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A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the velocity of velocity of the car?
A bucket of mass 1.50 is whirled in a vertical circle of radius 1.20. At the lowest point of its motion the tension in the rope supporting the bucket is 25.00 N. Find out the speed of the bucket. How fast must the bucket move at the top of the circle..
A proton beam in an accelerator carries a current of 148 ?A. If the beam is incident on a target, how many protons strike the target in a period of21.0 s
A 48.21 {rm kg} ice skater spins about the vertical axis through her body with her arms horizontally outstretched, making 2.20 turns each second. The distance from one hand to the other is 1.5 {rm m}. Biometric measurements indicate that each hand na..
A jeweler working with a heated 43 gram gold ring must lower the ring's temperature t make it safe to handle. If the ring is initially at 94 degrees Celsius, what mass of water at 22 degrees Celsius is necessary to lower the ring's temperature to 38 ..
As a summer intern for a microscope company, you are designing a compound microscope for a client that provides you with the following information. determine the barrel length needed for the microscope
Imagine two 5.0 g bags of protons, one at the earth's north pole and the other at the south pole. Calculate the electrical repulsion that each bag exerts on the other.
A small piece of Styrofoam packing material is dropped from a height of 1.50 m above the ground. Until it reaches terminal speed, magnitude of its acceleration is given by a = g - bv. After falling 0.40 m, the styrofoam effectively reaches its ter..
Visitors at a science museum are invited to sit in a chair to right of a full-length diverging lens (f1 = -3.06 m) and observe a friend sitting in a second chair, 1.84m to the left of the lens.
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
Find out the final speeds of the two objects. What is the angle at which the object with mass 3m is scattered?
The springs of a 1300kg car compress 6.00 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations.
A converging lens (f = 14.9 cm) is located 24.6 cm to the left of a diverging lens (f = -7.07 cm). Locate the final image of the stamp relative to the diverging lens
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