Answer:
Velocity- v=10m/s south Speed- v=10m/s
Explanation:
the salar measurement of how fast an object is moving.
Velocity- v=10m/s south :
The vector rate of change of position.
Speed- v=10 m/s : the salar measurement of how fast an object is moving.
C.
With choice A - you can choose if you are being lazy. Choice B there are options to help control or manage stress. And choice D you are in control of if you have any conflicts with other workers.
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Answer:
When you have two materials with the same index of refraction, it means that if they are touched by a ray of light it won't have a chance, and its form would prevail.
Explanation:
The reason behind this is that in the first place. When light passes through an object of certain refraction it is modified from its natural state, allowing it to change in color to the human eye or many other effects in other perceptive elements. However, when the same light passes through two objects with the same refraction due to their physical characteristics, it doesn't change because once it comes out of the first one it will suffer the same effect from the last one. For it to change the refraction would have to be higher or lower. Then it would be modified. The reason is because the dimensions are not modified. Because at some point the ray of light has to come out of the first one to enter the second one.
Answer:
a) 
b) 
c) 
,
Explanation:
From the question we are told that:
Mass 
Velocity 
Coefficient of Rolling Friction 
a)
Generally the equation for The Propulsion Force is mathematically given by
b)
Therefore Power Required at
c)
Generally the equation for Work-done is mathematically given by
Therefore
Efficiency
Since
Energy in one gallon of gas is
Therefore
Answer:
1.574 [m/s²].
Explanation:
1) acceleration is: a=(V-V₀)/t, where V - final velocity [68km/h=18.(8)m/s]; V₀ - initial velocity [0]; t - elapsed time [12sec.];
2) according to the formula above:
a=18.(8)/12≈1.574 [m/s²].
