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Experimental measurement of the angles and sides of a right triangle:
Questions: A. Draw a triangle with sides measuring 8, 12, and 14.4 units. With a protractor measure the angles. Then compute the angles trigonometrically. B. What would happen in your previous experiments if the wall or building were not perpendicular to the ground? C. What uncertainty is introduced into the experiment by using a tape measure to measure the sides of the triangle? D. To what degree of accuracy can you read a protractor?
The electric field 0.325m from a very long uniform line of charge is 760N/C. How much charge is contained in a section of the line of length 1.20cm
The maximum wavelength for which an electromagnetic wave can ejectelectrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
What is the average temperature of the surface of the Sun? How long does it take for light from the Sun to reach Earth? Why do astronauts in the International Space Station feel weightless
A gas is compressed adiabatically by a constant force of 10 N that acts over a 0.5 m distance. What is the change in the internal energy of the gas
The electromagnetic waves used in a microwave oven has a wavelength of 13.34 cm. What is the frequency of this radiation
Two flexible balls rolling along a frictionless horizontal surface collide with each other. The Larger of the balls weighs 50g and the smaller weighs 30g. find the acceleration of the center of mass of the smaller ball
In an effort to stay awake for an all-night study session, a student makes a cup of coffee by first placing a 200 W electric immersion heater in 0.320kg of water.
A computer hard disk 8.0 cm in diameter is initially at rest. a small dot is painted on the edge of the disk. The disk accelerates at 620 rad/s2 for 1/2s, Through how many revolutions has it turned
The compound gear to the right is located inside a truck, whose engine rotates the driving gear with a torque of 816 N·m. find the moments of inertia of both the large and small gears
A 1010 kg car and 4600 kg truck undergo a perfectly inelastic collision. Find the velocity of the wreckage immediately after the collision
Calculate the time constant that is equal to the time taken by a capacitor to fully charge or discharge.
A non-uniform beam of length 4.41m and weight 1.02kg makes an angle of 25.2 with the horizontal. Find the vertical component of the force exerted on the beam by the pivot
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