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A 0.80-kg ball is thrown with a speed of 9.0m/s at an upward angle of 43? . Use conservation of energy
1. What is its speed at its highest point? Express your answer to two significant figures and include the appropriate units.
2. How high does it go? Express your answer to two significant figures and include the appropriate units.
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
an object of mass b has a speed that changes with distance d according to v bx-n. what is the force as a function of
If the operators of a spy satellite pondered using it to photograph license plate numbers. what is the smallest distance between two points that it can resolve
Atoms of lithium are able to absorb photons of frequency 2.01 x 1014 Hz. This corresponds to a transition state from the ground state (at -5.37 ev) to an excited state. Zero energy corresponds to the state in which one electron is completely rem..
Two metal spheres, each of radius 5.0 cm, have a center-to-center separation of2.3 m. Sphere 1 has charge+2.010-8 C. Sphere 2 has charge of -3.2 x 10-8 C. Calculate the potential on the surface of sphere 1
The hour hand on a certain clock is 9.0 centimeter long. Determine the tangential speed of the tip of this hand
consider a defibrillator acting as a 32 muf capacitor and a 47 komega resistor in a series rc circuit. the circuitry in
You have two containers of a monatomic ideal gas that are intially at the same Pressure, Volume, and Temperature. What is the difference in work done in these processes, 1 - 2
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 70 kg and exert average forces of 1350 N horizontally, What is the acceleration of the two teams
A fire breaks out and increases the Kelvin temperature of a cylinder of compressed gas by a factor of 1.0
A nuclear power plant produces an average of 4.90 × 103 MW of power during a year of operation. Find the corresponding change in mass of reactor fuel
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