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3 years ago

6

a 72kg person is standing on a bathroom scale (calibrated in newtons). what is the reading of the scale when the acceleration is

1.6.

1 answer:

Likurg_2 [28]3 years ago

4 0

Answer:

F=ma

therefore A=F/M

Explanation:

i think that's what your doing but I'm not sure

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Help please help me with all of it I don't know nothing. bless ur hearts <br>

Evgesh-ka [11]

Answer:

200 , 0 , 133.33333

Explanation:

velocity = change of X / change of T

so

400/2 = 200

0/2 = 0

400/3 = 133.33333

3 0

3 years ago

If the frequency of the 13C signal of TMS is 201.16 MHz, the two 13C signals of acetic acid at 179.0 and 20.0 ppm are separated

Lelu [443]

The difference in frequency of the two signals is $1.33 \times 10^{10} \ kHz$ .

The given parameters;

<em>frequency of the 13 C signal = 201.16 MHz</em>

The energy of the 13 C signal located at 20 ppm is calculated as follows;

$E = hf\\\\E_1 = h \frac{c}{\lambda} \\\\E_1 = \frac{(6.626 \times 10^{-34})\times 3\times 10^8}{20 \times 10^{-6}} \\\\E_1 = 9.94 \times 10^{-21} \ J$

The energy of the 13 C signal located at 179 ppm is calculated as follows;

$E_2 = \frac{hc}{\lambda} \\\\E_2 = \frac{(6.626\times 10^{-34})\times (3\times 10^{8})}{179 \times 10^{-6} } \\\\E_2 = 1.11 \times 10^{-21} \ J$

The difference in frequency of the two signals is calculated as follows;

$E_1- E_2 = hf_1 - hf_2\\\\E_1 - E_2 = h(f_1 - f_2)\\\\f_1 - f_2 = \frac{E_1 - E_2 }{h} \\\\f_1 - f_2 = \frac{(9.94\times 10^{-21}) - (1.11 \times 10^{-21})}{6.626\times 10^{-34}} \\\\f_1 - f_2 = 1.33 \times 10^{13} \ Hz\\\\f_1 - f_2 = 1.33\times 10^{10} \ kHz$

Thus, the difference in frequency of the two signals is $1.33 \times 10^{10} \ kHz$ .

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4 0

3 years ago

A car takes 0.766 hours to drive 72.0 km to Georgia. How fast is the car going?<br> Please help

Karo-lina-s [1.5K]

Pretty fast. Everything looks fast when running past a light pole

8 0

3 years ago

A garbage truck crashes head-on into a Volkswagen and the two come to rest in a cloud of flies. Which experiences the greater fo

Artist 52 [7]

The volkswagon experiences a greater force as it was hit by a larger object that had a larger mass than itself

8 0

3 years ago

Convert 0 degrees Fahrenheit into kelvin

Ostrovityanka [42]

Answer:

0 degrees Fahrenheit is equal to 273.15 Kelvins.

Explanation:

basic formula °C + 273.15 = K. (°F − 32) × 5/9 = °C. (°F − 32) × 5/9 + 273.15 = K.

8 0

3 years ago