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Problem: If a certain percentage of members of a symphony orchestra are absent because of flu this reducing the overall intensity level sound by 1 dB.
Part A. What will be that percentage roughly be?
A car on a Ferris wheel has an angular displacement of pie/4 rad, which corresponds to an arc length of 28.0m. What is the Ferris wheel's radius
An electron is moving at a speed of 1.1 multiplied by 104 m/s in a circular pathof radius of 2.1 cm inside a solenoid.The magnetic field of the solenoid is perpendicular to the plane ofthe electron's path. The solenoid has 25 turns per centimeter.
A wire whose resistance is R = 140 is cut into 9 equally long pieces, which are then connected in parallel. What is the resistance of the parallel combination
A uniform rope of uniform weight W hangs between two trees. The ends of the rope are the same height and they each make and angle theta with the trees. What is the tension at either end of the rope. Find the tension at the middle of the rope.
A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table, Determine the initial speed of the bullet
A hypodermic syringe has a piston area of 0.5 cm^2 and a needle with circular opening of diameter 0.2 mm. What is the gauge pressure in the syringe while pushing the piston with 1 N of force
A particular heat engine has a useful power output of 5.80 kW and an efficiency of 21.0%. In each cycle, the engine expels 8450 J of exhaust energy.
A tennis player hits a 58.0g tennis ball so that it goes straight up and reaches a maximum height of 7.05m . A) How much work does gravity do on the ball on the way up? B) How much work does gravity do on the ball on the way down?
question1a 1000 kg car carrying four 76 kg people travels over a rough washboard dirt road with corrugations 4.0 m
A car decelerates uniformly and comes to a stop after 10s. The car's velocity was 50 km/h. What was the car's deceleration
if the magnetic field caused by a magnet is b15 webersmeters squared and the field lines normally go through a gaussian
The pressure gauge on a tank registers the gauge pressure, which isthe difference between the interior and exterior pressure. When thetank is full of oxygen (O2), it contains 15.0 kg of the gas at a gauge pressure of 35.0 atm.
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