Answer:
The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical phenomena in the absence of gravity.
Answer: The correct option is b.
Explanation:
The second law of the thermodynamics states that thermal energy can flow from the colder objects to hotter objects.
It is not possible to transfer heat from the colder body to hotter body without any work.
Energy will not flow spontaneously from the object at low temperature to an object at higher temperature.
Therefore, the correct option is b.
Force = [Mass x (velocity)^2]/Radius
Therefore,
The mass and the force are directly proportional.If you double the mass,the force will be doubled too.
A. Its centripetal force would <span>be doubled.</span>
Answer:
They have the same acceleration of 0.5m/s2 (please note m/s2 is the unit for acceleration and 2 is the power of s)
Explanation:
acceleration= velocity ÷ time
and the time is said to be 10seconds
velocity of car will be the new velocity- the initial velocity = 27-22= 5
acceleration= 5÷10
acceleration= 0.5
hope this helped
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Volume = mass / density = 45.6/10.5 = .... L