The corresponding violin strings on two violins in an orchestra are found to produce a beat frequency of 2. Hz when a frequency of 660. Hz is played
What percentage change in the tension of one of the strings would bring them to the same frequency?
0.6%
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Constant Acceleration Kinematics: A car increases its forward velocity uniformly from 40 m/s to 80 m/s while traveling a distance of 200 m. What is its acceleration during this time?
A. 8.0 m/s2 B. 9.6 m/s2 C. 12 m/s2 D. 24 m/s2
You have a machine which can accelerate pucks on frictionless ice. Starting from rest, the puck travels a distance x in time t when force F is applied. If force 3F is applied, the distance the puck travels in time t is
A. x. B. (3/2)x. C. 3x. D. (9/2)x. E. 9x.
How tightly the nucleons in a nucleus are bound together is indicated by the nucleus's
a. atomic number b. mass number c. neutron number d. half life e. binding energy
The more baryons there are in the universe (a higher density of baryonic matter), the lower the ratio of deuterium to hydrogen is. Therefore, if Harry measures a higher ratio of deuterium to hydrogen than Sally, Harry infers
A) a higher density of baryons than Sally. B) the same density of baryons as Sally. C) a lower density of baryons than Sally.