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A spring with a mass on the end of it hangs in equilibrium a distance of 0.420 m above the floor. The mass is pulled down a distance 0.060 m below the original position, released, and allowed to oscillate. How high above the floor is the mass at the highest point in its oscillation? Show your work.
assume that a particular persons skin is found to have a resistance of 1 x 105o when dry and 1400o when wet. how much
A 62.0kg skier is moving at 6.50m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.50m long. How fast is the skier moving when she gets to the bottom of the hill
q1. a caterpillar climbs up a one-meter wall. for every 3 cm it climbs up it slides down 1 cm. it takes 10 minutes for
A mining cart is pulled up a hill at 20 km/h and then pulled back down the hill at 33 km/h through its original level. What is the average speed of the cart for its round trip
What is the potential difference between the center of the disk and the edge? (Use the following as necessary: R, B, ?.) [Hint: Think of the disk as a large number of thin wedge-shaped rods. The center of such a rod is at rest, and the outer edge mov..
The Hale Telescope The 200-inch-diameter concave mirror of the Hale telescope on Mount Palomar has a focal length of 16.9, What is the magnification of her image
If a particle of mass 4.9 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair
A 200 N object is supported by two ropes. Rope 1 makes an angle of 35 degrees with the horizontal, What is the amount of tension in each rope
A circular disk of radius 0.010 m rotates with a constant angular speed of 5.0 rev/s. What is the acceleration of a point on the edge of the disk
In a material having an index of refraction n , a light ray has frequency f, wavelength ?, and speed v. What is the frequency of this light in vacuum and in a material having refractive index n1
A person can be killed if a current as small as 50 mA passes near the heart. An electrician is working on a humid day with hands damp from perspiration. What potential difference between the two wires
A narrow glass tube, open at one end, closed at the other, is 40cm long. Determine the frequency of the moving sound source
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