PHYSICS HIGH SCHOOL

You kick a ball with a speed of 14 m/s at an angle of 51°. How far away does the ball land?

Answers

Answer 1
Answer: -- The vertical component of the ball's velocity is 14 sin(51°) = 10.88 m/s

-- The acceleration of gravity is 9.8 m/s².

-- The ball rises for 10.88/9.8 seconds, then stops rising, and drops for the
same amount of time before it hits the ground.

-- Altogether, the ball is in the air for (2 x 10.88)/(9.8) = 2.22 seconds
==================================

-- The horizontal component of the ball's velocity is  14 cos(51°) = 8.81 m/s

-- At this speed, it covers a horizontal distance of (8.81) x (2.22) = 19.56 meters
before it hits the ground.


As usual when we're discussing this stuff, we completely ignore air resistance.
Answer 2
Answer:

Answer:

19.6 m

Explanation:

Apex ; good luck to all :)

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An electromagnetic am band radio wave could have a wavelength of?1) .005m
2) 5m
3) 500m
3) 5,000,000m

Answers

An electromagnetic am band radio wave could have a wavelength of 500m, i.e., 500 meters(Option 3).

What is wavelength?

A wavelength is a disturbance that travels into space with a given frequency and amplitude.

  • Electromagnetic wavelengths can be classified depending on their type of frequency.

In conclusion, an electromagnetic am band radio wave could have a wavelength of 500m (Option 3).

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The frequency of choice-3 is

         (3 x 10⁸ m/s) / (500 m)  =  600,000 Hz.

That number is the 600 near the bottom of the AM radio dial.

Which type of volcano is most likely to form fluid lava ?

Answers

Answer:

The answer is Hawaiian or Shield volcano.

Explanation:

Volcanoes can be classified according to their shape or according to their type of eruption.

Hawaiian volcanoes (also known as shield volcano) are volcanoes of calm eruption, because the lava is very fluid. The gases are easily released and no explosions occur. The volcano that forms has a shield appearance, since lava, being very fluid, covers a large area before solidifying.
the answer would be shield volcano hope it helped

How far away is Earth from the Sun?a. 93 miles
b. 93 thousand miles
c. 93 million miles
d. 93 billion miles

Answers

d. 93 billion miles

Earth, being the third planet from the sun is unique in the universe  because it is currently the only planet known to support life. Earth's distance from the sun is really one of  the key reasons why it is has widespread  life.Earth occupies what scientists sometimes call the Goldilocks zone. Its distance from the sun means its neither too hot nor too cold to support liquid water. Water is thought to be a key ingredient for life. The energy from the sun in just the right intensity and the availability of water on the earth make it possible for life to thrive on earth. Plants use both these resources for photosynthesis and make nutrients that are available to support the life of animals on the earth. 
The answer is c. 93 million miles.

After generating a hypothesis, a scientist next: A. designs a series of tests. B. formulates a theory. C. makes a prediction. D. writes a grant proposal. E. does an experiment.

Answers

The answer is (c) because

What is an example of a high amplitude sound, and an example of a low amplitude sound?

Answers

Rock concerts and whispers are examples of a high-amplitude sound and a low-amplitude sound.

The largest displacement of sound wave constituents from their resting positions is referred to as amplitude. It stands for the loudness or intensity of a sound, to put it simply. Here are some illustrations of both high and low-amplitude sounds:

High Amplitude Sound: An illustration of a high amplitude sound is a rock concert with loudspeakers blaring songs at full intensity. The concert speakers produce sound waves with a tremendous amplitude, creating a powerful, strong sound that can be heard from a great distance.

Low Amplitude Sound: A low amplitude sound is something like the sound of a whisper. The sound created when someone whispers is calm and soft and not as loud as a rock concert, since the sound waves produced have a tiny amplitude.

In both cases, how loud or soft the sound is perceived by our ears depends on the amplitude of the sound waves. Low-amplitude sounds are soft and quiet, but high-amplitude sounds are strong and loud.

Hence, rock concerts and whispers are examples of a high-amplitude sound and a low-amplitude sound.

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High amplitude is a sound of high loudness like that of traffic, DJ, and earthquake volcano etc.

Low amplitude is feeble sound like that of light breeze, or that of whispering

5 example of the 1st , 2nd , 3rd law.

Answers

Answer:

The question seems to refer to Newton's Laws of Motion. Here are examples of the 1st, 2nd, and 3rd laws:

1st Law (Law of Inertia):

- An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and direction unless acted upon by an external force.

- Example: When a car suddenly stops, passengers continue to move forward due to their inertia until a seatbelt or airbag applies a force to stop them.

2nd Law (Law of Acceleration):

- The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

- Example: When pushing a heavy box and a lighter box with the same amount of force, the lighter box accelerates more because it has less mass.

3rd Law (Law of Action and Reaction):

- For every action, there is an equal and opposite reaction.

- Example: When you push against a wall, the wall pushes back with an equal amount of force.

It's important to note that these laws are foundational principles in classical physics and are widely applicable in understanding the behavior of objects in motion.

Explanation:
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