Title: How does a moving cart rolling down a slope? Objectives: Adapt the traditional vertical and horizontal axes to a coordinate system aligned with a slope. Determine the acceleration of a cart that rolling down from a frictionless track (our assumption) by calculating theoretically and measuring experimentally. Compare the experimental and expected values of acceleration. Show that the acceleration of a cart moving down a slope (from frictionless track) is dependent on the angle of the slope
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Purpose: To find the initial velocity of a marble leaving a ramp using time‚ range‚ and background information learned in class. Equipment: The equipment used in this experiment was a toy track and ramp‚ a small marble‚ multiple Physics textbooks‚ meter sticks‚ bright-colored cardstock‚ masking tape‚ sidewalk chalk‚ plastic bag and a cloth. Procedure: Our experimental values include the height that the marble would travel‚ y= 88.1 cm‚ and our ramp angle‚ θ= 44.0°. These independent variables
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that are most commonly used: 1. Uniform Velocity (straight line) motion – UVM 2. Simple Harmonic Motion – SHM 3. Uniformly Accelerated motion (Parabolic Motion) – UAM or PM 4. Modified Uniform-Velocity Motion – MUVM a. Arc method – MUVM-Arc b. Uniform Acceleration Method – MUVM-UAM 5. Cycloidal Motion – CM A. Uniform Velocity Motion (Straight Line Motion) If the follower is to move with uniform velocity‚ its displacement must be the same for equal
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speed of 26.8 m/s? 2. A bowling ball with a negative initial velocity slows down as it rolls down the lane toward the pins. Is the bowling ball’s acceleration positive or negative as it rolls toward the pins? 3. Nathan accelerates his skateboard uniformly along a straight path from rest to 12.5 m/s in 2.5 s. a. What is Nathan’s acceleration? b. What is Nathan’s displacement during this time interval? c. What is Nathan’s average velocity during this time interval? 4. Critical Thinking Two cars are
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of design will experience three phases of apparent weight: the lifting‚ falling and braking stages. At first‚ the rider will feel heavier as the carriage accelerates. Then‚ as the velocity is constant‚ the apparent weight will equal that of the real weight. Finally‚ as the ride slows at the top‚ the decreasing velocity will result in a lighter feel. During free fall‚ riders will feel weightless‚ before experiencing a dramatic increase in apparent weight during the braking stage. As the ride climbs
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uniform velocity of an object moving along a straight line. What will be shape of velocity time and position time graphs of such a motion? 10. Why fruits fall down from a tree‚ when its branches are shaken? OR Why is spring made of steel not of copper? 11. A light body and a heavy body have the same momentum . Which one will have greater kinetic energy? Justify. 12. A projectile is thrown with a velocity 5 ms¯¹at
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measured force vs time graph. Data: Item | Value | Mass of Cart | 516g | Impulse | .35N | Velocity before | .343 m/s | Velocity after | -.318 m/s | Momentum before | .177 kg m/s | Momentum after | -.163 kg m/s | change | -.340 kg m/s | Questions: 1.Why is it desirable to have the same initial speed for each data run? If speed differs‚ the momentum will be effected. As velocity increases‚ momentum increases. 2.How will raising the end of the Dynamics Track give the cart the same
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bullet of mass 10 g has a muzzle velocity of 300 m/s. Find (a) the momentum of the bullet (b) the recoil velocity of the gun if its mass is 2.0 kg. 3. A 70 kg man dives away from a stationary canoe with a velocity of 3.0 m/s parallel to the water. If the canoe has a mass of 150 kg‚ find its recoil velocity. 4. A steel sphere of mass 0.10 kg is fired horizontally with a velocity of 30 m/s into a block of plasticine of mass 1.0 kg at rest. With what velocity does the combination move away?
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related basic laws. The same considerations will help you understand the motions of Earth satellites‚ of which there is one natural one and many artificial ones. Angular Measure Motion is described as a time rate of change of position. Angular velocity involves a time rate of change of position‚ which is expressed by an angle. It is important to be able to relate the angular description of circular motion to the orbital or tangential description‚ that is‚ to relate the angular displacement to
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what is his net velocity? If the river is 0.5 miles wide‚ at what point will he land on the other side? Solution: The first step in problem solving is to identify the problem type. In this problem we are asked for a ‘net velocity.’ Since velocities behave as vectors‚ then we have a vector addition problem. A figure is drawn with the vectors indicated. Here vb is the boat’s velocity (still water)‚ vr is the river’s velocity‚ and vnet is the resultant (net) of these two velocities. The vector equation
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