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A spring with a spring constant of 1.9×102N/m is attached to a1.6 kg mass and then set in motion.
1. What is the frequency of the vibration? Answer in unit’s of Hz.
2. What is the period of the mass-spring system? Answer in units of s.
At what rate does the Sun radiate energy, given that it's essentially a spherical blackbody with radius 6.96x10^8 m and surface temperature 5800 K?
A 20 cm radius air duct is used to replenish the air of a room 9.2 m multiplied by 5.5 m multiplied by 5.0 m every 10 min. How fast does air flow in the duct
a spinning disc rotating at 130 rev/min slows and stops 31 s later. how many revolutions did the disc make during this time
A 65.5 kg firefighter slides down a pole while a constant frictional force of 300 N retards her motion. Find the maximum distance the spring is compressed
Explorer is caught in a whiteout (in which snowfall is so thick that the ground cannot be distinguished from the sky) as returning to base camp.
Two small plastic spheres each have a mass of 2.0 {\rm g}and a charge of-50.0{\rm{ {\rm nC}}}. They are placed2.0 {\rm cm}apart. By what factoris the electric force on a sphere larger than its weight?
A 90.0-kg fullback running east with a speed of 5.00 m/s is tackled by a 95.0-kg opponent running north with a speed of 3.00 m/s. Where did the lost energy go
Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates 20.0 times in 5.00 seconds and then stops spinning it. What is the angular acceleration of the salad spinner
After a snow storm, the roof on one house, H1, isuniformly covered by snow, whereas at the house next door, H2, the snow has completely melted off. A likely reason for this is:
Two capacitors are connected in series. Let 3.40?F be the capacitance of first capacitor, 5.00?Fthe capacitance of the second capacitor, Calculate the potential difference across each capacitor
Lasers are used extensively in eye surgery to remove unwanted "material" from the eye or reshape the eye's lens. What is the power during one of these pulses
The internal energy of a gas is 553.J. The gas is compressed adiabatically, and its volume decreases by 105.cm3. what is the internal energy of the gas after the adiabatic compression
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