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Part A. You warm 1.85kg of water at a constant volume from 21.5C to 29.0C in a kettle. For the same amount of heat, how many kilograms of 21.5C air would you be able to warm to 29.0C? Make the simplifying assumption that air is 100% N2.
Part B. What volume would this air occupy at 21.5C and a pressure of 1.08 atm
A rotating wheel requires 3 s to rotate 37 revolutions. Its angular velocity at the end of 3 s interval is 98 rad/s. What is the constant angular acceleration for the wheel
A tennis player places a 40 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.052 kg tennis ball horizontally with a velocity of 30.6 m/s toward the north. What will be the final velocity of the machine.
Explain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips?
Calculate the power spectrum of square pulse with amplitude, A and length, τ0. plot the power spectrum, shower several zero-crossings
A 25 kilogram boy on a playground swing moves with a speed of 4.5 m/s when the 3.0 meter long swing is at its lowest point. Find the angle that the swing makes with the vertical when the boy is at the highest point
Stan and Ollie are standing next to a train track. Stan puts his ear to the steel track to hear the train coming. He hears the sound of the train whistle through the track 2.4 s before Ollie hears it through the air. How far away is the train? (Use 5..
A rifle is aimed horizontally at a target 1,699.92 m away. The bullet hits the target 2.18 inch below the aim point. determine the bullets time of flight
A 238 kg cast-iron car engine contains water as a coolant. Suppose the engine's tempera- ture is 33C when it is shut off and the air temperature is 8C. What mass of water is used to cool the engine
in may 2008 the united states successfully landed a spacecraft named phoenix near the northern polar regions of mars.
A rubber ball with a radius of 3.2 cm rolls along thehorizontal surface of a table with constant linear speed v. Whenthe ball rolls off the edge of the table, it falls 0.66 m to thefloor below. If the ball completes 0.37 revolution during its fall, w..
a short bar magnet placed with its axis at 30ordm with a uniform external magnetic field of 0.25 t experiences a torque
a proton is injected at a speed of 1.0106 ms between two plates 5.0 cm apart. the proton subsequently accelerated
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