Physics, 06.07.2019 02:30 mildredelizam
A4-kg ball is 2 cm away from one 1-kg ball and 6 cm away from another 1-kg ball. use the relationships among the balls to describe two factors that affect gravity. also explain why the balls do not move toward each other unless acted upon by another force.
Answers: 1
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
Physics, 23.06.2019 00:10
An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Physics, 23.06.2019 02:00
How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?
Answers: 2
Physics, 23.06.2019 14:00
Explain how the absorption of sound waves differs from the transmission of sound waves.
Answers: 1
A4-kg ball is 2 cm away from one 1-kg ball and 6 cm away from another 1-kg ball. use the relationshi...
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