The daily driving limit for time spent behind the wheel should be no more than

1 answer:

3 0

<span>The daily driving limit for time spent behind the wheel should be no more than Six to eight hours.
Passed this point, both your mind and your muscles will be exhausted and your response time will be way slower than normal, which will increase the risk of collision on the road.</span>

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In portfolio margin, equity options and stocks are tested with /- 15% price changes.~If you buy $100,000 worth of ABCD stock, wh

zavuch27 [327]

The portfolio margin requirement is mathematically given as

M = 15,000

This is further explained below.

<h3> What is the portfolio margin requirement?</h3>

Generally, the equation for Margin requirement is mathematically given as

M= 15% of 100,000

Therefore

M = 15,000

In conclusion, The portfolio margin requirement is mathematically given as

M = 15,000

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Newton’s law of cooling states that for a cooling substance with initial temperature t0, the temperature t(t) after t minutes ca

antoniya [11.8K]

The cooling rate of the substance is approximately 0.0732.

According to the statement, the Newton's law of cooling is defined by the following formula:

$T(t) = T_{s} + (T_{o}-T_{s})\cdot e^{-k\cdot t}$ (1)

Where:

$T_{s}$ - Final temperature, in degrees Celsius.
$T_{o}$ - Initial temperature, in degrees Celsius.
$t$ - Time, in minutes.
$k$ - Cooling rate, in $\frac{1}{min}$ .
$T(t)$ - Current temperature, in degrees Celsius.

Please notice that substance reaches thermal equilibrium when $T(t) = T_{s}$ , that is when temperature of the substance is equal to the temperature of surrounding air.

If we know that $T_{o} = 80\,^{\circ}C$ , $t = 15\,min$ , $T_{s} = 50\,^{\circ}C$ and $T(15) = 60\,^{\circ}C$ , then the cooling rate of the substance is: