A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.
a = 8.10 m/ s2
100
Which of the following is a physical quantity that has a magnitude but no direction?
Scalar
200
Determine the speed of a person who traveled 100 miles in 5 hours.
20 Miles per hour
200
An Indy-500 race car's velocity increases from 4.00 m/sec to 36.0 m/sec over an interval lasting 4.00 seconds. What is the car's average acceleration?
a=8 m/s/s
200
8 m/s NE is an example of vector or scalar?
Vector
300
If a person walked at 2 m/s for 12 s he/she would travel a distance of ________.
6 m/s
300
A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike.
a = 0.712 m/s/s
300
Multiplying or dividing vectors by scalars results in
Vector
400
While on vacation, Lisa Carr traveled a total distance of 440 miles. Her trip took 8 hours. What was her average speed?
55 Miles per hour
400
A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car and the distance traveled.
a = 11.2 m/s/s and d = 79.8 m
400
An ant on a picnic table travels 3.0*10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position?
29 cm
500
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of:
720 Kmph
500
The observation deck of tall skyscraper 370 m above the street. Determine the time required for a penny to free fall from the deck to the street below.
t = 8.69 s
500
For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What is the resultant velocity of the duck?