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1. Christine, an aspiring lawyer, notices that, over the past year, she has added 10.0 lbm (4.54 kg) of excess body fat, and she decides to work off this extra weight by jogging each evening after work without changing her eating habits. She works 8.00 hours per day (including weekends) with an energy expenditure rate of 0.600 MJ/h. The time spent not working or jogging is spent sleeping or watching television at 0.300 MJ/h.
Christine eats two of the following meals per day, seven days per week: one baked potato with cheese, one lettuce salad with French dressing, and one pint of skim milk, plus she consumes 1.00 MJ per day of munchies while working. How many hours must she jog each night for three weeks to loose the extra 10.0 pounds?
2. Do you eat like a bird? How much birdseed would a 70.0 kg person have to eat in a day to consume proportionally as much birdseed as does a 0.0120 kg sedentary canary per day? Birdseed contains 60.0% carbohydrate, 12.0% protein, 6.0% fat, and 22.0% water.
A slit of width 2.0 ?m is used in a single slit experiment with light of wavelength 650 nm. If the intensity at the central maximum is Io, what is the intensity 10° from the center?
The overall topic of the paper should be "Momentum" ... you can select from the following sub-topics
Explain in your own words the meaning of acute and chronic exposure, deterministic and stochastic effects from radiation. Give examples
A projectile is launched horizontally from a 30 m high cliff with a speed of 40.0 m/s. How far from the base of the cliff does the projectile hit the ground
One goal of the Russian space program is to illuminate dark northern cities by sunlight reflected to the Earth from a 200 m diameter mirrored surface in orbit. Some smaller prototypes have already been constructed and put into orbit.
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
A horizontal force of 100 N is applied to move a 45-kg cartacross a 9.0-m level surface. What work is done by the 100-N force
a hard drive is turned on from rest and accelerates to 5100rpm rpm in 5.14 s. The drive then maintains this rate of rotation for 164s at which point it is turned off and slows to a stop.
Two waves A and B, both of wavelength λ = 51.7-cm, are initially out of phase by π. I want to bring them back in phase by placing some mirrors along the path of wave B as shown in the figure. What is the minimum spacing L required to achieve this?
A 50 kg woman jumps straight into the air, rising 0.8m from the ground. What impulse does she receive from the ground to attain this height
Consider a circuit containing a resistor withR = 2600 Ω and acapacitor with C = 4.9µF. At what frequency does the reactance of the capacitorequal the resistance of the resistor?
An ocean fishing boat is drifting just above a school of tuna on afoggy day. Without warning, an engine backfire occurs on anotherboat 1.0 km away. How much time elapses before the backfire isheard (a) by the fish, and (b) by the fishermen?
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