10 Questions |
By Df57 | Last updated: Jun 9, 2020
| Total Attempts: 628
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Questions and Answers
1.
Does the speedometer of a car read average speed or instantaneous speed?
A.
Average speed
B.
Instantaneous speed
2.
What is the speed of a rocket that travels 9000 meters in 12 seconds?
3.
What is the speed of a jet plane that travels 528 meters in 4 seconds?
4.
After an impact involving a non-functioning satellite, a paint chip leaves the surface of the satellite at a speed of 96 m/s. After 16 seconds, how far has the chip landed?
5.
The space shuttle Endeavor is launched to an altitude of 500,000 m above the surface of the earth. The shuttle travels at an average rate of 800 m/s. How long will it take for Endeavor to reach its orbit?
6.
How long will your trip take (in hours) if you travel 350 km at an average speed of 70 km/hr?
7.
What is the speed of a walking person in m/s if the person travels 1.8 km in 20 minutes?
8.
It takes Serina 15 minutes to drive to school. Her route is 16 km long. What is Serina’s average speed in km/h on her drive to school?
9.
Troy is at the drags. He accelerates from 0 m/s to 12 m/s in 5 seconds. Calculate his acceleration.
10.
Luke is driving speed of 5 m/s and accelerates to 12 m/s. It takes him 20 seconds to accelerate. Calculate his acceleration over this time.
Speed is the rate at which a distance is covered per time. In other words, it is the rate at which an object includes distance. Acceleration defined as the rate of change of velocity of an object with respect to the time taken....
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Sample Question
Which of these cannot be considered as acceleration?
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Scalar and Vector are just two of the many quantities used in physics. Scalar is a quantity that is totally described by magnitude or size, whereas, a vector quantity is specified by both magnitudes as well as direction. So, here...
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Sample Question
Which of the following is a physical quantity that has a magnitude but no direction?