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, 21.06.2019 13:30, kendalljanae
What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.
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Physics, 21.06.2019 22:50, toddbecca9
Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]
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Physics, 22.06.2019 18:30, bubblzthechicken
Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?
Answers: 3
Aball is tossed upward from a tall building, and its upward velocity v in feet per second, is a func...
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