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Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 8.63 m, its velocity is (vx,vy) = (6.69,3.27) m/s. With what velocity (magnitude and direction) will it hit the ground?
A 12.0-V battery produces 205mA when it's across a 47.5? load, Find the potential difference across the battery's terminals
At rest, a car's horn sounds at a frequency of 480 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 470 Hz. What is the speed of the car?
Consider a parallel-plate capacitor with an area of 1.1 cm2, At what voltage will this capacitor exhibit dielectric breakdown
Your friend observes an artificial satellite orbiting the earth. He estimates it is at an altitude h = 938 km above the earth's surface and has a mass m = 3500 kg. What is the period (s) of the satellite's motion
What is the electric field vec E. What is force vec F on a -1.0 nC charge placed at the midpoint.
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. compute the index of refraction for violet light in plastic
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
A metal bar with a resistance of 30 ohms is rotated around its center in a magnetic field of strength 0.5 T, what is the electrical power dissipated in the resistor
Consider a series RLC circuit with R = 15 , L = 196 mH, C = 75 µF, and a maximum voltage of 148 V. What is the impedance of the circuit at resonance
F ind the speed of the golf ball just after impact
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
Light of wavelength 730nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 53mm from the central fringe on a screen 3.0m away
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