On a position-time graph, the slope indicates the velocity of the object. Therefore, the correct answer is:
B). Velocity
On a position-time graph, which of the following does the value of the slope indicate about the object?
options:
A). Total distance
B). Velocity
C). Change in direction
D). Change in position
5 answers
Which statement is an example of velocity?
option:
A). A ball rolls 50 centimeters away from the table.
B). A car travels east at 55 kilometers per hour.
C). A student walks 20 meters down the street.
D). A skateboard moves 2 meters per second.
option:
A). A ball rolls 50 centimeters away from the table.
B). A car travels east at 55 kilometers per hour.
C). A student walks 20 meters down the street.
D). A skateboard moves 2 meters per second.
The statement that is an example of velocity is:
B). A car travels east at 55 kilometers per hour.
This statement includes both a speed (55 kilometers per hour) and a direction (east), which is necessary for defining velocity.
Every few years, different countries compete in a sailboat race called the America's Cup. The boats sail over the same distance. Besides distance, what else is needed to find out the speed of each boat in the race?
options:
A). The skill of the crew of each boat in the race.
B). The time it takes for each boat to finish the race.
C). The combined size of the boats in the race.
D). The wind speed during the race.
options:
A). The skill of the crew of each boat in the race.
B). The time it takes for each boat to finish the race.
C). The combined size of the boats in the race.
D). The wind speed during the race.
To find out the speed of each boat in the race, besides distance, you need:
B). The time it takes for each boat to finish the race.
Speed is calculated as distance divided by time, so knowing the time is essential.