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1. The decimal place of the standard error coincides with the least significant digit and determines the number of significant figures in the values of h and d. Because these are used to calculate the experimental value of ,g, they determine the number of significant figures in your value of g. How many significant figures are in your values of ir and d, and how many are in your experimental value of g?
2. Would friction tend to cause your experimental value for g to be greater or less than 9.80 m/sec2? In which direction is your error for the value for g? Could friction be the cause of your observed error? State your reasoning.
3. What was the instantaneous velocity of the cart at x=4.00 meters assuming your value of the acceleration a is correct? Show your work.
4. State how well the objectives of this laboratory were met. State your evidence for your opinion.
the velocity of an airplane is 50km/hr due north. the plane the plane flies into a cross wind of 50km/hr due east at a right angle
A student is looking at a monochromatic light source and is looking for the third bright fringe. At what angle should the student look for the third bright fringe
A student wishes to determine the coeffiecient of static between a block of material and a wooden board. determine the coefficient of kinetic friction
An energy-efficient lightbulb, taking in 23.0 W of power, can produce the same level of brightness as a conventional bulb operating at power 100 W. The lifetime of the energy-efficient bulb is 10,000 h and its purchase price is $17.00, whereas the..
Two sheets of polarizing material are placed with their transmission axes at right angles to each other. What is the intensity of the transmitted light when the middle sheet is removed
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What is your reaction time
the motion of a 25.0kg mass on the end of a string is uniform motion. the magnitude of the tangential velocity of the mass is 5.0m/s. calculate the angular momentum of the mass
John who is a member of NGO missed the meeting of his protest group at the refinery, How far from the refinery should John enter the water
in a physics lab experiment a spring clamped to the table shoots a 19g ball horizontally. when the spring is compressed
A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0 rad/s2. Obtain how many revolutions does it make while slowing down before coming to rest
A diffraction pattern forms when light passes during a single slit. The wavelength of the light is 686 nm. Decide the angle that locates the first dark fringe when the width of the slit is (a) 1.7 x 10-4 m and (b) 1.7 x 10-6 m.
Consider a star of mass M=10Msun, composed entirely of fully ionized C-12. Its core temperature is 6*10^8K. Suppose the star produces energy via the reaction C12 + C12 --> Mg24. the atomic weight of C12 is 12, and that of Mg24 is 23.985. What fractio..
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