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If the air temperature is 70°F at sea level, what is the temperature at the top of Pike's Peak (elevation 14,000 ft )? (Hint: The temperature decreases rather uniformly in the troposphere.) What is the cloud root name that means "heap"? (19.5)
(a) Stratus
(b) Cirrus
(c) nimbus
(d) cumulus
Illustrate what is the average force exerted on the ball by the bat? Neglect the weight of the bat, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction.
The cover page and the reference page are not included in the required assignment page length.
An undiscovered planet, many light-years from Earth, has one moon which has a nearly circular periodic orbit. How long (in days) does it take the moon to make one revolution around the planet. The gravitational constant is 6.67 × 10-11 N·m2/kg2
The third dark fringe occurs at an angle of 30degrees from the principle maximum in a young's double slit experiment. If the slit separation if 2.5um, What is the wavelength of the light
Magnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 1.70-mm-diameter superconducting wire.
If the intensity of the electromagnetic radiation produced by the Sun is about 1.4 kW/m2 near the Earth, what size would a sail have to be to accelerate a spaceship with a mass of 11.9 metric tons at 1.39 m/s2
You have a simple pendulum that's 1.4m long and has a 100g mass at the end. In Lewis Hall, what is the period of the pendulum? You then take this pendulum to the moon and measure the period again. What is the new period? Moon gravity is one sixth of ..
question a portable cd player operates with a current of 27ma at a potential difference of 4.2 v. what is the power
The potential energy function of a point mass is given by the expression: U(x) = 2x^2 - 8x, where x is the coordinate of the body and U is measured in Joules. Only conservative forces are acting. Find the kinetic energy of the body (in J) at the ..
A gymnast with mass m1 = 41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at least the gymnast stands at the left end of..
At an open-air concert a person sits at a location that is 7m and 9.10m, respectively, from speakers at each side of the stage. A musician plays a single 494 Hz tone, explain what the listener hears.
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. Calculate the intensity of the sound wave emitted
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