Answer:
<h2>
<em>Option 1 </em></h2>
Explanation:
1st option is the correct answer......
Answer:
Mass of shot (m) = 4 kg
Explanation:
Given:
Velocity (v) = 15 m/s
Mechanical kinetic energy (K.E) = 450 J
Find:
Mass of shot (m) = ?
Computation:
Mechanical kinetic energy (K.E) = 1/2mv²
Mechanical kinetic energy (K.E) = [1/2](m)(15)²
450 = [1/2](m)(15)²
900 = 225 m
Mass of shot (m) = 4 kg
The Speed of Light.
Photons emitted from the surface of the sun to travel across the vacuum of space to reach out eyes
Answer:

Explanation:
The equation for work is:

We can substitute the given values into the equation:
