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A4.05 kg block of ice at 0.00 degree C falls into the ocean and melts. The average temperature of the ocean is 3.35 degree C, including all the deep water.
Part A By how much does the melting of this ice change the entropy of the world?
Part B My Answers Give Up Does it make it larger or smaller?
A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23.6 m/s at an angle of 48.0°..
An electric generator contains a coil of 120 turns of wire, each forming a rectangular loop 60.0 cm by 36.7 cm. The coil is placed entirely in a uniform magnetic field by magnitude B= 4.78 T and initially perpendicular to the coil's plane.
Two new particles, which have identical positive charge q3, are placed the same 0.0434 meters apart, and the force between them is measured to be the same as that between the original particles, What is q3
A wheel rotates about a fixed axis with an initial angular velocity of 25 rad/s. During a 4.0-s interval the angular velocity decreases to 10 rad/s. How many radians does the wheel turn
a series ac circuit contains a resistor an inductor of 240 mh a capacitor of 4.40 microf and a source with ?vmax 240 v
A point source of light is submerged 2.3 m below the surface of a lake and emits raysin all directions. What is the maximum radius that this circle could have
a runner starts from rest and in 3 seconds reaches a speed of 9 ms. if we assume that the speed changed at a constant
Joe's boat leaves the harbor and heads straight for Treasure Island, which is 32 degree north of west. Joe travels 19 kilometer to reach the island. Determine the total distance Jake travels from the harbor to the island
a constant horizental force of 10N is applied to a wheelof mass 10 Kg and radius 0.300 m as shown in the diagram. what is the rotational inertia of the wheel about an axisthrough its center of mass and perpendicular to the plane of thewheel
q1. according to the guinness book of world records 1990 edition p. 169 the highest rotary speed ever attained was 2010
A pebble is released from rest at a certain height and falls freely, reaching an impact speed of 2 m/s at the floor. What is its speed at the floor
A father pulls his identical twins on identical sleds tied one after the other. He exerts a force F that makes an angle of 30degrees with the horizontal, What is the tension in the rope that he is pulling
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