PHYSICS HIGH SCHOOL

Currently, Earth's tilt is closest to _____.A. 0°
B. 14.5°
C. 23.5°
D. none of these because, Earth's tilt changes dramatically with each orbit

Answers

Answer 1
Answer: Earth's tilt is closest to 23.5°. (C)
Answer 2
Answer: the answer is c. hope this helps.

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What is the speed of a boat that travels 20 miles in 60 minutes? Please answer in miles per hour.Formula : speed = distance time
The solubility of most solids _______ as temperatures decreases.
A 1500 kg car drives around a flat 200-m-diameter circular track at 25m/s. What are the magnitude and direction of the net force on the car? What causes this force?

Condensation nuclei are particles of atmospheric dust around wich______.A.cloud droplets form
B. Ozone collects
C. Evaporation occurs
D.winds form

Answers

A! If you think of droplets as cells then it makes a lot more sense that it would be called a condensation nuclei 

Final answer:

Condensation nuclei are small particles in the atmosphere where water vapor condenses to form cloud droplets, making option A the correct answer. They are essential for cloud formation.

Explanation:

Condensation nuclei refer to small particles typically present in the atmosphere, on which water vapor can condense to form cloud droplets.

This means option A is the correct answer.

These nuclei can be composed of various substances like dust, volcanic ash, sea salt, etc. They are crucial for cloud formation, and without them, water vapor would need to supercool to a very low temperature before it could form droplets.

Learn more about Condensation nuclei here:

brainly.com/question/35490017

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When you run around a track at 5 km/h, your velocity is constant.

Answers

No it isn't.  Speed and direction are both components of velocity. 
When you run around the track at 5 km/hr, although your speed is
constant, your direction keeps changing, so your velocity does too.

An electromagnetic wave traveling through a vacuum has a wavelength of .15 meter. What is the period of this electromagnetic wave?

Answers

Tools we'll need:
Speed of EM wave in vacuum = 3 x 10⁸ meters per second.
Frequency = (speed) / (wavelength)
Period = 1/frequency

Period = (wavelength) / (speed) = (0.15) / (3 x 10⁸) = 0.5 nanosecond

( "nano..." = 10⁻⁹ )

The Moon is made up of minerals similar to those on Earth, which areA. rilles.
B. lunar breccias.
C. silicates.
D. highlands.

Answers

Let's look at them in turn until we find the correct answer:

A) Rile is a kind of formation on the moon, but it's not a mineral
B) brecchia is a kind of rock composed of broken minerals. But, lunar breccias would not be similar to those found on earth
C) is the correct answer! it's a mineral containing silica

What kind of scientist investigation involve making observations

Answers

Scientists need to make observations when measuring growth rates of different organisms, when observing mating rituals of animals, and when determining characteristics of new substances. These are but a few examples.
When you study animals.

A mass of 2kg has a kinetic energy of 16J.what is the momentum of the body?​

Answers

Explanation:

mass - 2kg

energy - 16 j

2

k.e- 1/2mv

2

16j=1/2×2×v

2

16×2/2=v

2

16=v

√16=v

V=4m/s

then momentum =mv

= 2×4

= 8 kgm/s
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