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A motorboat maintained a constant speed of 24 miles per hour relative to the water going 35 miles upstream and then returning the total time for the trip was 3.0 hours What is the speed of current?
Wiki User
∙ 9y ago
The current speed is about 4 miles per hour.
Wiki User
∙ 9y ago
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Is relative dielectric constant dimensionless?
Correct: it is a dimensionless number.
What is dk measurement?
DK measurement is the measurement of the relative dielectric constant of liquids and solid material. It is a measure of permeability.
What is Avogadro constant?
Avogadro constant or number is the number of atoms in one mole, which is equal to 6.0221415 × 10^23. Edited to: The Avogadro constant is the number of particles (atoms, molecules or compounds) in one mole of a substance. It is the number of atoms in exactly 12g of carbon-12. As for all other elements, one mole of those is found in the relative atomic mass of that substance which is calculated relative to one twelfth of a carbon-12 atom e.g. one mole of oxygen atoms is in 16g of oxygen... and a mole was experiemtally worked out to contain 6.0221415 × 10^23 particles.
What is constant k?
There are a number of K constants:1) k, the spring constant in Hooke's law relating deformation (strain) and force applied (stress) to a material body.2) k or kB, the Boltzmann constant, the physical constant relating energy and temperature at the particle level.3) K is a thermodynamic chemical equilibrium constant.4) Coulomb's constant k e is used in measuring electrostatic interaction between electrically charged particles. It comes from three other constants: the speed of light c 0 , magnetic permeability μ 0 , and electric permittivity ε 0.5) κ (kappa), in semiconductor manufacturing, means a low-κ dielectric: a material with a small dielectric constant relative to silicon dioxide.
What are absolute relative and polar coordinates?
absolute relative and polar coordinates definition
Is a rowboat slow?
According to Einstein, everything is relative. So, compared to (relative to) swimming, no, a rowboat is not slow. But, relative to a motorboat, then yes, a rowboat is slow.
What is relative permittivity if dielectric constant of water is 80.10?
'Dielectric constant' is an archaic term for relative permittivity. They are one and the same.
What is relative rate constant?
The relative rate constant is a ratio of the rate constants of two reactions in a chemical reaction mechanism. It is used to determine the rate of reaction between different reactants in relation to each other.
How can I find the uncertainty when a constant is divided by a value with an uncertainty?
To find the uncertainty when a constant is divided by a value with an uncertainty, you can use the formula for relative uncertainty. Divide the absolute uncertainty of the constant by the value, and add it to the absolute uncertainty of the value divided by the value squared. This will give you the combined relative uncertainty of the division.
Is relative dielectric constant dimensionless?
Correct: it is a dimensionless number.
What Value remains constant in ultrasonic testing?
In general ultrasonic velocity is considered as a constant value relative to the material.
What is true of a person walking up the steps of a downward moving escalator at a constant speed?
The person's speed relative to the ground is constant, however, their speed relative to the escalator is slower because they are moving against its direction.
What happens to the motion of the object if you change the mass of the object but keep the net force constant?
The relative change in mass will be ofset by a relative change in acceleration:dm/m + da/a=0
What is meant about di-electric constant?
The dielectric constant (also known as relative permittivity) is a measure of a material's ability to store electrical energy in an electric field. It indicates how much a material can be polarized by an applied electric field. Materials with higher dielectric constants can store more electrical energy and are used in capacitors and insulating materials.
Is length a constant?
No, length is a relative measure. If an object is travelling close to the speed of light it undergoes Lorenz contraction.
What is dk measurement?
DK measurement is the measurement of the relative dielectric constant of liquids and solid material. It is a measure of permeability.
What is used to describe the conditions of a reaction at equilibrium?
The equilibrium constant (K) is used to describe the conditions of a reaction at equilibrium. It provides information about the relative concentrations of products and reactants at equilibrium.
