip P.
answered • 11/10/16
Effective and Patient Math Tutor
KE = (1/2)mv2
For the nerf football:
- KE = 25 joules
- m = 2 kg (that's one heavy nerf football)
KE = (1/2)mv2
2KE = mv2
2KE/m = v2
√(2KE/m) = v
√((2)(25)/(2)) = v
√25 = v
5 m/s = v
Still looking for help? Get the right answer, fast.
OR
Find an Online Tutor Now
Choose an expert and meet online.
No packages or subscriptions, pay only for the time you need.
