subject
Engineering, 13.09.2019 00:30 200251

The van de graaff electrostatic generator develops a charge of approximately βˆ’1Γ—10βˆ’5c and a pith ball has charge of approximately 1 Γ— 10βˆ’9c. which of the following describes the relationship between the size of the force the van de graaff exerts on the pith ball and the size of the force the pith ball exerts on the van de graaff ?
(a) the van de graaff exerts a much larger force on the pith ball.
(b) the pith ball exerts a much larger force on the van de graaff.
(c) the forces have the same magnitude.

ansver
Answers: 1

Another question on Engineering

question
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
question
Engineering, 04.07.2019 18:10
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
question
Engineering, 04.07.2019 18:10
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
question
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
You know the right answer?
The van de graaff electrostatic generator develops a charge of approximately βˆ’1Γ—10βˆ’5c and a pith bal...
Questions
question
Mathematics, 21.06.2019 22:30
Questions on the website: 13722361