object moving with a constant acceleration can certainly slowdown‚ But can an object ever come to a permanent halt if its acceleration truly remains constant? Explain. -An object can never come to a complete stop if its acceleration remains constant because even if the velocity reaches zero‚ it will just continue‚ probably in the opposite direction #2 An airliner reaches its take off speed of 334 m/s from rest in 35.2 s. What is the magnitude of its average acceleration? -D=vt D=334m/s(35.2s)
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Unit 1 HW 16.2: Acceleration 2 Name: Date: Period: UNIT I Acceleration 2 The problem v vs t graph Solution 1. A poorly tuned Yugo can accelerate from rest to a speed of 28 m/s in 20 s. a) What is the average acceleration of the car? b) What distance does it travel in this time? a = (28-0m/s)/20s = 1.4 m/s/s x = 1/2at2 = ½(1.4)(20)2= 280m 2. At t = 0 a car has a speed of 30 m/s. After 6 s‚ its speed is 15 m/s. What is its average acceleration during this time interval
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Constant Acceleration‚ Velocity and Displacement On A Downward Ramp 3/3/2014 Purpose: To determine the velocity and acceleration of an object at different positions going down a ramp at four different angles. Hypothesis: If an object is accelerating at different angles then the larger angles will always have the largest acceleration. Materials: Ramp Miniature car Ticker Machine Masking tape Ticker tape Carbon paper Power supply Ruler Procedure: 1. A ramp
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skateboard out of his way. Calculate the initial acceleration A solo arctic adventurer pulls a string of two toboggans of supplies across level‚ snowy ground. The toboggans have masses of 95kg and 55kg. Appling a force of 165N causes the toboggans to accelerate at 0.61m/s2. Find the tension in the rope attached to the second toboggan. A 75kg man is standing on a scale in an elevator when the elevator begins to descend with an acceleration of0.66 m/s2. What is the reading on the scale while
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Physics C-110 Module 1 Chapter 1 1. What is science? Science is a body of knowledge that is ever changing. It is made up of not only facts but also theories that are made up of well-tested hypotheses. 2. Distinguish among the scientific fact‚ hypothesis‚ law and theory As stated above‚ a theory is made up of well-tested hypotheses‚ which in themselves are well educated guesses yet to be proven. A fact is something that can change over time even though it was agreed upon by knowledgeable
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Projectile Motion Lab Report Objectives: This laboratory experiment presents the opportunity to study motion in two dimensions‚ projectile motion‚ which can be described as accelerated motion in the vertical direction and uniform motion in the horizontal direction. Procedures and Apparatus: |Rubber Ball |White sheets of papers | |Metal Track |Water | |Books |Table | |Meter-stick
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these two components of motion can be discussed separately. The goal of this part of the lesson is to discuss the horizontal and vertical components of a projectile’s motion; specific attention will be given to the presence/absence of forces‚ accelerations‚ and velocity. A basketball being thrown up to hoop fits. When shooting‚ ball follows the same direction as a projectile in motion. Doing free throw is a projectile. It is related to a projectile as the force exerted upon the basketball is
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(the distance between the two deflecting plates)‚ and (the distance from the second plate to the coordinate screen–on which the electron’s deflection would be measured). The total displacement‚ is equal to the displacement caused by vertical acceleration () while traveling through
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Point - a point against which position is measured. B: Vector Quantity - a physical measurement that contains directional information. C: Scalar Quantity - a physical measurement that does not contain directional information. D: Acceleration - the time rate of change of an objects velocity. E: Free Fall - the motion of an object when it is falling solely under the influence of gravity. 2. No. Motion depends on the reference point that is used. 3. That depends on the
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C1. A room in a house has a floor area of 120 ft2. Which of the following is most likely the approximate volume of the room? b. 30 m3 C2. When SI units are plugged into an equation‚ it is found that the units balance. Which of the following can we expect to be true for this equation? a. The equation will be dimensionally correct. C3. How long has it been that scientists have accepted that the nucleus of the atom consists of neutrons and protons? Think of your answers in terms of order
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