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You watch a distant carpenter driving his nails into the side of a house at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. You then hear one more blow after you see him stop hammering. How far away is he? Justify your ANSWER---BE BRIEF.
Solution1 : The information tells you that sound travels for one second before reaching you the actual distance will depend on temperature, since the speed of sound varies with temperature, at 20 deg C it is approx 343m/s, so if this is a nice spring day, you are 343m away
A 25nF capacitor is connected in parallel with a coil of resistance 2kΩ and inductance 0.20H across a 100V, 4 kHz supply. Determine (a) The current in the coil, (b) The cur
Stokes' Formula: When a spherical object falls by the fluid, layer in immediate touch with it, sticks to it and goes along with the object with the same speed. The layer next to i
What are the non- medical uses for endoscopy? Non-medical uses for endoscopy are as follows: a. The planning and architectural community have determine the endoscope helpful
#question.law of successive disintegration and conditions of radioactive equilibrium?
Comparing a DC circuit to the flow of water A normal DC circuit has a DC voltage source lighting a light bulb. Also displays are a hydraulic system in that water drives a turbi
Assume the condition for balance in a Wheatstone Bridge Using the principle of Wheatstone bridge, describe the method to determine the specific resistance of a wire in the laborato
Figure shows the magnetic circuit of a relay. When each of the air gaps are 1.5mm wide find the mmf required to produce a flux density of 0.75 T in the air gaps. Use the B-
A certain spring is known to obey Hooke's Law. If a force of 10 newtons stretches the spring 2 meters, how far will a 30 newton force stretch the spring? Ans: A certain spr
#question.knk
Q. Define: ampere in terms of force Ampere is defined as that steady current which when flowing through two parallel infinitely long straight conductors of negligible cross se
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