2 years ago

A car is accelerating to the right. In which direction is the applied force?

Physics

1 answer:

Natasha_Volkova [10]2 years ago

8 0

Answer:

Left

Explanation:

The force is applied opposite of the acceleration.

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Acceleration and Force

olga55 [171]

Answer:

I'm pretty sure its 3m/s^2 for the acceleration but I don't know the force part sorry .

Explanation:

15m/s - 0m/s divided by 5 s = 3m/s

I'm no expert or anything so I could be wrong but this is the best I can give you. Sorry

6 0

2 years ago

The wavelength of green light is about the size of an atom. (T/F)

Snowcat [4.5K]

Explanation:

The wavelength of green light is about 500 nanometers, or two thousandths of a millimeter. The typical wavelength of a microwave oven is about 12 centimeters, which is larger than a baseball.

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3 years ago

A skateboarder starts from rest and maintains a constant acceleration of 0.50 m/s² for 8.4 s. What is the rider's displacement d

gregori [183]

Answer:

4.2m/s

Explanation:

0.50x8.4=4.2m/s

3 0

1 year ago

Calculate the number of free electrons and holes (in m-3) in an intrinsic semiconductor that has electron and hole mobilities of

allochka39001 [22]

Answer:

ni = 2.04e19

Explanation:

we know that in semiconductor like intrinsic, when electron leave the band, it leave a hole in valence band so we have

n = p = ni

from intrinsic carrier concentration

$\sigma = n\left | e \right | \mu_e + n\left | e \right | \mu_h$

$\sigma = ni\left | e \right | \mu_e + ni\left | e \right | \mu_h$

$\sigma = ni \left | e \right | ( \mu_e + \mu_h)$

1.7 = ni * 1.6*10^{-19} * (.35 + .17)

ni = 2.014 *10^{19} m^{-3}

ni = 2.04e19

5 0

2 years ago

Does a wave with the high-pitched have a very low frequency

xeze [42]

No it's the opposite, ths higher the pitch the greater the frequency.

3 0

2 years ago