Answer: b
Explanation:
Ec= (1/2)m × v^2
By the formula, you can see that the bigger the mass, the bigger the Cinetic Energy.
Answer:
I think no 3 is false
and 4 is true
and the the ones you did are correct
if wrong correct me pls
Answer:
b) -10 m/s
Explanation:
In perfectly elastic head on collisions of identical masses, the velocities are exchanged with one another.
Answer: A. X-rays
Explanation:
X-rays have the shortest wavelength and the highest energy of all of the options given.
Answer:
<em>A</em><em>.</em><em>increases</em><em> </em><em>friction</em>
Explanation:
