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The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10m/s, they then have the same kinetic energy.
What were the original speeds of the two cars?
question1when the door of the chapel of the mausoleum in hamilton scotland is slammed shut the last echo heard by
A fire hose must be able to shoot a stream of water a specified height, straight up. Calculate the gauge pressure (difference between actual pressure
An orienter runs the following course: 100 m at 35 degrees, 150 m at 220 degrees, and 50 meters at 170 degrees. find the resultant displacement.
A pencil is held perpendicular to the optical axis of a concave spherical mirror. The pencil is 91 cm from the center of the mirror, What is the magnification of the pencil's image
A laser beam of unknown wavelength passes through a diffraction grating having 5590lines/cm , At what angle will the next pair of bright spots occur
As a baseball is being thrown, it goes from 0.0 to 40.0 ms in 0.34 s, What is the acceleration of the baseball
A uniform magnetic field passes through a horizontal circular wire loop at an angle 17.3° from the normal to plane of the loop. determine the magnetic flux through the loop
100g of ice at -10C is placed into 100g of warm water in an insulated container. Calculate the mass of the ice that remains when equilibrium is achieved
A railroad car of mass 2.4 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, How much kinetic energy is lost in the collision
A person with nearsightedness was prescribed with contact lenses of power -2.0 D. What is the range of object distances that this person can see clearly with the wrong lenses
a 4-omega and 6-omega resistor are connected in series to a battery with V=12V. Calculate the power dissipated in the 6-omega resistor
What is the shortest height a plane mirror must be so that a person who is 1.6 meters tall is able to see his or her whole body? plan a ray diagram to support your answer.
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