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Compare and contrast natural versus anthropogenic climate changes. Include at least two (2) specific examples of each.
A generator produces 29 kilovolts (24,000 volts divided by 1000 = 24 kilovolts) of AC and a transformer steps this voltage up to 368 kilovolts for transmission over power lines
How do humans get energy from carbohydrates? What energy source do plants use to make carbohydrates?
Point charges of 72 Q are placed at each corner of an equilateral triangle, which has sides of length 8 L. What is the magnitude of the electric field at the mid-point of any of the three sides of the triangle in units of kQ/L2?
Equal amounts of heat are added to equal masses of iron andsilver at the same intial temperature. Which metal will have the higher final temperature?
A roller coaster travels at 98.9ft at an angle of 42.9 above the horizontal. How far does it move horizontally
The charge carried by an electron is -1.60×10-19 C. Suppose that an electron moves through a voltage of 120V from the negative polarity to the positive polarity. How much energy is transferred? Does the electron gain or lose energy?
Although there are many mechanisms that help large mammals (such as elephants) keep cool in hot climates, the size of ears is a big factor. estimate the relative temperature difference between the territory of African elephants versus the territory ..
An artillery expert fires a cannonball at an angle of 36.87o at an enemy encampment sitting on a plateau 40 m high and 300 m horizontally from the cannon. How long was the cannonball in the air
The partition is then removed and the gases are allowed to mix. Assuming ideal gas behavior, find the pressure in the tank after the mixing.
A steel ball of mass m1 = 1.1 kg and a cord of length of L = 1.9 m of negligible mass make up a simple pendulum that can pivot without friction about the point O, what is the velocity of the block just after impact
A spacecraft has a non relativistic (or classical) momentum whose magnitude is 1.4×1012 kg·m/s. The spacecraft moves at such a speed that the pilot measures the proper time interval among two events to be one half the dilated time intervals. Discover..
You bring a 200 \rm g wrench into the house from your car. The house is 16\rm {^\circ C} warmer than the car, Find the heat capacity of the wrench
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