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Question 1: A ballon contains 4.6 L of nitrogen gas at a temperature of 73.0 K and a pressure of 150 kPa. If the temperature of the gas is allowed to increase to 296.0 K and if the pressure remains constant, what volume will the gas occupy? Give your answer in L.
Question 2: Two speakers are emitting sine waves coherently in all directions. The frequency of the sound wave is f = 741.0 Hz. A microphone is placed 0.62 m away from speaker 1 and a distance d2 away from speaker 2. If the phase difference between the output of speaker 1 and the output of speaker 2 is π radians (3.1416 rad), determine the value of the distance d2 (in meters) required for the waves to interfere constructively at the microphone.
Note: Take the speed of sound in air to be v = 343 m/s.
Question 3: A 18.0-L can is filled right up to the top with gasoline at 11.2 degrees Celsius. If the temperature of the gasoline climbs to 28.6 degrees Celsius, how much gasoline spills out of the can? Give your answer in L. Take the coefficient of volume expansion of gasoline to be 950 x 10-6 K-1. (Assume the volume of the can is unaltered by the change in temperature.)
Question 4: Suppose 1.0 mol of a monoatomic ideal gas is heated at constant pressure from 10.0°C to 64.0°C. How much heat (in J) is absorbed by the gas?
Find out the edge dimension of each cube
a projectile is shot from the edge of a cliff 115m above the ground level with a inital speed of 65.0m/s at an angle of 35 degrees
Determine the isentropic coefficient of performance of this system.- The coefficient of performance of a Carnot refrigerator operating between the same temperature limits.
A 82 person sits on a 3.5 chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 in diameter. Find the pressure exerted on the floor by each leg of the chair
A hollow spherical shell has mass 7.85kgand radius 0.220m. It is initially at rest and then rotates about a stationary axis that lies along a diameter with a constant acceleration of 0.880rad/s2. What is the kinetic energy of the shell after it ha..
Suppose in the drawing that I1 =I2 = 23.6 A and that the separation between thewires is 0.0467 m. By applying an external magnetic field (createdby a source other than the wires) it is possible to cancel themutual repulsion of the wires. This exte..
using a 60 cm focal length converging lens one wishes to obtain a virtual image which is four times as large as the
A 0.140 kg baseball is thrown with a velocity of 40 m/s. It is struck with an average force of 5000.0 N, How long were the bat and ball in contact
The voltage in a series RLC circuit is given by: i(t)= (15 mA) sin(471.2t+1.041) The resistance is 51.0 Omega, the capacitance is 69M Mu F and the inductance is 250 mH- What is in Hz the frequency of the voltage source?
A small piece of dust of mass m = 2.5 mu or micro g (micrograms) travels through an electric air cleaner in which the electric field is 486 N/C. What is the charge on the dust particle
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
physics Each of the following objects has a radius of 0.173 m and a mass of 2.48 kg, and each rotates about an axis through its center, Find the magnitude of the angular momentum of each object
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