the distance from the edge of the table to the end of the ramp. • Roll the ball down the ramp and off the table but make sure to catch the ball as soon as it leaves the table; do this part 10 times and record the times • Calculate average velocity for this step • Measure the height (vertical distance or the y-axis) of the table. • Using this height‚ derive t (time) from the uniform accelerated motion in order to obtain the predicted distance x. • The next step is to release
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Reading Assignment #1: Vector Analysis Textbook Sections that I read: 2.1-3 Important Concepts: An interaction between two objects can be described and measured in terms of two forces. The force is a push or either a pull. There are two types of forces. #1 is a long range force and this force does not require the objects involved to be touching each other. An example of this is when you are holding a magnet away from a refrigerator and you are able to feel the magnetic pull. #2 is a contact force
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thrust. When an object starts to fall‚ gravity over powers air resistance‚ however‚ as an object starts to reach terminal velocity (its maximum speed) the opposite forces start to even out until they are equal. Some people believe that if the forces are balanced then the object has stopped moving‚ meanwhile they could also just be moving at a constant speed (its terminal velocity). All free-falling objects accelerate at the same speed no matter what their mass is (9.8m/s²). There are two calculations
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popular seems to be the stair climber machine. If a stair climber machine is going to be designed the information needed to be collected would vary widely. One would need to compute its angle of incline. Other things needed are the maximum and minimum velocities‚ the distance‚ vertical height of the machine‚ and a stopwatch to count the amount of time a person uses it. To calculate the weight of a person in Newtons a scale would be used. The reason the angle of incline of the machine is so important is
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each of these situations? Remember that if an object speeds up‚ then the velocity and acceleration vectors are in the same direction. If an object slows down‚ then they are in opposite directions. Any object that is traveling in a vertical direction also experiences acceleration due to gravity. Left: Object travels to left and speeds up. Down: Object is tossed upward. A ball is tossed up into the air with a velocity of 50 m/s. The figure to the left shows the position of the ball at equal
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Diameter 1 2 3 4 5 6 Average Time (s) Velocity m/sec 2mm 1.62 1.54 1.60 1.63 1.55 1.78 1.62 0.155 3mm 1.10 1.15 1.11 1.19 1.20 0.97 1.12 0.225 4mm 0.89 0.86 0.84 0.82 0.81 0.88 0.85 0.296 Six trials were conducted to measure the time for the ball to reach to the bottom of the container. The following is a sample calculation done for 2 mm diameter. The Average time for (2mm) ball =(1.62+1.54+1.60+1.63+1.55+1.78)/6=1.62 sec Terminal Velocity = Distance/(Time (avarge) ) = (0.252
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Experiment 4 Projectile Motion Introduction We examined projectile motion by observing a ball rolling down then leaving the ramp‚ thus becoming a projectile with a horizontal initial velocity. We measured the horizontal initial velocity using the photogate and computer. We measured the horizontal and vertical distances that the projectile traveled from the end of the ramp to when it hit the floor my using a meter stick to measure Experimental Set-Up In our experiment‚ we used the following:
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piston system shown‚ a piston P is connected to a crank AB (b 16 cm.) by a 2 kg slender rod B ( l 40 cm.). The mass of the crank AB can be considered to be very small. During a test of the system‚ crank AB is made to rotate with a constant angular velocity of 60 rad/s clockwise. There is no force applied to the face of the piston. When 60the distance between points D and A ‚ d‚ is 43.081 cm and the angle of connecting rod BD from the horizontal is 30o. Consider this instant when 60‚ answer
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position of a particle as it travels along the x-axis. At what value of t is the velocity of the particle equal to zero? (A) 1 s Answer: velocity = slope of x vs t line (B) 2 s slope = 0 at t = 3 s (C) 3 s (D) 4 s MCQ 2: A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m. She completes one lap in 100 seconds. What is her average velocity? (A) 2.5 m/s ∆ (B) 5.0 m/s Answer: 0 m/s ∆ ∆ (C) 10 m/s (D) 0 m/s MCQ 3: You
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average was taken and this was repeated for 5 animals at 15oC and 25oC. The calculated average velocity of the animal was also collated with class results and recorded in a table RESULTS Length-specific O2 consumption rate was shown to be slightly higher in the warmer temperature of 25oC compared to the O2 consumption rate of artemia at 15oC (Figure 1). Contrastingly‚ the opposite applies for velocity‚ with the artemia in the colder environment of 15oC showing faster speeds of movement in comparison
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