Physics, 16.04.2020 03:17 vladisking888
Two identical strings, A and B, have nearly the samtension. When they both vibrate in their fundamental resonantmodes, ther is a beat of 3Hz. When string B is tightenedslightly, to increase the tension, the beat frequency becomes 6 Hz. This means.
A)that before and after tightening B has a higher frequencythan that of AB)That before and after tightening A has a higher frequencythan B. C)that before tightening B had a higher frequency than A, butafter tightening, A has a higher frequency than B. d) that before tightening A had a higher frequecy than B, butafter tightening. B has a higher frequency than A. E) none of the above.
Answers: 1
Physics, 22.06.2019 07:00, marlenemedina247
World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
Answers: 2
Physics, 22.06.2019 18:00, jeff2852
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
Two identical strings, A and B, have nearly the samtension. When they both vibrate in their fundamen...
History, 01.08.2019 11:30
Biology, 01.08.2019 11:30