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In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.20 m. The mug slides off the counter and strikes the floor 0.60 m from the base of the counter. (a) With what velocity did the mug leave the counter? m/s (b) What was the direction of the mug's velocity just before it hit the floor?
A whale swims due east for a distance of 1.5 km, turns around and goes due west for 5.7 km, and finally turns around again and heads 4.5 km due east. (a) What is the total distance traveled by the whale? km (b) What are the magnitude and direction..
A point charge q1=5microC and is fixed in place. From a horizontal distance of 6cm a small sphere of mass 0.004 kg and charge q2=2microC is fired towards the fixed charge at 40 m/s. What is the acceleration of the sphere when it is traveling 25 m/..
A pendulum has a period of 0.80s on Earth. What is its period on Mars, where an acceleration of gravity is about 0.37 that on Earth.
The largest apple pie ever made was rectangular in shape and had an area of 7m× 12m. Consider a parallel-plate capacitor with this area. Imagine that the capacitor is filled with air and the distance between the plates is 1mm. a.
What is average kinetic energy of each helium atom
Suppose you do 457 J of work on 1.18 moles of ideal gas in a perfectly insulated container. By how much does the internal energy of this gas change.
What is the work completed by the block and tackle system?
A pipe with a 2m diameter carries water having a velocity of 4 m/s. What is the mass flow rate of the water in kg/s at the following temperatures.
What is the radius of curvature of the mirror. How far would it coast before starting to roll back down.
A 48.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.50 turns each second. The distance from one hand to the other is 1.50. Biometric measurements indicate that each hand typically makes ..
A ball is thrown straight up from the edge of the roof of the building. A second ball is dropped from the roof a time of 1.01 s later. You may ignore air resistance.
A spherical conducting shell has an interior radius of 18 cm and an outer radius of 21cm. The shell carries a net charge of -2.4 micro coulombs. A point charge of charge +6.4 micro coulombs is placed at the center of spherical shell.
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