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A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. If the intensity of the wave is 1.00 × 10-3 watts/m2, what is the pressure amplitude of the wave? You can find density of water in book.
A freshly prepared sample of a certain radio isotope has a duty cycle of 11.6 mCi. After 3.6 hours, its activity is 8.00 mCi. Find the decay constant per second
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.0 m/s due north relative to the water. If the river is 330 m wide, explain how far downstream has the boat moved by the time it reaches the ..
An 82 kg man drops from rest on the diving board 3 m above the surface of the water and comes to rest 0.55 s after reaching the water. What force does the water exert on him.
Consider a circular loop of wire lying in the same plane but to the north of a very long straight current directed eastward. Find the direction of the current induced in the loop
An aluminum-alloy rod has a length of 10.008 cm at 16.400°C and a length of 10.020 cm at the boiling point of water. (a) What is the length of the rod at the freezing point of water
Two small charges with a mass of 1.0 g each are connected by a 2.0 cm long insulating rod of negligible mass. Calculate the magnitude of the torque exerted on the rod by the electric field
A cylindrical hoop and a spherical shell both roll without slipping and both have identical masses (6 kg) and identical radii (0.2 m). What is the velocity of each at the bottom of the hill
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 412-hertz source of sound. determine the amplitude of the simple harmonic motion.
A spring is compressed by 0.0527 m and is used to launch an object horizontally with a speed of 2.19 m/s. at what angular frequency (in rad/s) would it oscillate
A hang glider and its pilot have a total mass equal to 113 kg. While executing a 360° turn, the glider moves in a circle with a 9 m radius. What is the net force on the hang glider
An archer puts a 0.33 kg arrow to the bowstring. An average force of 183 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
Suppose that when you ride on your 8.50 kg bike the weight of you and the bike is supported equally by the two tires. If the gauge pressure in the tires is 65.5 lb/in2 and the area of contact between each tire and road is 7.13 cm2, what is your wei..
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