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An ice chest at a beach party contains 12 cans of soda at 3.41 °C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 6.24-kg watermelon at 26.9 °C to the chest. The specific heat capacity of watermelon is nearly the same as that of water. Ignore the specific heat capacity of the chest and decide the final temperature T of the soda and watermelon in degrees Celsius.
a merry-go-round spins without friction. the merry-go-round is a circular disk of mass m and radius r and that it is
A magnetic field of 1.4 T is perpendicular to a square coil of 14 turns. The length of each side of the coil is 4 cm. Discover the magnetic flux during coil. Find the magnetic flux during the coil if the magnetic field makes an angle of 45? with the ..
A speaker is mounted on a vertical pole at the similar height as your ear. A second speaker is mounted on the same pole, 3.0 meter above the first speaker. Explain the interference you hear standing near the pole
a stone is thrown upward at an angle of 43degrees above the horizontal. it's maximum height during the trajectory is 55m. what was the stone's initial speed
question how large an emf rms will be generated in an antenna that consists of a 426 loop circular coil of wire 1.54 cm
An uncharged capacitor is connected to the terminals of a 2.0V battery, and 9.0?C flows to the positive plate, How much additional charge flows to the positive plate
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind, What is the speed of the police car
A 3kg object moving along the positive x direction with a speed of 10m/s exploeds into a 2kg and a 1kg fragments. what is the speed of the 2kg fragment?
You push a block with a constant force of magnitude 12.5N for adistance of 10 meters. The block weighs 10 kg, and startsfrom rest. What is its final velocity
arie van wijngaarden shoots a puck at his goaltender father. arie stands 30 meters from a net having dimensions 3
In the figure, two particles, each with mass m = 0.82 kg,are fastened to each other, and to a rotation axis at O,by two thin rods, each with length d = 5.7 cm and massM = 1.4 kg. The combination rotates around the rotationaxis with angular speed ω..
A square plate of copper with 54.0 cm sides has no net charge and is placed in a region of uniform electric field of 84.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate
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