Answer :
Final answer:
This response provides conversions from m/s to mph, acceleration calculation, and determining speed during a car catch-up scenario.
Explanation:
a. What is 25 m/s, in miles per hour?
To convert 25 m/s to miles per hour, you can use the conversion factor 1 m/s = 2.237 mph. Therefore, 25 m/s is equal to 56.12 mph.
b. What was your acceleration over the 30 s time interval?
Acceleration can be calculated using the formula: acceleration = (final velocity - initial velocity) / time. Given the initial velocity of 25 m/s, final velocity of 0 m/s, and a time interval of 30 seconds, the acceleration is -0.83 m/s².
c. How fast were you going when you caught up with the other car?
When you catch up with the other car, both speeds are the same. Therefore, you were going at 25 m/s.
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