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The correct answer to the question “What is the magnitude of the displacement of the car from t=2.0 seconds to t = 4.0 seconds in the graph below?” wherein the graph “shows the velocity of a race car moving along a straight line as a function of time” is letter B or 20....Read More

5 Answers

Stays the same because its a straight line going at a constant rate

5 Answers

The answer is 3. The interval in which the cart is moving forward at constant speed is BC. This question has to do with graphine motion and time displacement. Graphing motion is very important in physics. Physics is the scientific study of matter and the way it moves throughout time and...Read More

4 Answers

4 is the incorrect answer.

the correct answer is 3

4a) represents an increase of speed over time

4b) represents a constant speed over time

3a) represents a constant decrease in speed over time

3b)represents a constant speed over time without elaborating on a...Read More

the correct answer is 3

4a) represents an increase of speed over time

4b) represents a constant speed over time

3a) represents a constant decrease in speed over time

3b)represents a constant speed over time without elaborating on a...Read More

4 Answers

The right answer is 5 meters / sec as :

Average speed = Total distance / Total time

Average speed = 150 meters / 30 sec ( 150 / 30= 5 )

Therefore average speed = 5 meters / sec.

Another method

30 : 150

so 1 : 5

Average speed = Total distance / Total time

Average speed = 150 meters / 30 sec ( 150 / 30= 5 )

Therefore average speed = 5 meters / sec.

Another method

30 : 150

so 1 : 5

3 Answers

The answer is A. According to the graph, the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds is 10 m/s. Motion is a topic commonly talked about and explored in physics. Motion is when an object changes in position over a certain period of time.
The study of...Read More

3 Answers

In mathematics a type of graphing involves finding slope. The formula for slope can be said to be slope equals the second y coordinate minus the first y-coordinate over the second x-coordinate minus the first x-coordinate.
With this in mind, the slope of an object accelerating at a consta...Read More

3 Answers

I understand that the SI unit of time is second and time is a fundamental quantity

3 Answers

The export of heat from deep in the mantle to the top of the asthenosphere is thought to drive the lateral motions of earth’s lithospheric plates. In geology, mantle is a layer that is inside a terrestrial planet. These terrestrial planets include Venus, marks, Earth, and...Read More

3 Answers

The car is a distance time graph which means that the gradient of the graph represents the speed. The steeper the gradient the faster the car. In this case, car B has the lowest gradient and is therefore, the least steep. This means that it has the slowest speed. Moreover, it also means that...Read More

3 Answers

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