1. A person covers a distance of 320 miles in
a travel time of 8 hours. What is the speed for this trip? ans0201
(32.0K)
2. A car travels with an average speed of 55
miles/hr. What is this speed in  km/hr?
 km/s?
 m/s? ans0202
(38.0K)
3. The velocity of a car moving in a straight
line increases from 8 m/s to 22 m/s in 7 seconds. What is the average acceleration
of the car during this period? ans0203
(41.0K)
4. Starting from rest and moving in a straight
line, a runner achieves a speed of 7.0 m /s in a time of 4.5 seconds. Determine
the average acceleration of the runner. ans0204
(41.0K)
5. The velocity of a car decreases from 25 m/
s to 12 m / s in a time of 4.2 seconds. What is the average acceleration
of the car? ans0205
(40.0K)
6. A car initially at rest accelerates at the
constant rate of 2.0 m / s^{2} for a time of 5.0 seconds. Determine:  the velocity of the car after 5.0 seconds.
 the distance the car traveled during this process. ans0206
(38.0K)
7. The position of an object with respect to time was measured and recorded
with the following results: Distance (meters)  Time (seconds)  0  0  5  10  10  20  15  30  20  40  25  50 
Graph the distance versus time. ans0207
(47.0K)
8. For the graph produced in problem 7, calculate
the velocity. ans0208
(33.0K)
9. For the graph of velocity versus time shown
below, calculate the acceleration. ans0209
(43.0K)
practice probs image 1 (13.0K)practice probs image 1 10. Does the velocity in problem 9 increase
or decrease with time? ans0210
(30.0K)
