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if you had a small diameter spring and made pulses, then got a different diameter spring, with the same tension and same length of the spring
A) what makes this spring act differently as a medium?
B) What change in tension would make the pulses on this spring have the same velocity as the original spring.
C) What are two ways to affect the speed of a wave?
When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How much energy is released when 0.0285 m (1.12 inch) of rain falls over an area of 2.59×106 m2 (one square mile)? (b) If the average energy needed to h..
Alberta is going to have dinner at her grandmother's house, but she is running a bit behind schedule. What is the slowest speed at which she could drive
Suppose a bat chirp has a frequency of 29 kHz. How fast would the bat have to fly, and in what direction, for you to just barely be able to hear the chirp at 19 kHz
A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.
A metal wire 1.3mm in diameter and 1.8m long hangs vertically with a 5.4-kg object suspended from it. what is the value of the Young's modulus for the metal
The driver of a truck slams on the brakes when he sees a tree blocking the road. With what speed does the truck then strike the tree
A pump is required to lift a mass of 780kg of water per minute from a well of depth 13.7m and eject it with a speed of 17.9m/s, What must be the power output of the pump
A cryogenic storage container holds liquid helium, which boils at 4.2 K. Suppose a student painted the outer shell of the container black, Determine the rate of heat loss due to radiation
According to one set of measurements, the tensile strength of hair is 196MPa , which produces a maximum strain of 0.380 in the hair. What is the magnitude of the force giving this tensile stress
An opera singer in a convertible sings a note at 600 whereas cruising down the highway at 81. What is the frequency heard by a person standing beside the road in front of car? What is the frequency heard by the person standing beside the road behi..
A young woman buys a sports car that can accelerate at the rate of 5.47m/s2. She decides to test the car by drag racing with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.47s before Kathy. Stan ..
The electric field on the axis of a uniformly charged ring has magnitude 350kN/c at a point 6.0cm from the ring center. Find the rings charge in nC
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