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A person weighs 836 N in air and has a body fat percentage of 20.5%.
(a) What is the overall density of this person's body?
kg/m3
(b) What is the volume of this person's body?
m3
(c) Find the apparent weight of this person when completely submerged in water.
Calculate the value of the error (only) with two decimal places for: (5.3 +/- 0.1) / (2.9 +/- 0.1) and (7.3 +/- 0.4) / (3 +/- 0.2)
A 8000 %u03A9 resistor is joined in series with a 10 %u03BCF capacitor. What is the capacitive time constant of this combination
The near point of a naked eye is 25 cm. When placed at the near point and viewed by the naked eye, Find the focal length of the eyepiece
A large box with mass 45 kg is being pushed up a ramp at a 32o incline at a constant velocity by a man pushing parallel to the incline for 7.80 m, determine The force the man is pushing on the box
The standard kilogram is a platinum-iridium cylinder 39.0 mm in height and 39.0 mm in diametern. what is the density of the material
0.20 g of hydrogen gas are held in a rigid container. the temperature of the gas is changed from 50 K to 80 K. How much heat is needed
A professor's office door is 0.94 wide, 2.2 high, 4.0 thick; has the mass of 23, and pivots on frictionless hinges. A "door closer" is attached to door and top of the door frame. When the door is open and at rest, the door closer exerts a torque of 5..
A diver is planning to salvage a Spanish galleon located in 200 feet of water. He plans to use a diving suit that will be supplied with air from a hose. Calculate which compressor should be bought by the diver for the given condition
An ideal transformer steps down 120V to 12V and the 2630 turn secondary supplies 12 A. What is the ratio of output power to input power
Speedboat A negotiates a curve whose radius is 124m. Speedboat B negotiates a curve whose radius is 230m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A father racing his son has three-fifths the kinetic energy of the son, who has two-fifths the mass of the father. The father speeds up by 2.5 m/s, What is the original speed of the father
A 1000 kg roller coaster starts from rest at height H= 25 m above the bottom of a 14 m diameter loop. What is the downward force of the track on the car
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