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Solve the following problems:
Problem 1) By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68 µF) into the cold night air in Nome, Alaska (-40 µF). Assume the ball is made out of a material that has a linear coefficient of expansion of 6.85 × 105 µC.
Problem 2) If the diameter of the hole is 9.00cm at 20oC and the temperature of the oven is 200?C, what will be the new area of the hole?
Explain the each part of above problem in detail for help.
The Earth is 1.49 ? 1011 meters from the sun. If the solar radiation at the top of the Earth's atmosphere is 1 340 W/m2, what is the total power output of the sun?
The parallel axis theorem provides a helpful way to calculate the moment of inertia I about an arbitrary axis. The theorem states that I =Icm + Mh2, where Icm is the moment of inertia of the object relative to an axis that passes during the center of..
A microwave oven is powered by an electron tube called a magnetron, which generates electromagnetic waves of frequency 3.46 GHz. determine the speed of the microwaves
A 58.0 kg girl weighs herself by standing on a scale in an elevator as it is moving up. The force exerted by the scale is 771.4 N. What is the acceleration of the elevator? Take accelerating up to be positive and down to be negative.
A comet has a very elliptical orbit with a period of 121.0 y. what is its greatest distance from the Sun
The block is spun at 50 , then the temperature of the rod is slowly increased. When the wax melts, the block slides out to the end of the rod. Illustrate what is the final angular velocity?
A 3.00-kg block starts from rest at the top of a 29.0° incline and slides 2.00 m down the incline in 1.65 s. Find the frictional force acting on the block
A straightforward method of computing the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder. Find what is the density of a 220 gram rock that displaces 87.0 cm3 of water
A 1 025-kg satellite orbits the Earth at a constant altitude of 98-km. What is the change in the system's potential energy
Two coils are wound around the same cylindrical form. When the current in the first coil is decreasing at a rate of -0.240 A/s , What is the mutual inductance of the pair of coils
Research the mirror and optical system of the Hubble Space Telescope. Construct a scale drawing of the optical system, describe how this design differs from the basic Newtonian reflector system, and make several comparisons among the capabilities of ..
A circular curve of highway is designed for traffic moving at 75 km/h. If the radius of the curve is 155 m, what is the correct angle of banking of the road
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