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3 years ago

Due to the tilt of the Earth's axis,

1 answer:

3 0

6 months with no sunrise and the other 6 without a sunset, at some places on Earth, are the result of the orientation of Earth's axis.

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A beachgoer leaves a pair of sandals on the shore while she swims. When she puts the sandals on again, the bottom of her feet wi

Vadim26 [7]

Well if shes at a beach i would think that the sun is out and because of radiation they're gonna get hot. somebody should probably warn her or she's gonna burn her feet

4 0

4 years ago

Read 2 more answers

Light of wavelength 608.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 88.5 cm from the slit.

Effectus [21]

Answer:

The width of the slit is 0.167 mm

Explanation:

Wavelength of light, $\lambda=608\ nm=608\times 10^{-9}\ m$

Distance from screen to slit, D = 88.5 cm = 0.885 m

The distance on the screen between the fifth order minimum and the central maximum is 1.61 cm, y = 1.61 cm = 0.0161 m

We need to find the width of the slit. The formula for the distance on the screen between the fifth order minimum and the central maximum is :

$y=\dfrac{mD\lambda}{a}$

where

a = width of the slit

$a=\dfrac{mD\lambda}{y}$

$a=\dfrac{5\times 0.885\ m\times 608\times 10^{-9}\ m}{0.0161\ m}$

a = 0.000167 m

$a=1.67\times 10^{-4}\ m$

a = 0.167 mm

So, the width of the slit is 0.167 mm. Hence, this is the required solution.

7 0

3 years ago

A runner taking part in the 200 m dash must run around the end of a track that has a circular arc with a radius of curvature of

Dominik [7]

Answer:

The centripetal acceleration of the runner as he runs the curved portion of the track is 0.91 m/s²

Explanation:

Given;

distance traveled in the given time = 200 m

time to cover the distance, t = 29.6 s

speed of the runner, v = d / t

v = 200 / 29.6

v = 6.757 m/s

The centripetal acceleration of the runner is given by;

$a_c = \frac{V^2}{r}$

where;

r is the radius of the circular arc, given as 50 m

Substitute the givens;

$a_c = \frac{V^2}{r}\\\\a_c = \frac{(6.757)^2}{50}\\\\a_c = 0.91 \ m/s^2$

Therefore, the centripetal acceleration of the runner as he runs the curved portion of the track is 0.91 m/s².

5 0

3 years ago

What’s the net force of a box with 60n left and 20n right

natita [175]

Answer and Explanation:

There would be a net force of 40n going left, because 20n going right would cancel out the 20n in the 60n going left, making 40n go left.

#teamtrees #PAW (Plant And Water)

3 0

3 years ago

There are clouds forming over Florida. The temperatures in the clouds and in the air are above freezing. Which form of precipita

PtichkaEL [24]

The type of precipitation expected to occur in Florida is "Rain" when the temperatures of air and clouds are above freezing point.

Explanation:

Under certain conditions, water droplets get freezes due to low temperatures. However, if the temperature of the air beneath the cloud is higher than the freezing point 32°F (0°C), the frozen start to meltdown due to high temperature and falls as raindrops on the surface of the earth. Hence Rain form of precipitation is expected to occur in Florida when the temperature of the cloud and air is above freezing.

6 0

4 years ago