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water is pumped into a storage tank from a well delivering17.8 gallons of water in 30 seconds through a pipe of 1.16 inchessquared cross sectional area. What is the average velocity of the water in the pipe as the water is pumped from the well?
Station KAIM in Hawaii broadcasts on the AM dial at 870 kHz, with a maximum power of 50000 W. At maximum power, how many photons does the transmitting antenna emit each second?
A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds, Find the average net force of the ball
Find graphically magnitude and direction of resultant force
An electromagnetic wave with a frequency of 4.60×10^14 Hz propagates with a speed of 2.14×10^8 m/s in a certain piece of glass. Find the wavelength of the wave in the glass
q1. at one point in a pipeline waters speed is 3.30 ms and the gauge pressure is 4.00times104 pa. find out the gauge
A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How long does it take the crate to hit the ground
A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 14rpm in 12.0s. What force is required at the edge
A convex mirror with a radius of curvature of 32.0 cm forms a 1.20 cm tall image of a pencil at a distance of 13.6 cm behind the mirror. Calculate the object distance for the pencil and its height
A uniform rod rotates in a horizontal plane about a vertical axis through one end. The rod is 13.00 m long, weighs 21.67 N, Calculate the rotational inertia of the rod
A 16.0L tank contains 0.430kg of helium at 16.0?C. The molar mass of helium is 4.00g/mol, How many moles of helium are in the tank
questionin an x-ray machine electrons are accelerated and then fired so that they are incident on a metal target. which
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