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A famous mad-physicist Dr. Strangelove tries to find out how much energy is contained in one liter of sunlight. Assume the intensity of sunlight as it reaches the top of the Earth's atmosphere is 1340 W/m2 and answer the following question.
a) If a box whose volume is one liter has 1.00 m width and 1.00 m length, what is the thickness of the box?
b) Suppose the sunlight hitting the box in Part a) perpendicularly at the 1.00 m x 1.00 m surface. How long does the sunlight need to pass from one 1.00 m x 1.00 m side of the box to the other side?
c) How much energy of sunlight passes the 1.00 m x 1.00 m surface of the box per second?
d) How much energy is contained in in one liter of sunlight?
A skier starts from rest at the top of a hill that is inclined at 10.5? with the horizontal. The hillside is 191 m long, and the coefficient of friction between snow and skis is 0.0677. At the bottom of the hill, the snow is level and the coef..
Water flows through a pipe. The radius of the pipe in the narrow part is .2m and the radius of the pipe in the wider part is .4m. find the velocity of water in the wider part
Illustrate what is the magnitude of the apparent weight of a 70 astronaut 3600 from the center of the Earth's Moon in a space vehicle moving at constant velocity?
A 0.39 m long and 0.39 m wide loop is moved at a constant velocity of 0.37 m/s into a perpendicular constant magnetic field of 0.69 T
If 49.0cm of copper wire (diameter = 1.00 mm) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at a constant rate of10.5mT/s
A speedboat moves on a lake with initial velocity vector v1,x = 9.61 m/s and v1,y = -2.71 m/s, Find the speedboats final speed
A small immersion heater is rated at 329 W. Compute approximately how long it would take to heat a cup of soup (suppose this is 250 mL of water) from 20°C to 50°C.
At the end of a race a runner decelerates from a velocity of 8.00 m/s at a rate of 0.300 m/s2. What is her final velocity
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
The drawing shows a circus clown who weighs 950 N. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
The two hot-air balloons in the drawing are 48.2m and 61.0 m above the ground, What is the horizontal distance x between the two balloons
A rock of mass 49 kg accidentally breaks loose from the edge of a cliff and falls straight down. What is the magnitude of the acceleration of the rock
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