The average velocity can be calculated from the slope of the graph
Explanation:
In a position-time graph, the position is represented on the y-axis while the time is represented on the x-axis.
The slope of the graph is given by:
where
is the change in the y-variable
is the change in the x-variable
However, we have:
- corresponds to the change in position, therefore it is the displacement
- corresponds to the change in time
This means that the slope can be rewritten as
However, this ratio corresponds to the definition of average velocity:
Therefore, the slope of a position-time graph gives the average velocity.
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Answer:
The distance traveled by car before stopping is
Explanation:
Given
Initial speed of car
Final speed of the car
Acceleration of the car
Let distance traveled before stopping be s
Using equation of motion
=>
=>
Thus the distance traveled by car before stopping is
Answer:3500N
Explanation:
mass=700kg
acceleration=5m/s^2
Force=mass x acceleration
Force=700 x 5
Force=3500
Force=3500N
I'm thinking that the answer may be change of speed.
<span>Baseball bat. The handle of the bat is the fulcrum. Exerting a force from the handle supplies the input force just near the middle, while the other end of the baseball bat pushes the ball with the output forces. The input force is greater than the output force but the output load is able to move farther, and this increases the ball's velocity.</span>