Aball is tossed upward from a tall building, and its upward velocity v in feet per second, is a function of time t, in seconds, since the ball was thrown. the formula is v(t)=80-32t if we ignore air resistance. express using functional notation the velocity 4 seconds after the ball is thrown and then calculate that value. is the ball rising or falling then?
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Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Physics, 22.06.2019 20:30
Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
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What is the magnitude of the gravitational force acting on the earth due to the sun?
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Physics, 22.06.2019 23:50
Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
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Aball is tossed upward from a tall building, and its upward velocity v in feet per second, is a func...
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