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A wire of unstretched length L0 is extended by a distance 10^-3L0 when a certain mass m is hung from it's bottom end. If this same wire is connected between two points A,B that are a distance l0 apart on the same horizontal level, and then the same mass is hung from the middle of the wire, what is the depression y of the midpoint, and what is the tension in the wire?
Calculate the electric field from four point-charge: +q at -d and -q at -d/2; 2q at d and -2q at d/2 on the z-axis, First calculate the electric potential, and then calculate its radient.
Over the course of a multi-stage 4280-km bicycle race, the front wheel of an athlete's bicycle makes 2.28 106 revolutions. How many revolutions would the wheel have made
It takes a force of 80.0 N to compress the spring of a toy popgun 0.200 m to "load" a 0.180-kg ball. With what speed will the ball leave the gun
A series RLC circuit has a peak current of 4A with a frequency of 32kHz, determine the average power of the circuit over one cycle
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
A uniform door weighs 46-N and is 0.9 m wide and 2.5 m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
A soccer player kicks a rock horizontally off a 34.0-m-high cliff into a pool of water. what was the initial speed given to the rock
An 50.0 N box is pulled 25.0 m up a 35.0° incline by an applied force of 100.0 N that points upward, parallel to the incline. Calculate the change in the kinetic energy of the box
a -58 nC charge is distributed uniformly along the x-axis from x = -1.3 m to x = 3.4 m. Consider a point at y = 2.2 m on the y-axis. a) what is the x-component of the electric field at the point
A 7.00-kg bowling ball moves at 2.10 m/s. How fast must a 2.00-g Ping-Pong ball move so that the two balls have the same kinetic energy?
A bucket of mass m is tied to a massless cable that is wrapped around the outer rim of a frictionless uniform pulley of radius R. what must be the moment of inertia of the pulley
Assess the challenges of managers providing accurate,
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