PLEASE HELP I WILL GOVE BRAINLIEST TO FIRST CORRECT ANSWER!!!!!
1 answer:
Answer is C is the correct answer
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Ok? I don’t know what you want me to do though
Using
F= mv²/r
4 = 0.5×v² / 2
8 /0.5 = v²
v²=16
v= √16
v= 4 ms-¹
Blue light can knock electrons off a plate, but red light can't
Answer:
0
Explanation:
Forces with equal magnitudes and opposite directions cancel each other out, so the net force is 0.
Answer:
Changing its velocity
Explanation:
