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A car of mass 1000 kg experiences a net force of 9500 N while decelerating from 30 m/s to 15.9 m/s. How far does it travel while slowing down?
The pressure gauge on a tank registers the gauge pressure, Determine the mass of oxygen that has been withdrawn from the tank when the pressure reading is 22.4 atm
A mother hears a child scream from across the room, 23 feet away. The sound pressure level is 72dB. When she holds the child on her shoulder, her ear is 3 inches from the screams. Using the decibel chart, about how long until damage to her hearing..
Deathstroke (Green Arrows enemy) is 15m away from where Green Arrow fired the charged arrow. Does the charged arrow hit the villain, or does the electric potential stop it in time to allow Deathsroke to escape?
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB, How much sound energy is incident on the eardrum during this time
In a single-slit diffraction pattern on a flat screen, thecentral bright fringe is 1.6 cm wide when the slit width is 3.7 x10-5 m. What is the width of the second slit
How thick should the air layer be between two flat glass surfaces if the glass is to appear bright when 530 light is incident normally.
A student presses a book between his hands. The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. find the magnitude of the minimum pressing force that each hand must exert
A baseball is thrown horizontally from from a height of 44.10 mabove ground with a speed of 33.5 m/s. Where is the ballafter 3.00 s have elapsed?
When you normally drive the freeway between Sacramento and San Francisco at an average speed of 95.0km/hr (59.0mph), How much longer does the trip take on Friday than on the other days
A uniform solid ball that has a mass of 21.8 g and a radius of 5.1 cm rests on a horizontal surface. What is the angular speed of the ball after impact
With the reference to the expression for speed of sound in any gas, show why pressure is not important in determining the speed of sound; by using the value for the gas constant R and the molecular mass of dry air, derive an expression for the spe..
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