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A beaker containing 300mL of water at 20 clesius has a 150g piece of Aluminum at 50 celsius placed in it. What is the final equilibrium temp of the water and aluminum?
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.6 rad/s^2 for 7.6 s, Find the total number of revolutions turned
A jet plane flying at a constant speed v at an altitude h = 10 km is being tracked by radar located at O directly below the line of flight. determine the value of r at this instant and the magnitude of the velocity v of the plane
question1an arrow is fired with a speed of 18.0 ms at a block of styrofoam resting on a smooth surface. the arrow
A baseball approaches home plate at a speed of 46.0 m/s, moving horizontally just before being hit by a bat. What is the average vector force the ball exerts on the bat during their interaction
A candle is placed 16.85 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
A 2.40-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 740N/m, Find the time for the bullet-block system to come to rest
A bird stands on a dc electric transmission line carrying 2800 A. find the potential difference between the bird's feet
Three moles of an ideal monatomic gas expands at a constant pressure of 2.90atm ; the volume of the gas changes from 3.00×10?2m3 to 4.40×10?2m3. Calculate the amount of work the gas does in expanding
A reaction vessel contains 8.06 g of H2 and 64.0 gof O2 at a temperature of 125?C and a pressure of 125kPa. What is the volume of the vessel
A factory worker pushes a 26.0 kg crate a distance of 6.6 m along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 5900 V/m, Calculate the radius r of the path for a singly charged ion
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
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