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A grandfather clock is constructed so that it has a simple pendulum that swings from one side to the other, a distance of 33.4 mm, in 1.00 s. What is the maximum speed of the pendulum bob? Use two different methods. First, assume SHM and use the relationship between amplitude and maximum speed. Second, use energy conservation.
If the elastic limit of steel is 5.0 multiplied by 108 Pa, determine the minimum diameter a steel wire can have
A 200 keV electron strikes a copper target and is brought to rest producing a single X-ray photon. What is the Compton scattering angle relative to the direction of the incident X-ray
Suppose that 36 g ofHg(mercury) at -39°C are dropped into a big bowlthat contains a mixture of water and ice in thermal equilibrium. How much additional ice will be formed
q1. three equal point charges each with a charge of 1.90 mu c are placed at the corners of an equilateral triangle
A lightbulb has a resistance of 230?when operating with a potential difference of 180V across it. What is the current in the lightbulb?
a crane on a dock lifts an 1107kg container 28m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, how much work is done by the crane on the container
A rod made of structural steel 5 meters long is to carry a tensile load such that it's just about to begin to stretch beyond its elastic limit. How much will the rod stretch
Our solar system is about 1.34 parsecs away from planet A. An astronaut is moving away from earth toward planet A at 0.80c as measured in the earth's reference frame. What frequency of light is observed by the earthlings
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. the
a pion decays into a muon and a neeutrino. in the rest frame of the pion the muon always has a speed of .507c. if a
A refrigerator has a coefficient of performace of 2.10. In each cycle it absorbs 20000J of heat from th ecold reservoir. how much heat is discarded to the high-temperature reservoir
While a person is walking, his arms (with typical lengths 70 cm measured from the shoulder joint) swing through approximately a 45 degree angle in 0.5 sec. What force would the blood vessel exert
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