Step 5: Repeat the experiment so that the object is pulled with a different constant force. At the same time, use the motion detector to record the velocity of the object as a function of time. Step 4: Use the force probe to pull the object across the horizontal surface with a constant force as the force probe measures force exerted on the object. Step 3: Hang a motion detector above the object so that the front of the motion detector is pointed toward the object and is perpendicular to the direction that the object can travel along the surface. Step 2: Attach a force probe to the object. Rearrange numbers in an array such that no two adjacent numbers are same. Count ways to generate N-length array with 0s, 1s, and 2s such that sum of all adjacent pairwise products is K. Step 1: Place the object on a horizontal surface such that frictional forces can be considered to be negligible. Ways to arrange Balls such that adjacent balls are of different types. The object is known to have an inertial mass of 1.0kg. The student uses the following procedure. After both balls have traveled half their vertical distance to the floor, what is the acceleration of the center of mass of the two-ball system relative to Earth?Ī student must determine the relationship between the inertial mass of an object, the net force exerted on the object, and the object's acceleration. Suppose that Experiment 1 and Experiment 2 are conducted at the same time one student drops the ball from rest at the same instant that a second student horizontally rolls an identical off the table. The graphs from each experiment are shown above along with each graph's best-fit curve line. In Experiment 2, the student horizontally rolls the same ball off a table, and uses video analysis to plot the ball's horizontal position x and vertical position y as a function of time t starting from the instant the ball leaves the table. Using video analysis, the student is able to plot the ball's horizontal position x and vertical position y as a function of time t. In Experiment 1, the student releases a ball from rest and uses a slow-motion camera to film the ball as it falls to the ground. A student wants to investigate the motion of a ball by conducting two different experiments, as shown in Figure 1 and Figure 2 above.
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