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Pick one lab from the following list: Deflection of Electrons in an Electric Field, RC Circuit, Fine Beam Tube, and Thin Lenses. Answer the following questions, each in a sentence or a short paragraph:
(1) Which lab did you pick?
(2) Suppose you found that your result is off by a factor of 100, or 10000%. What do you think might have gone wrong? Give two possibilities.
(3) Now suppose you corrected your mistake but still found an error of 50%. What do you suppose could be some possible reasons? List two of those.
(4) Name two things that you must be careful about when carrying out this experiment in order to minimize the experimental error.
A dynamite blast at a quarry launches a rock straight upward, and 1.7 s later it is rising at a rate of 14 m/s. Calculate its speed at launch
A metal ball with a mass of 3.23·10-6 kg and a charge of +4.47 mC has a kinetic energy of 7.55·108 J. how close will it come to the plane before stopping
The primary of a transformer is connected to a source of voltage that has two components: an alternating current (AC) component of 120 volts and a steady direct current (DC) component of 5 volts. The number of turns of the primary is 300 and the t..
a rubber ball mass 0.27 kg is dropped from a height of 1.8 m onto the floor. just after bouncing from the floor the
Describe how Newton's three laws of motion involved in the process of lifting a weight using the high pulley. Consider, too, what would happen if the floor and seat where completely smooth. Is this a process in which momentum and energy are conserved..
A head-on, elastic collision between two particles with equal initial speed vleaves the more massive particle (massm1) at rest. Find the ratio of the particle masses
A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 3.7 × 104 kg, and the force causes its speed to change from 7600 to 5500 m/s. What is the work done by the force
An amusement ride consists of a car moving in a vertical circleon the end of a rigid boom. The radius of the circle is 10 meter.The combined weight of the car and riders is 5.0 kNewton. At thetop of the circle the car has a speed of 5.0 m/s.
Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 2 cm, the other a focal length of 1 cm. What will be the magnification of your microscope
An electron has a velocity of 6.0 x 10^6 m/s in the positive x direction at a point where the magnetic field has the components Bx=3.0T, What is the magnitude of the acceleration at this point
The temperature of 2.00 moles of argon gas is lowered from 2.80 x 10^2 K to 1.90 x 10^2 K. Find the change in the average kinetic energy per atom.
Velocity and acceleration: consider a velocity vector given in standard unit vector form in rectangular Cartesian coordinates as: v→(t) = (3t4i^ + 7t5/2j^ + 5e2tk^)m/s -What is the acceleration at 2 seconds?
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