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A +4.0 10-9C charged object is 4.0cm along a horizontal line toward the right of a -3.0 x 10-9C charged object
Determine the magnitude of the E→ field at a point 3.0 cm directly above the negative charge?
Determine the direction of the E→ field at a point 3.0 cm directly above the negative charge? In terms of θ.
A water pipe having a 2.4 cm inside diameter carries water into the basement of a house at a speed of 0.95 m/s and a pressure of 174 kPa. What is the water pressure at the second floor
at its highest temperature a space heater has a resistance of 19.5 u03a9 when it is plugged into a wall outlet
In coming to a stop, car leaves skid marks 78 long on the highway. Assuming a deceleration of 7.1 estimate the speed of the car just before braking.
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. Which ball has greater kinetic energy
The best leaper in the animal kingdom is the puma, which can jump to a height of 11.9 ft when leaving the ground at an angle of 53°. With what speed, in SI units, should the animal leave the ground to reach that height?
A circular coil of 144 turns has a radius of 1.54 cm. Find the maximum magnitude of the torque that the coil, carrying this current, can experience in a uniform 37.0 mT magnetic field
A violet bulb uniformly emits monochromatic light of wavelenght 400nm. If it emits 10^23 photons in a hour, and it is 20% efficient, what is the watt rating of the bulb ?
A 0.250 kg block is placed on a vertical spring (k = 5.0 x 10^3 N/m) and pushed downward, compressing the spring 0.10 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would the bl..
The drawing shows two boxes resting on frictionless ramps. Onebox is relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep. The boxes arereleased from rest at A and allowed to slide down the ramp..
The drawing shows a device that can be used to measure the speed of a bullet. The device consists of two rotating disks, separated by adistance of d = 0.680 m, and rotating with an angular speed of 65.0rad/s.
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. what is his speed after the collision
What is the maximum volume that 3 kg of Oxygen at 950 kPa and 373 C can be adiabatically expanded to in a piston-cylinder device if the final pressure is to be 100 kPA?
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