Experiment 1 Motion with Constant Acceleration 1. Go to http://www.walter-fendt.
ID: 2124677 • Letter: E
Question
Experiment 1
Motion with Constant Acceleration
1. Go to http://www.walter-fendt.de/ph14e/acceleration.htm.
2. Read the instruction.
3. Drag the green and red barriers to 5 m and 10 m positions (the two x readings above the digital clocks should display 5.000 m and 10.000 m).
4. Click the start button, as soon as the car has cleared the second barrier, click the Pause button and record the two corresponding clock values in table I (you may want to check the
Motion with Constant Acceleration Go to http://www.walter-fendt.de/ph14e/acceleration.htm. Read the instruction. Drag the green and red barriers to 5 m and 10 m positions (the two x readings above the digital clocks should display 5.000 m and 10.000 m). Click the start button, as soon as the car has cleared the second barrier, click the Pause button and record the two corresponding clock values in table I (you may want to check the "slow motion" box before clicking the start button). Record the values for x (distance), v (velocity), and a (acceleration) in table I. Repeat steps 3 and 4 for the new listed positions and complete table I. Explain the motion diagrams for x, v, and a. On the green panel, click the "vector acceleration" button, click reset and start. Observe the arrow in the front of the car and compare it to the previous run and describe your observation.Explanation / Answer
1. motion diagram for a is constant, for v is linearly increasing with time and for x is quadratically increasing with time. It holds true due to the relations:
v = u + at
s = ut + 0.5at^2
2. Since velocity in the first case is increasing with time, the arrow slowly grows. In the second case, acceleration does not vary with time and so, the arrow's length remains the same
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