PHYSICS HIGH SCHOOL

A snail travels at a rate of 2.37 feet per minute. a. Write a rule to describe the function. b. How far will the snail travel in 6 minutes?

Answers

Answer 1
Answer:   a. 
distance = rate*time 
d = 2.37t 

b. 
d = 2.37*6 = 14.22 ft
Answer 2
Answer:

Answer:

b

Explanation:

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Answers

The best and most correct answer among the choices provided by your question is the first choice or letter A.

Compared to the emitted frequency, the frequency of the signal received by a stationary observer will appear to be: higher as the satellite approaches

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Un herrero calienta un trozo de acero en un horno para poder forjarlo.A medida que aumenta la temperatura del metal ¿Que ocurre con su densidad?¿Aumenta o disminuye? Explica tu respuesta

Answers


La densidad del metal disminuye a medida que se calienta . Piense en el agua . Cuando hace frío , se convierte en hielo , lo cual es muy densa . Cuando hace calor , se evapora en gas , que no es denso. 

Espero que esto no es confuso , yo no soy un hablante nativo de español .

Which theory proposes that the moon was a passing asteroid pulled into orbit by Earth's gravity?

Answers

The correct answer to the question above is the capture theory. The capture theory proposes that the moon was a passing asteroid pulled into the orbit by the Earth's gravity. It says that the moon was originally orbiting the sun, not the Earth.

Answer:

Capture Theory

Explanation:

According to capture theory, moon is passing space rock-asteroid which was captured into the orbit around the Earth due to gravity. Other planets have moons which are captured asteroid like Mars has two moons-Phobos and Deimos. Jupiter has many moons which are captured asteroids. Capture theory explains the difference in the composition of Earth and the moon.

The energy of the ball has been reduced by joules after bouncing back. This reduction happens because potential energy transforms to energy.

Answers

This reduction happens because potential energy transforms to "thermal energy" and "sound energy"

Hope this helps!

A shell if fired from the ground with an initial velocity of 1,700 m/s at an initial angle of 55 degrees to the horizontal. Neglecting air resistance, what is the shell's horizontal range?

Answers

Answer:

Therefore the horizontal range = 294897.96 m.

Explanation:

Range of a projectile: The range is defined as the horizontal distance from the point of projection to the point where the projectile hit the projection plane again. The S.I unit of range is Meter (m).

It can be expressed mathematically as

R = u²sin2∅/g............................. Equation 1

Where R = Horizontal range, ∅ = angle of projection, u = initial velocity, g = acceleration due to gravity.

Given: u = 1700 m/s, ∅ = 55°,

Constant: g = 9.8 m/s²

Substituting these values into equation 1

R = (1700²sin55)/9.8

R = 2890000/9.8

R = 294897.96 m.

Therefore the horizontal range = 294897.96 m.

A box weighing 18 N requires a force of 6.0 N to drag it at a constant rate. What is the coefficient of sliding friction?

Answers

Use f = uN to find the coefficient of friction. We know friction (6.0 N) and the normal forces (18 N), so plug them in to the equation which gives us 6 = u18. Solving for u: u = 0.33

The Correct Answer Is 0.33.
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