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3 years ago

18. _______ is a subtype of the continental climate.

Physics

1 answer:

irina1246 [14]3 years ago

3 0

C humid subtropical

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What is the speed of an electron traveling 32 cm in 2 ns?

abruzzese [7]

Answer:

Speed, $v=1.6\times 10^8\ m/s$

Explanation:

Given that,

Distance covered by the electron, d = 32 cm = 0.32 m

Time, t = 2 ns

We need to find the speed of an electron. Speed is equal to distance covered divided by time. So,

$v=\dfrac{0.32}{2\times 10^{-9}}\\\\v=1.6\times 10^8\ m/s$

So, the speed of the electron is $1.6\times 10^8\ m/s$ .

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3 years ago

In unit-vector notation, what is the net torque about the origin on a flea located at coordinates (-2.0, 4.0 m, -1.0 m) when for

kifflom [539]

Answer:

Torque, $\tau=-21i-8j+10k$

Explanation:

Given that,

Coordinates, $r=(-2i+4j-k)\ m$

Force acting on the flea, $F=(0i-5j-4k)\ N$

Let $\tau$ is the net torque about the origin on a flea. It is given by the following formula :

$\tau=r\times F$

$\tau=(-2i+4j-k)\times (0i-5j-4k)$

$\tau=\begin{pmatrix}-21&-8&10\end{pmatrix}$

$\tau=-21i-8j+10k$

So, the net torque about the origin on a flea is $-21i-8j+10k$ . Hence, this is the required solution.

6 0

3 years ago

When sound is created it travels to the car through a

Rasek [7]

A sound wave is a longitudinal wave caused by vibrations and carried through a substance. The particles of the substance, such as air particles, vibrate back and forth along the path that the sound waves travel. Sound is transmitted through the vibrations and collisions of the particles.

This could maybe help you with your answer.

4 0

3 years ago

Which of the following is a form of potential energy?

ozzi

Answer: nuclear energy

Explanation: nuclear energy

8 0

3 years ago

A very long stick ruled with meter markings is placed in empty space. A spaceship of rest length L = 100 m runs lengthwise along

alexira [117]

Answer: