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When you drink cold water, your body must expend metabolic energy in order to maintain normal body temperature (37.0°C) by warming up the water in your stomach. Could drinking ice water, then, substitute for exercise as a way to "burn calories?" Suppose you expend 480. kilocalories during a brisk hour-long walk. How many liters of ice water (0°C) would you have to drink in order to use up 480. kilocalories of metabolic energy? For comparison, the stomach can hold about 1 liter.
On a workday an average decibel level of the busy street is 89 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 30 every minute on a weekend, what is the decibel level of street.
provide step by step process used to reach solutions.a 5600 kg mass car is taking a turn at 72 ms. if the frictional
A 2.0 uF capacitor is first charged by being connected across a 6.0 V battery. Find the charge on each of the capacitors
A Rope is wrapped around a cylinder with a diameter of 500 cm. When the rope is pulled, it causes the cylinder to rotate around an axis through its center. If the cylinder starts from rest, and the tension in the rope is a constant 20.0 N, what wi..
The area of a typical eardrum is about 5.0 × 10?5 m2. (a) Calculate the sound power (the energy per second) incident on an eardrum at the threshold of hearing. W (b) Calculate the sound power incident on an eardrum at the threshold of pain. W
How much work does the up escalator do on you when you ride it from the lower level to the upper level? How much work does the down escalator do on you when you ride it from the upper level to the lower level?
A boy kicks a soccer ball to the right. A graph of Force on the y axis and time on the x axis shows the force on the ball reaches 100N from time 0 - .1 s, What is its final speed of the ball before it hits the ground
A ball of mass 1.7 kilogram is hung from a spring which stretches a distance of 0.27 meter. Calculate whta is the spring constant of the spring
A 0.70-kg disk with a rotational inertia given by MR2/2 is free torotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around thedisk and a 2.0-kg mass hangs from the free end.
A 1100 kg cannon, which fires a 50 kg shell witha speed of 506 m/s relative to the muzzle, is set at anelevation angle of 39° above the horizontal. At what angle with the ground is the shell projected
Using Critical Thinking and Analysis, apply that to the problem identified by reviewing the case, "Trouble in the Truss Construction Shop."
A man of mass 45 kg. is standing on a uniform rolling board of length 10 m. and mass (mb = 30 kg). how far does the board retreat
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