高一物理-加速度-英语试题.doc

Sample Questions Exam1. If the following data of displacement s vs. time t is plotted on an s-t graph (s being on the vertical axis), what will the graph be? t(s)0.01.02.03.04.05.06.07.08.09.010.0s(m)0.02.04.06.06.06.06.07.08.09.010.0Determine the different slopes of the graph. What does the slope represent?2. a) Define average velocity.b) The x-t graph of a 1-D motion passes through points A(3s, 4m) and B(5s, 10m). What is the average velocity in the displacement AB?3. a) Define average velocity.b) The x-t graph of a 1-D motion passes through points A(3s, 4m) and B(5s, 10m). What is the average velocity in the displacement AB?4. a) Given the displacement versus time graph of a body, how to determine graphically the velocity at any instant t?b) If the graph is a straight line, what does its slope represent?c) What does a zero slope represent?5. Using the data from the previous example, complete the table below, then plot the data of velocity v vs. time t on a v-t graph (v being on the vertical axis). t(s)0.01.02.03.04.05.06.07.08.09.010.0v(ms-1)The velocity of an object is plotted against time. If the velocity is constant, then what will the graph be? What is the velocity when the slope is zero?6. The v-t graph of a certain motion is a straight line. What does the slope of this line represent? 7. a) Define average acceleration.b) The v-t graph of a 1-D motion passes through points A(2s, 3m/s) and B(5s, 12m/s).What is the average acceleration in the interval [2s, 5s]?8. a) How can we determine the displacement in any time interval using a v-t graph?b) Using the v-t graph given below,Find the displacement in the intervals, [0 s, 4 s], [9 s, 12 s], and [17 s, 24 s].9. a) How can you determine the displacement from the v-t graph? t(s)0.01.02.03.04.05.06.07.08.09.010.0v(ms-1)b) Using the graph representing the above data, find the displacement from: (a) t = 0 s to t = 1.0 s.(b) t = 0 s to t = 2.0 s.(c) t = 2.0 s to t = 3.0 s.(d) t = 4.0 s to t = 6.0 s.(e) t = 6.0 s to t = 10.0 s. 10. For motion with constant velocity, what is the relation between displacement, velocity and time taken?11. a) For motion with constant velocity, what is the relation between displacement, velocity and time taken? b) A car moving at 20 m/s passes by a point x = 5m at t = 1s; find x after 4 seconds.12. When to use the equation s = for displacement? A car accelerates from rest in a straight line at a constant rate of 4.0 m/s2 for 4.0 seconds then moves at constant speed for a further 2.0 seconds. Find the displacement of the car in the first 3 seconds.。