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What is represented by vectors?
In physics, this will usually refer to a measurement that has both a magnitude and a direction.
What is G in physics and what is the value of G?
Among other things, it may refer to the gravitational constant - the constant of proportionality for the universal law of gravity. In SI units, it's magnitude is 6.67 x 10-11 m3kg-1s-2.
What does the half-life of a radioisotope refer to?
The length of time it takes for half of a radioactive sample to decay
Is speed the same as rate?
speed=distance/time rate= distance/time so pretty much, yes
How many meters to the sun?
The actual distance varies as the earth follows an elliptical orbit around the sun. However, the Astronomical Unit (AU) is defined as a unit of measuring distance in space (much smaller than light years). The AU is the average distance between the earth and the sun and is equal to 149,597,870,700 meters. It is common to refer to it as 150 million Kilometers.
In mathematics what term is used to refer to the quantity that has been both magnitude and direction?
Vector.
What does magnitude refer to when doing mathematics?
Magnitude refers to the size of a mathematical object. The greater an object's volume, area, or length, the greater its magnitude. The magnitude of a number is referred to as its "absolute value."
What does vector mean?
A quantity having direction as well as magnitude, also, the word can be used to refer to disease-spreading organisms (such as fleas and rats).
What does the greek letter lambda mean in a formula?
It depends on the context. It can refer to the parameter of the Poisson distribution, the length (particularly wavelength), the distance parameter in vector representation of a line r = a + lambda*b where r, a and b are vectors.
If two stars have the same apparent magnitude are they the same distance from Earth?
No. Brighter distant stars can have the same apparent magnitude as fainter stars that are closer.(Absolute magnitude does not refer to actual brightness, but rather to what the brightness of a star would likely be at an arbitrary distance of 10 parsecs, rather than its actual distance.)
What is advance distance-vector algorithm?
Distance-vector algorithms refer to routing protocols - protocols used by routers to inform each other about available routes. In distance-vector algorithms, such as RIP or EIGRP, the routers inform each other about their routing tables, and each router adds a metric (or distance) to the route - however, the routers don't know about the topology of the network (unlike the link-state protocols, such as OSPF).
What does absoolute magnitude mean?
Absolute magnitude is the equivalent of the mathematical operation of modulus abs(+3) = abs(-3) = 3 However, in vector math it can refer to taking the scalar magnitude of the vector. Eg. If V = velocity in forward direction (lets say towards the positive X axis) then -V velocity in the backward direction (towards the negative X axis) However, abs(V) = abs(-V) =V (which is the speed )
What equals length?
It is usually a measure of distance. The distance is often along a straight line or it could refer to the length of an arc, and depends on the metric that is defined on the relevant space.
What do you call the space between two points?
I assume you refer to the distance between the points.I assume you refer to the distance between the points.I assume you refer to the distance between the points.I assume you refer to the distance between the points.
Does apparent magnitude refer to real luminosity?
No. Apparent magnitude (or luminosity) means how bright a star (or other object) looks to us; absolute magnitude (or luminosity) refers to how bright it really is.
What is represented by vectors?
In physics, this will usually refer to a measurement that has both a magnitude and a direction.
Would a radio controlled car produce an average velocity of zero?
For the purposes of this explanation, velocity will be given in m/s. If it's starting position is the same as its stopping position, the radio controlled car will have an average velocity of zero meters per second. This is because average velocity is displacement/time interval. Displacement is change in position and is a vector quantity, which has magnitude and direction. Average velocity is the displacement/time interval, and is also a vector quantity, including the magnitude of the speed and its direction. If you start and stop walking at the same position, your displacement is 0m, even if you walked a distance of 100 miles, and your average velocity would be 0m/s. Refer to the related link below for an illustration.
