A man and his bike are 95 kg. His instantaneous speed at one point is 14 m/s. The next time his speed is checked he is going 28 m/s. If the second speed was taken 7 seconds later, what force must the man have given his bike to change the speed? What is the bicyclist's final momentum?

7/2

(decimal: 3.5)

welcome ; )

step-by-step explanation:

yes, gavin is right.

step-by-step explanation:

gavin is correct. 

this problem is about converting 9% per year to how many percent per quarter. the rate is still the same. it only differed in the time period. so, through dimensional analysis,

9% per year  × (1 year / 4 quarters) = 2.25% per quarter

if he was asked to convert 9% per year to how many percent per quarter  compounded quarterly, then you will not simply divide by four. this is because compounding is not linear.

hope this , have a good day. c;