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A basketball player tries to make a half- court jump shot, releasing the ball at the height of the basket. Assuming that the ball is launched at 51.0°, 14.0 m from the basket, what speed should the player give the ball?
an aerosol can is pressured at 440kpa when its refrigerated at 3 degree celsius. the can warns against temperatures in
An astronaut on the planet Vimrom IV finds that she can junp a maximum horizontal distance of 13.0 m if her initial speed is 4.90 m/s. what is the maximum height about the ground reached by the astronaut
a sample consisting of 1.5 mol of perfect gas molecules with cpm= 20.8J/Kmol is initally at 230kPa and 315 K. calculate the final volume and temperature and work done
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. Compute how long is the arm of the centrifuge
With each cycle, a 2510-W engine extracts 2070 J from a thermal reservoir at 90 °C and expels 1340 J into a thermal reservoir at 20 °C. What is the work done for each cycle? What is the engine's efficiency?
A loudspeaker of mass 23-{rm kg} is suspended a distance of h = 1.80- {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.10- {rm m}. What is the tension T in each of cables.
consider a neutron star with a mass of 1.5 times that of our sun and a radius of 15 km. consider this to be all closely
A ball is thrown into the air from ground level. After a time t = 1.0 s, the ball has traveled to a position x1 = 29.0 m to the right of and y1 = 9.0 m up from where it was thrown, What was the y component of the initial velocity of the ball
q1. diffraction also occurs with sound waves. consider 1900-hz sound waves diffracted by a door that is 87 cm wide.
Three moles of a monatomic ideal gas are heated at a constantvolume of 2.40 m3. Theamount of heat added is 4.72 103 J. What is the change in the temperature of the gas
A heat engine with 0.500mol of a monatomic ideal gas initially fills a 1000cm^3 cylinder at 700K. How much work does this engine do per cycle
A 3.00-µF and a 5.00-µF capacitor are connected in series across a 30.0-V battery. Determine the voltage across the 6.00 µF capacitor
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