100 °c is a greater temperature than which of the following? a. 212 °f b. 232 °f c. 313.15 k d. 373.15 k
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Ответ:
Fahrenheit° = (1.8 · Celsius°) + 32° .
So 100°C works out to 212°F.
It's also easy to find the equivalent Kelvin. Just add 273.15 to the Celsius.
So now you can see that 100°C is equal to A and D,
and it's less than B .
The only one it's greater than is C .
Ответ:
Explanation:
We are given that
Initial kinetic energy of an electron=K
Distance=d
Final velocity=v=0
Charge,q=-1e
We have to find the magnitude of electric field.
Work done=![Force\times displacement](/tpl/images/0699/7410/4175d.png)
Using the formula
Work done=![qE\times d=-eEd](/tpl/images/0699/7410/384c9.png)
Using work energy theorem
Work done=Final K.E-Initial K.E=0-K
Work done=-K
Substitute the values
-K=-eEd
K=eEd
Hence, the magnitude of the electric field=![E=\frac{K}{ed}](/tpl/images/0699/7410/e8d5f.png)