Problem related to horizontal direction
After a package is ejected from the plane, how long will it take for it to reach sea level from the time it is ejected? Assume that the package, like the plane, has an initial velocity of 270 mph in the horizontal direction.
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With regenerative braking, such as that used in hybrid vehicles, only 70 percent of the kinetic energy is dissipated.) (a) Find the energy dissipated by friction. (b) Find the coefficient of kinetic friction between the tires and the road.
The mass of mercury needed to fill the tube is found to be 107.5g. Calculate the inner diameter of the tube in centimeters.
Two loudspeakers are placed at either end of a gymnasium,both pointing towards each other . the sound emmited by the speakers are in phase and are of frequency of 256 Hz . an observer midway between the speakers expriences an intensity maximum. Ho
How much heat energy is needed to raise the temperature of a 50 g sample of aluminum from 32.7 ?C to 98.7 ?C? The speci?c heat of aluminum is 0.897 J/g · K. Answer in units of J
A laser emits light at a wavelength of 591 nm. How many photons and moles of photons does it emit each second if its power is 6.0 W?
A coin is placed on a vinyl record making 45 revolutions per minute. Calculate the period for the record. The coin is placed 9.1 from the center. The centripetal acceleration is _____ m/s2.
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
A cord of mass 0.730 kg is stretched between two supports 38.0 m apart. If the tension in the cord is 460 N, how long (in s) will it take for a wave-pulse to travel via the cord from one support to the other?
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Question: Which theory was studied by Karl Marx? Select one. Question options: conflict theory stereotype theory symbolic frameworks theory of beliefs N
Brofenbrenner's as well as other ecology researchers approach the study of the environment through the eye of the beholder-from the subject's point of view.
When people have behaved in such a way that they have made their schema come true even if it may not have been, they have demonstrated
Which theory relates to the 40-hour work week? Select one. Question options: systemic interactionism functionalism stereotypes bias implicit bias.
Substance use disorders (SUDs) are often complicated by co-occurring psychiatric conditions such as depression, anxiety, or personality disorders.
From general behavior analysis: Define "out of seat". Include examples and non-examples. From general behavior analysis:
What makes identity so important in adolescence? Option A identity stops in What makes identity so important in adolescence?