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A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point17.9m below the water level. The rate of flow from the leak is 2.90 x 10-3m3/min.
(a) Determine the speed at which the water leaves the hole.
(b) Determine the diameter of the hole.
Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the s..
A 29 kg board 3.2 m long is supported in a horizontal position at the two ends. A 77 kg worker stands 1.4 m from one end. What forces are exerted by the board on the two support points
question a uniform meter stick is in static rotational equilibrium when a mass of 220g is suspended from the 5.0-cm
an 8.5 m long wire of resistance 20.6 \(\Omega\) carries a current of 6.6, What is the magnitude of the electric field in the wire
Imagine you are on a cart that rests on a frictionless surface (you + car = 100 kg) with 30 basketballs (1 kg each). how fast in m/s are you going
q1. a ship sets out to sail to a point 156 km due north. an unexpected storm blows the ship to a point 118 km due east
Given that 12g of carbon combines with 16g of oxygen to form carbon monixide, how various grams of carbon monoxide can be made from 48g of carbon and 48g oxygen.
A thin, uniformly charged ring of radius a = 10cm carries a total electric charge Q=3.6microCoulombs and rotates with angular speed w = 170rad/s counterclockwise about the z-axis
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
Ball 1, with a mass of 140 g and traveling at 12.0 m/s, collides head on with ball 2, which has a mass of 300 g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic
A conducting spherical shell of inner radius b and outer radius c is concentric with a small metal sphere of radius a
Two 4.0 * 4.0 square aluminum electrodes, spaced 0.80 apart are connected to a 100battery. What is the charge on the positive electrode
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