2.75 m/s. Hope this helps.
Answer:
Explanation:
108,000 beats per hour
613,200 hours in 70 years
108,000 times 613,200 =
66225600000 beats
b
6000 kilometers
multiply the length value by 1000
63x1/2 + 65x0.3 + 67x1/5
=
64.4 average atomic mass