b is your answers in this thread
I think is A or B it depends on like what the trying to answer
First do 1.6 m (how far he jumps) 9.8 m/s (what gravity is measured at) then times 2
= 31.36
Sq root = 5.6
Answer:
2 kg
Explanation:
Remember:
F = m * a re-arrange to
F/a = m substitute in the given values
10 / 5 = 2 kg
Answer: two waves with identical crests and troughs meet
Explanation:
My teacher gave me the answer