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(a) Find the displacement amplitude for a sound wave having a frequency of 100Hz and a pressure amplitude of 10-4 atm?
(b) The displacement amplitude of a sound wave of frequency 300 Hertz is 10-7 m. Determine the pressure amplitude of this wave?
two unknown charges attract each other with a force of 4.0 n when they are 4.1 m apart. find the force in n between
A gibbon is hanging onto a horizontal tree branch with one arm, swings with a small amplitude. Estimate the frequency of oscillation
Capacitors C1 = 6.10 µF and C2 = 2.95 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor
A 45 kg woman cheats on her diet and eats a 439 Calorie (439 kcal) jelly donut for breakfast. If the human body is only 28% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakfas..
W hat is the downward acceleration of the blue spool
consider a conical pendulum that consists of a bob on one end of a string of negligible mass with the other end of the
A 50 g Super Ball travelling at 28 m/s bounces off a brick wall and rebounds at 18 m/s. A high-speed camera records this event. If the ball is in contact with wall for 5 ms, what is the magnitude of the average acceleration of the ball throughout ..
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
A doctor, preparing to give a patient an injection, squirts a small amount of liquid straight upward from a syringe. What is the maximum height of the liquid above the syringe
what is the force of kinetic friction acting on the skier. avoid the length of her car and her reaction time.
A projectile is launched horizontally from a 30 m high cliff with a speed of 40.0 m/s. How far from the base of the cliff does the projectile hit the ground
A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.01 seconds later. How far away are the fish
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