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A block of ice at 0C is added to a 59.8 gram aluminum calorimeter cup that holds 333gram of water at 17.7C . If all but 6.52 gram melts, find what was the original mass of the block of ice?
A boy uses this string to whirl a 10-kg stone in a horizontal circle of radius 10 m. The boy continuously increases the speed of the stone. At approximately illustrate what speed will the string break?
a solenoid has a diameter of 12cm when a current i exists in its winding a uniform magnetic field of magnitude B = 30mT is produced in its interior. Calculate the magnitude of the induced electric field
An electron is initially at rest. It is accelerated through a potential difference of 400 V. What is the kinetic energy of this electron
A ball is thrown against a smooth wall. The bass has mass 6.0g and strikes the wall in the perpendicular direction with a speed of 12 m/s. what is magnitude of the impulse delivered by the wall
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 790-kg car traveling with a velocity of +2.40 m/s. What is the final velocity of each vehicle
A diver 60 m deep in 10 C fresh water exhales a 1.5-cm-diameter bubble. find the bubble's diameter just as it reaches the surface of the lake
A stone held just beneath the surface of a swimming pool isreleased and sinks to the bottom at a constant speed of 0.48 m/s.What is the apparent speed of the stone, as viewed from directlyabove by an observer who is in air?
A student plays around with a 1.0m ruler that can be setup in a stand by means of a knife edge clamp. He puts the knife edge clamp, and the pivot point, at the point where the ruler reads 30 cm. The student realizes this is not a stable position a..
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.19 x 104 m/s, What is the orbital speed of the second satellite
The wheels, axle, and handles of a wheelbarrow weigh W = 59 N. The load chamber and its contents weigh WL = 691 N. Find the magnitude of the man's force for both designs
A 200-g block of copper at a temperature of 90 degreesCelsius is dropped into 400 g of water at 27 degrees Celsius. What is the final temperature of the mixture
Find the specific gravity of the wood
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