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A 300 gram block is attached to a light horizontal spring. The block is free to slide on a horizontal table. A force of 25 N compresses the spring 20 cm.
Find what is the spring constant, k?
Find how far beyond its equilibrium position will the spring stretch at its first maximum extension if the surface of the table is frictionless?
Find how far beyond its equilibrium position will the spring stretch at its first maximum extension if the coefficient of kinetic friction of the table surface is 0.20?
Water flowing through a garden hose of diameter2.70cm fills a20.0-L bucket in1.30min. what is the speed of the water leaving the nozzle
The tip of a tuning fork goes through 480 complete vibrations in a time of 0.570s. Find the angular frequency. Find the period of the motion.
1.calculate the average speed if you run 40m in 10 seconds.2.calculate the average speed of a cheeta that runs 130
When using 690 nm light to perform the double slit experiment, the interference in the middle is a bright fringe, If the slits are 2.48 µm apart, at what angle will we observe the first-order dark fringe
A screen is placed 51.0 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 2.80 mm, what is the width of slit.
Two ants race across a table 73cm. long. One travels at 4.18cm/s and the other at 3cm/s. When the first one crosses finish line, how far behind is the second one.
A student suspends two identical conductive spheres (m = 0.30g) from two equally long nylon threads each 25 cm long. What is the charge on each sphere
Equipotentials between two parallel lines with a floating circular electrode: I dont need to know the exact potentials, What should be the potential inside the electrode
An air molecule is moving at a velocity of 444 m/s. How various meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules.
A 115- resistor, a 0.237-µF capacitor, and a 5.56-mH inductor are connected in series to a generator whose voltage is 29.0 V. The current in the circuit is 0.130 A. Because of the shape of the current-versus-frequency graph (shown), there are two ..
A block of mass m = 2.70 kg slides down a 30.0° incline which is 3.60 m high. Determine how far back up the incline the smaller mass will go
two parallel metal plates have area a 255 cm2 and are separated by l 0.50cm. they have a potential difference of 0.25
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