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Suppose the slope of a weight-vs-length graph for a spring gives 70 N/m, and the x-intercept is 0.30 m. Also, the spring begins to stretch immediately when you add weights to it. By how much does the spring stretch when you add 7.0 N to it? Answer in meters. The spring stretches by ________ m.
A length L of wire carries a current i. Find the expression for the maximum torque
A 1590 kilogram car traveling with a speed of 27 m/s. Obtain what is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50 meter
A 15-uF capacitor is connected to a 50-V battery and becomes fullycharged. The battery is removed and a slab of dielectric that completely fills the spacebetween the plates is inserted. If the dielectric has a dielectric constant of 5.0:
what is the average mass of atoms in the common Eastern mole?
When 215 g of a substance is heated to 330degrees Celcius andthen plunged into a 100-g aluminum calorimeter cup containing 150 gof water at 12.5degrees celcius, What is the specific heat of the substance
A 31.2cm diameter coil consists of 17 turns of circular copper wire 1.70mm in diameter. The resistivity of copper is 1.68×10-8 Ohm m. Determine the current in the loop
sometimes when the wind blows across a long wire a low-frequency moaning sound is produced. this sound arises because a
Discuss the load-line technique of obtaining the time variations of the voltages and currents at the source and load ends of a line from a knowledge of the terminal V-I characteristics. Discuss the analysis of transmission-line interconnection..
The hunter uses a small powerboat that moves at a maximum speed of 9 km/h with respect to the water. Illustrate what is the minimum time necessary for crossing?
The ball rebounds straight upward to a height of 0.700 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
a concave cosmetic mirror has a focal length of 22 . a 4.0 -long mascara brush is held upright 11 from the mirror.a.
A 5.50 grams coin is placed 14 centimeter from the center of a turntable. Find the maximum angular velocity with which the turntable can spin without the coin sliding
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