Computing average velocity for the trip
A car travels east at 91 km/h for 0.7 h. It then travels 30.0° east of north at 107 km/h for 0.6 h. What is the average velocity for the trip?
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Using a value of 343 m/s for the speed of sound, determine the maximum distance between the television viewer and the celebrity.
Distinguish between the terms actus reus and mens rea; how are they significant in criminal law? Which of the two is more difficult to prove in a trial, beyond a reasonable doubt?
A 0.35 kg point mass moving on a frictionless horizontal surface is attached to a rubber band whose other end is fixed at point P. The rubber band exerts a force F = bx toward P, where x is the length of the rubber band and b is an unknown constan
Annual Progress. Part I How does your school collect data on annual progress of student achievement?(MSA Maryland State Assessment given yearly during the first two weeks in March) Is the data collection of value? Yes it decides whether schoo
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone How much limestone in kilograms would be required to completely neutralize a lake containing of H2 per liter? 5.0 * 10-3 g SO4 5.2 * 109-L .
A 1.80 102 kg crate is being pushed across a horizontal floor by a force vector P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of vector P , so that the net work
For this wave determine (a) the wavelength (b) the frequency (c) velocity (magnitude and direction) (d) amplitude and (e) maximum and minimum speeds of particles of the cord.
A particle with a charge of 4.22 10-6C is placed between two parallel plates and feels a force of 1.61 10-4N. What is the strength of the field between the two plates?
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