Physics, 11.11.2020 04:30, lucifer6669

A spring is streched 0.75 m by using a force of 30 N. What is the spring constant?

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Physics, 22.06.2019 17:30, HernanJe6

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

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Physics, 22.06.2019 19:50, drecooks713

What are the dimensions of the cross section that passes through the points a, f, g, and d?

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Physics, 23.06.2019 00:50, anikakurup0

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.

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Physics, 23.06.2019 06:00, silviamgarcia

The frequency of a tuning fork can be found by the method shown. a long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. the length l of the air column is adjusted by moving the tube vertically. the sound waves generated by the fork are reinforced when the length of the air column corresponds to one of the resonant frequencies of the tube. the smallest value for l for which a peak occurs in sound intensity is 7 cm. l what is the frequency of the tuning fork? the speed of sound in air is 345 m/s. answer in units of hz