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Taking right to be positive, if a speaker is moving at a velocity of -22 m/s while emitting a sound of frequency 1385 Hz, what frequency will you hear?
If the situation is reversed in the above problem and you are the one that is moving, what would be the answer?
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
If the earth had no atmosphere and were a perfectly smooth sphere of radius 6.38 x 10^6 meter and mass 5.98 x 10^24 kilogram, find what would be the greatest orbital speed that a satellite could have
An applied force F1= 16N acting on an object with the mass m = 2 kg which is moving on the surface of a table. find the coefficient of friction between the object and the table
A uniform stick of length L = 1.8 m, width W = 10.0 cm, and mass M = 4.8 kg oscillates as a physical pendulum, Calculate the minimum value of the period of the pendulum
The upper end of the string wrapped around the cylinder below is held by a hand that is accelerated upward so that the center of mass of the cylinder does not move as the cylinder spins up. (c) Find the acceleration of the hand.
a 320-kg car is moving at 25.0 ms. suddenly after the breaks are hit to lock the wheels it comes to a screeching stop
Two blocks are arranged at the ends of a mass- less string as shown in the figure. The system starts from rest. When the 1.47 kg mass has fallen during 0.326 m, its downward speed is 1.25 m/s. The acceleration of gravity is 9.8 m/s2.
How long does it take the crate to hit the ground. suppose that the plane continues to fly with the same velocity.
A Hall-effect probe operates with a 120 -mA current. When the probeis placed in a uniform magnetic field of magnitude 0.0900 T, it produces a Hall voltage of 0.760 µV. The thickness of the probe in the direction of B is 2.00 mm.
A cannon tilted upward at θ = 34o fires a cannonball with a speed of 92 m/s. At that instant, what is the component of the cannonball's velocity parallel to the ground
A divers lungs hold 0.0050 m^3 of air at sea level, where the pressure is 101.3 kPa. what is the volume of the air in his lungs at a depth of 3 m
n = 3.24 mol of Hydrogen gas is initially at T = 357 K temperature and pi = 2.79×105 Pa pressure. How much heat did the gas emit
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