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A particle with a mass of 3.5 × 10-20 kg is oscillating with simple harmonic motion with a period of 1.9 × 10-5 s and a maximum speed of 3.9 × 103 m/s. Calculate
(a) the angular frequency and
(b) the maximum displacement of the particle.
A lightbulb has a resistance of 175 ? when operating with a potential difference of 210 V across it. What is the current in the lightbulb
Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. You find that you can project a magnified image of a light bulb onto the wall of your bathroom, What is the focal length of the mirror
A roller-coaster car moves 205 ft horizontally and then rises 133 ft at an angle of 30° above the horizontal. What is its displacement from its starting point
An object is located 5 cm to the left of a concave mirror that has a radius of curvature if 20 cm. Calculate the image distance from the mirror
A crate of mass 14.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. How much mechanical energy is lost due to friction
Water (density: 10^3 kg/m^3) flows at 15 m/s through a pipe with a raidus of .04m. What is the speed of the water flow of the pipe in the second floor
5.0kg of copper has an apparent weight of 40N when inserted into an unknown fluid. Find the density of the unknown fluid
A fire truck connects their hose (radius r1 = 5 cm) to a fire hydrant. The underground water lines have a radius of r2 = 15 cm, How high above the end of the hose will the water reach
The distance between the moon and the earth is 384,403 km, The orbital period of the moon is about 27.32 days. Calculate the average orbital speed in m/s of the moon
An orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude (in km) of the orbit (called a geosynchronous orbit)?
A bowling ball (mass = 7.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.39 kg, radius = 0.028 m) may each be treated as uniform spheres. find What is the magnitude of the maximum gravitational force
A light beam is incident on a piece of sodium chloride (n = 1.544) at the Brewster's angle. Find the angle of refraction for the transmitted ray
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