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1.8 kilograms of water are changed
(a) from ice at 0ËšC into liquid water at 0ËšC and
(b) from liquid water at 100ËšC into steam at 100ËšC. For each situation, determine the change in mass of the water.
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, but a uniform water current flows with speed 2.92 m/s in the southeast direction. What direction should th..
The velocity of the bal
In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis as shown in the figure below. what rate of revolution is needed
Block A of Figure has a velocity of 15 ft/sec down slope. How far will the block slide along the slope? How far will the block slide along the slope before stopping?
A student places an object on the 5.0 cm mark of the meter stick. He places a positive lens that he knows has a focal length of 15.0 cm at the 30.0 cm mark on the meter stick. From the data what is the focal length of the negative lens
A ship sets out to sail to a point 182-km due north. An unexpected storm blows the ship to a point 158-km due east of its starting point. How far must it now sail to reach its original destination.
A cart of mass M1 = 5.00 kg and initial speed = 4.00 m/s collides head on with a second cart of mass M2 = 3.00 kg at rest. find the speed of M2 after the collision
A generator at Hoover Dam can supply 396 MW of electrical power. Find the rate with which falling water must supply energy to the turbine
Two lenses, one converging with focal length 21.0cm and one diverging with focal length ? 10.0cm , are placed 25.0?cm apart. Find the final image distance from second lens
The force on a thin wire from A to B is 500 Ib. What are the magnitude of the force parallel and Perpendicular to an axis line that starts at the origin and goes to the point C ( -2i+7j+3k)m ?
Suppose you are at the earth's equator and observe a satellite passing directly overhead and moving from west to east in the sky. How far above the earth's surface is the satellite's orbit
Light from a helium-neon laser (?=633nm) is used to illuminate two narrow slits. What is the spacing (in mm) between the slits
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