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A 100 g mass is attached to a spring and undergoes simple harmonic motion. Its maximum acceleration is 15 m/s^2 and its maximum speed is 3 m/s. The period of motion is given by?
A bar of lead (bar A) is in thermal contact with a bar of silver (bar B) of the same length and area. Find the temperature at the junction when the energy flow reaches a steady state
Two converging lenses are separated by 23.00 cm. The focal length of each lens is 14.00 cm. An object is placed 39.00 cm to the left of the lens that is on the left. Decide the final image distance relative to the lens on the right.
Radio waves have frequencies in the range of 1 -100 MHz. What is the range of energy of these photons
a copper wire has a resistance of 0.425 ohms at 20.0degc and an iron wire has a resistance of 0.455 ohms at the same
A spherical ball with a radius of 2.130×10-1 m is completely submerged in a fluid that has a density of 1.023×103 kg/m3. What is the buoyant force acting on the ball
A ray of light is incident on the surface of a block of clear ice at an angle of 33.0° with the normal. Find the angle between the reflected and refracted light
A heat engine operating between 40oC and 380oC has an efficiency 60% of that of a Carnot engine operating between the same temperatures. at what rate does it exhaust heat
Experimental measurement of the angles and sides of a right triangle: To what degree of accuracy can you read a protractor
An iceboat of mass 100 kg is at rest on a frictionless frozenlake when a sudden wind exerts a force Fwind ofmagnitude 200N, What is the velocity of the iceboat
A study of the pay of corporate chief executive officers (CEOs) examined the increase in cash compensation of the CEOs of 113 companies
q1. an airplane p is heading n 80o w at 240 ms relative to the air. the wind blows from n 10o e with the speed of 41 ms
A placekicker must kick a football form a point 36.0 (about 40 yards) from the goal. By how much does the ball clear or fall short of clearing the crossbar
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