pleaze hep solve these 1. What does the slope of a speed-time graph indicate? Draw the graph also. 2. What does the slope of a distance-time graph indicate? Draw the graph here. 3. Give example of a motion where an object does not change its speed but its direction of motion changes continuously. 4. What can you say about the motion of a body if its speed – time graph is a straight line parallel to the time axis.
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Answer:
1)A sloping line on a speed-time graph represents an acceleration . The sloping line shows that the speed of the object is changing. ... The steeper the slope of the line the greater the acceleration.
2)The slope of a displacement time graph represents the speed at which you are moving away from the starting point: it is the outward velocity.
3)One example of a motion, where an object does not change its speed but its direction of motion changes continuously is the "uniform circular motion".
4)The motion of an object if its speed-time graph is a straight line parallel to the time axis. Because, the speed of the object is not changing with time it means the object shows the uniform motion. So, the object is moving with uniform speed.
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Answer:
1)A sloping line on a speed-time graph represents an acceleration . The sloping line shows that the speed of the object is changing. ... The steeper the slope of the line the greater the acceleration.
2)The slope of a displacement time graph represents the speed at which you are moving away from the starting point: it is the outward velocity.
3)One example of a motion, where an object does not change its speed but its direction of motion changes continuously is the "uniform circular motion".
4)The motion of an object if its speed-time graph is a straight line parallel to the time axis. Because, the speed of the object is not changing with time it means the object shows the uniform motion. So, the object is moving with uniform speed.
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