Physics, 25.03.2020 06:30 colochaortiz20p7cajw
A string is rigidly attached to a post at one end. several pulses of amplitude 0.15 m sent down the string are reflected at the post and travel back down the string without a loss of amplitude. what is the amplitude at a point on teh string where the maximum displacement points of two pulses cross? what type of interference is this
Answers: 3
Physics, 22.06.2019 18:00
Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
Physics, 23.06.2019 01:00
7types of electromagnetic waves from lowest to highest frequency
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Physics, 23.06.2019 06:50
It's time for santa to deliver his presents. assuming he delivers presents all over the world, he has to travel about 75,000,000 miles. if he travels east to west, he can use the time zones to make christmas day last 31 hours. what speed, in miles per hour, must santa fly to get all of his presents delivered?
Answers: 1
A string is rigidly attached to a post at one end. several pulses of amplitude 0.15 m sent down the...
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