Generating a wave speed
The transverse waves travel with a speed of 20m/s in a string beneath a tension of 6N. Determine what tension is needed to generate a wave speed of 30m/s in the similar string?
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Determine the vibrational period and the spring constant. In the infrared spectrum of 1H79Br, there is an intense line at 2630 cm-1, which is assigned to the transition among the ground and the first excited vibrational states.
A bullet of 3.40 g moves with a speed of 160 m/s perpendicular to the magnetic field of earth of 5.00 x 10-5 T. When the bullet possesses a total charge of 13.5 x 10-9 C, by what distance will it be reflected from its path by the earth's magnetic fie
Determine the fundamental frequency (corresponding to the transition among the ground and the first exited states, incm-1), and zero point energy (in J). The spring constant of 79Br79Br is 240Jm-2.
Determine the numbers of moles of H2O form when the butane is burned totally? Determine the numbers of total molecules of gas form when all the butane burns?
A tuning fork of 440Hz is held above the closed pipe. Determine the spacing between the resonances if the air temperature is 20 degrees C. Compare this spacing to the spacing generated on an open pipe under the similar conditions.
What must the diameter of the axle be in order to increase the buckets at a steady 1.65 cm/s if it is turning at 7.8 rpm?
Determine the volume of methanol formed in the answer (D) above. The density of methanol is 0.7914 g/mL. A small car of of 4- cylinder engine averages 24 miles per gallon in typical city driving.
Determine the area under the standard normal curve for the following:
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Risky social support Another way in which the Internet can increase children's and adolescents' mental health problems is by fostering communication
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Although the Internet can be a helpful outlet for some youth in terms of exploring their sexual identify (e.g., LBGT youth who live in small, conservative commu
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Respond to at least two of your colleagues (one assigned to each of the other two disorders) on two different days and compare your assigned disorder
Its key advantage is high internal validity; its disadvantage is that randomization is often ethically or practically impossible.
Reflect: Briefly describe a personal belief or opinion you hold (e.g., a stance on a political issue, a preference for a certain type of media).