Answer:
2.5 m/s
Explanation:
Mechanical energy is the sum of the potential and kinetic energy.
E = PE + KE
E = mgh + ½mv²
172.1 J = (7.26 kg) (9.8 m/s²) (2.1 m) + ½ (7.26 kg) v²
v = 2.5 m/s
Answer:
2.5 m/s
Explanation: i jus did this on edg. its right:)
Answer:
i think its false
Explanation:
Answer:
I am pretty sure its false.
Explanation: