Physics, 28.06.2019 11:00 joselaboyNC16
What is the centripetal force that would be required to keep a 4.0 kg mass moving in a horizontal circle with a radius of 0.80 meters at a speed of 6.0 meters/second? a. 3.9 Ć 101 newtons tangent to the circle b. -3.0 Ć 101 newtons tangent to the circle c. 1.4 Ć 102 newtons radially outward d. 1.8 Ć 102 newtons radially inward e. 1.8 Ć 102 newtons radially outward
Answers: 1
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1Ć10ā9 c is suspended on a string in a uniform horizontal eā field. the string deviates to the right and makes an angle of 30ā with the vertical. part a part complete what information about the eā field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of eā only the direction of eā both the magnitude and the direction of eā none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 14:00
What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
Answers: 1
Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
What is the centripetal force that would be required to keep a 4.0 kg mass moving in a horizontal ci...
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