The above graph shows the speed of a car over time. During which time period was the car stopped?
1 answer:
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Answer:
the average speed of the car is 170 mph.
Explanation:
Given;
initial speed, u = 70 mph
time of motion, t₁ = 3 hours
final speed, v = 20 mph
time of motion, t₂ = 2 hours
The average speed of the car is calculated as;
Therefore, the average speed of the car is 170 mph.
Answer:
350 N
Explanation:
F=ma
Force = 350 Newtons