Question

Ans.
hat his kinetic energy is 812
The mass of a person is 65 kg. How fast should he run so that his kan
65 l​

Answer 1

1. Question⇒  hat his kinetic energy is 812

The mass of a person is 65 kg. How fast should he run so that his kan

65 l​.

Step-by-step explanation:

• ke=812.5 J
• mass =65 kg  
• ke=1/2×mv^2
• 812.5=1/2×65v^2
• v^2=812.5×2/65
• v^2=65  
• v=5