Answer:
A
Explanation:
because it is accelerating and as the vehicle accelerates the speed increas
Answer: 4 times as much
I think it is 80m/s
d = ½ g t2
= ½ (10 m/s2) (4 s)2
= (5 m/s2) (16 s2)
= 80 ms
75% sure
Hope this helps!!!
The photoelectric effect is a phenomenon in which the photoelectrons are emitted from the metal when an incident electromagnetic wave hits the metal. The incident light should have a threshold frequency to meet the work function of the metal