Answer:
(a) 
Step-by-step explanation:
Given


Required
Determine the time in each lap
The unit time in each lap is calculated by dividing the total time by the number of laps; i.e.;

Substitute values for Time and Lap

Answer:
It is closer to 7,000 than 8,000
Answer:
where is figure by the way
<span> (mass 40kg) standing on slippery ice, catches her dog (mass 15kg) leaping toward her at 3.0 m/s. Use conservation of momentum to show that the speed of judy and her dog after the catch is 0.8 m/s .
</span>
Answer:
x=-6
Step-by-step explanation: