acknowledgement. 香港考試及評核局 保留版權 2 01 0 © Hong Kong Examinations and Assessment Authority All Rights Reserved 2010 TABLE OF CONTENT Task Title E1 Relationship between pressure and volume of a gas E2 Newton’s second law of motion E3 Centripetal force E4 Focal length of a convex lens E5 Internal resistance of a battery Physics and CS(Physics) Sample SBA Task Practical Skills ( %) Reporting %) ( Total E1 Relationship between Pressure and Volume of Gas Name : Class : No.:
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PHYSICS 1 FAP0015 Questions & Answers to Physics I Assignments Chapter 1 11. What‚ roughly‚ is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 2.86 ± 0.09 m? Answer: To find the approximate uncertainty in the volume‚ calculate the volume for the specified radius‚ the minimum radius‚ and the maximum radius. Subtract the extreme volumes. The uncertainty in the volume is then half this variation in volume. 3 Vspecified = 4 π rspecified = 4 π ( 2.86 m ) = 9
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rounded and is actually more of a “squashed” sphere; therefore‚ this causes the radiuses of the equator and the poles to be slightly different. The gravitational acceleration is 9.78 m/s2 at the equator and 9.83 m/s2 at the north and south poles (Masters‚ 2002). These different gravitational accelerations is also known as centripetal acceleration‚ and it has a minute change on different locations on the
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angle of θ with an angular velocity of ω and an angular acceleration of α‚ then you can use these equations to tie these values together. You must use radians to measure the angle. Also‚ if you know that the distance from the axis is r‚ then you can work out the linear distance traveled‚ s‚ velocity‚ v‚ centripetal acceleration‚ ac‚ and force‚ Fc. When an object with moment of inertia‚ I (the angular equivalent of mass)‚ has an angular acceleration‚ α‚ then there is a net torque Στ. Carnot engines
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Well getting into detail on the ride has some very descriptive vocabulary words. The feeling when you you first go onto the ride and you’re super scared but that’s not all. The scientific word is you hit the drive tire that is what gives you centripetal force which than gets you to the top. When you hit the top you feel weightless which is a very interesting feeling for your body that’s one the rare moments you feel weightless. Feeling
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your car. When you hit your brakes‚ it stops the tires‚ and that dragging is creating friction. 6. Traction- Its a force that makes heat and helps the tires keep traction on the road. 7. Centrifugal Force- 8. Centripetal Force- 9. Deceleration- Deceleration‚ the opposite of acceleration‚ is the slowing down of your vehicle. 10. Force of impact- Force of impact would be the speed of the vehicle when it hits something. Module 4: Signs‚ Signals & Pavement Markings 1. Explain the purpose of the
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examples are Round-Up and Ferris wheel. All amusement rides that involve circular motion for the participants generate a range of physiological effect because of the effects of force of gravity and reaction forces on you the passenger and of centripetal acceleration. Ferris wheel is under the type Vertical Circular Motion which has the formula: (for Non-Uniform Circular Motion) N=mg{V^2/rg+cosθ } (for Uniform Circular Motion on top) N_top=mg{V^2/rg-1} (for Uniform Circular Motion
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Have you ever been looking for a ride that will really give you an adrenaline boost? Well the Unsuspecting Ride is the best for you! Its unique-ish style allows one to get really dizzy and feel like you will fall off at any time! But you will be safely tucked into the train. It features a 500 foot climb which leads to a loop while going down the hill‚ and featuring a quadruple spin downward and a 350 foot climb assisted by more launching systems to help you feel like you are in a fast car. It then
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that this was because of Newton’s second law stating that an object experiencing an outside force will move in the direction due to that force. 2. While riding the Wheel of Fate while it was moving‚ I our cart experienced a greater amount of acceleration at the bottom of the ride‚ mainly because the magnitude of the forces acting upon it while at the bottom was greater than any other position. I also noticed that the position of the horizon varies as I moved along with the cart. 3. I felt a greater
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truth to space -- that spatial differences are not dependent upon the matter contained within space. In his Principia‚ he states that the difference of relational and absolute space becomes manifest in the consideration of place‚ velocity‚ and acceleration. These considerations serve to metaphysically establish absolute space in themselves. However‚ Newton attempts to support the existence experimentally in his famous ’bucket experiment’. Through an explication of his reasoning and an analysis
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