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Review Questions For Chap 2 1 Essay

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Remedial Physics------------------------------------Review Questions -------------------------------------Chapter 2

Quantitative Problems
1) An object moves 15.0 m north and then 11.0 m south. Find both the distance traveled and the magnitude of the displacement vector.
A) 6.0 m, 26.0 m B) 26.0 m, 4.0 m C) 26.0 m, 26.0 m D) 4.0 m, 4.0 m

2) A boat can move at 30 km/h in still water. How long will it take to move 12 km upstream in a river flowing 6.0 km/h?
A) 20 min B) 22 min C) 24 min D) 30 min

3) 55 mi/h is how many m/s? (1 mi = 1609 m.)
A) 25 m/s B) 49 m/s C) 90 m/s …show more content…

It then starts to snow and you slow to 35 mi/h. You arrive home after driving 4 hours and 15 minutes. How far is your hometown from school?
A) 180 mi B) 190 mi C) 200 mi D) 210 mi

11) A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motorist for this trip?
A) 84 km/h B) 89 km/h C) 90 km/h D) 91 km/h

12) An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is the average speed for the trip?
A) 260 mi/h B) 270 mi/h C) 275 mi/h D) 280 mi/h

13) An airplane increases its speed from 100 m/s to 160 m/s, at the average rate of 15 m/s2. How much time does it take for the complete increase in speed?
A) 17 s B) 0.058 s C) 4.0 s D) 0.25 s

14) A car traveling 60 km/h accelerates at the rate of 2.0 m/s2. How much time is required for the car to reach a speed of 90 km/h?
A) 15 s B) 30 s C) 45 s D) 4.2 s

15) A cart starts from rest and accelerates at 4.0 m/s2 for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of 2.0 m/s2 for 4.0 s. What is the final speed of the car?
A) 20 m/s B) 16 m/s C) 12 m/s D) 10 m/s

16) A cart with

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