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A student compares the fundamental resonating frequencies of two equal length pipes. Pipe A is open on both ends. Pipe B is open on one end and closed on the other. How does the frequency of pipe A measured at fA compare to the frequency of pipe B measured at fB?
question1car a is moving with a constant speed of 10ms and passes car b which is at rest. ten second later the latter
A proton (mass 1.67 X 10^ -27 kg, charge= 1.6 X10 ^ -19 micro C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 60 km/s. At point B the speed of the proton is 80 km/s. ..
A rotating fan completes 1120 revolutions every minute. Consider the tip of a blade, at a radius of 16.0 cm. What is the magnitude of its acceleration
a 176-lb swimmer has a specific gravity of 1.03. what is the swimmers effective weight while under water? give your
Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. The tracheae begin at the surface of the insect's body and p..
A speaker generating a tone at 281 Hertz is moving towards a stationary observer with a speed of 59 meter per second. Find the frequency of the tone perceived by observer
A diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position. find his angular velocity when he left the diving board
An airplane has an air speed of 125 mph and an apparent heading due south (the nose of the plane is pointed south). Find the ground speed of the airplane and its heading relative to the earth
What is the net upward force on an airplane wing of area 27.8 m2 if the speed of air flow is 242 m/s across the top of the wing
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
A converging lens with a focal length of 88.5 centimeter forms an image of a 3.50 centimeter tall real object that is to the left of the lens. Find where are the object and image placed in relation to the lens
Block A has a mass 3.0 kg, block B has a mass 2.0 kg, and block C has a mass 1.0 kg. The three blocks are on a frictionless surface connected with a massless string. A force of 12 N is pulling the block A to the left. What is the magnitude of acce..
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