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The total lung volume for a person is 6.20 . A person fills her lungs with air at an absolute pressure of 1.00 . Then, holding her breath, she compresses her chest cavity, decreasing her lung volume to 5.58 . What is the pressure of the air in her compressed lungs, assuming that the temperature of the air remains constant?
When point charges q1=+8.4uC and q2 = +5.6uC are brought near each other , each experience a repulsive force of magnitude 0.66 N. Determine the distance between the charges.
Your roommate is working on his bicycle and has the bike upside down. He spins the 66.0cm -diameter wheel, Find the pebbles speed and acceleration
A small piece of dust of mass m = 1.0 µg travels through an electric air cleaner in which the electric field is 500 N/C, What is the charge on the dust particle
An electron moving along the x axis has a position given by x = 20te-4t m, where t is in seconds. How far is the electron from the origin when it momentarily stops
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m × sin (6x106 Hz × t). What is the Poynting vector at this location for this wave as a function of time
You want to design the loop-the-loop toy. The idea is that a ball of mass m=0.01 kg, determine the minimum height necessary for the ball to remain in contact with the track during the whole loop-the-loop journey
The coefficients of static and kinetic frictions for plastic on wood are 0.50 and 0.40, respectively. How much horizontal force would you require to apply to a 3.0 N plastic calculator to start it moving from rest.
A scientific instrument that weighs 78.4 on the earth weighs 29.7 at the surface of Mercury. What is the acceleration due to gravity on Mercury
A nuclear power plant generates 3000 MW of energy from nuclear reactions in reactor's core. What is the plant's actual efficiency
What is the magnitude of the electric field strength E such that an electron, when placed in the field, would experience an electrical force equal to its weight? What electric field strength E is required if the electron is replaced by a proton?
a boy on a roof throws one ball downward and an identical ball upward. the ball thrown downward hits the ground with 100 J of kinetic energy. what is the kinetic energy of the second just before it hits the ground
A 5.5 g dart is fired into a block of wood with a mass of 22.6 g.The wood block is initially at rest on a 1.5 m tall post. After thecollision, the wood block and dart land 2.5 m. from the base of thepost. Find the initial speed of the dart.
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