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At a certain distance from a point charge, the potential andelectric field magnitude due to that charge are 4.98 V and 12.0V/m, respectively. (Take the potential to be zero atinfinity.)
What is the distance from the point charge?
What is the magnitude of charge?
A flashlight on the bottom of a 4-m deep swimming pool sends a ray upward and at an angle so that the ray strikes the surface of the water 1.70-m from the point directly above the flashlight. What angle (in air) does the emerging ray make with wat..
What happens to water that flows out of a pipe at constant pressure (or constant flow rate), and then enters a restriction in the pipe (goes from a fat pipe to a thin pipe, but the pressure in the fat part of the pipe stays the same:
Imagine a perfectly elastic collision between to masses. Mass m1 is moving horizontally to the right at v0 towards mass m2. Calculate the recoil angle of m2 and the recoil speed of m2
An object is placed 130 cm in front of a converging lens of focal length 16 cm. What is the distance to the image
Three resistors having resistances of 330?, 100? and 220? are connected in parallel. What is the equivalent resistance? ____________________. When the combination is connected across a battery, the current in the 100? resistor is 0.12A.
If the torque required to loosen a nut on the wheel of a car has a magnitude of 33.1 N · m, what minimum force must be exerted by a mechanic
It is said that Galileo discovered a basic principle of the pendulum - that period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral as they swayed in the breeze. assume that one oscillation..
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^?2cm, Find its speed (vfinal) when it strikes the anode
A bicycle and rider have a combined mass of 100 kg. How many calries of heat are generated in brakes when the bicycle comes to a stop from a speed of 36 km/h.
A 2.18-m-long diving board of mass 13.2kg is 3.00m above the water. It has two attahcments holding it in place. Assuming that the board has a uniform density, find the force acting on each attachment
An ordinary drinking glass is filled to the brim with water (267.5 mL) at 3.0° C and placed on the sunny pool deck for a swimmer to enjoy. how much water will have spilled over the top of the glass
If the hydrogen atoms undergoes a transition between these states, it emits a photon with a characteristic wavelength of 21 cm. What is the energy difference between the 2 states
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