Are the light waves reflecting off a red stop sign longer or shorter than the waves reflecting off a Violet colored jacket

Answers

Answer 1

Answer:

The light waves reflecting off a red stop sign longer than the waves reflecting off a Violet colored jacket.

The visible spectrum is composed of seven wavelengths. These wavelengths are red, orange, yellow, green, blue, indigo, violet. The wavelengths of these waves decrease in this order.

This means that the wavelength of red light is longer than the wavelength of violet light therefore the light waves reflecting off a red stop sign longer than the waves reflecting off a Violet colored jacket.

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Answer 2

Answer: The light waves reflecting off a red stop sign(in road) are longer than those waves reflecting off a violet-colored jacket. Red has the longest waves.

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student built a simple heat engine that could lift masses. If the heat engine takes in 300 J of heat and loses 50 J to the environment, how much height will it lift a 1.5 kg mass?

Watching television, with theremote control in your hand, which of the following exerts the greatest gravitational force on you? A) The couch you are sitting on

B) The TV actors tne room

C) The moon

D) The remote control in your hand

Answers

A. The couch you are sitting on

Final answer:

The gravitational force an object exerts is influenced by its mass and distance. From the options, the moon exerts the most gravitational force because of its significant mass, despite being far away.

Explanation:

The factor that determines the gravitational force exerted by an object is both its mass and the distance from it. The equation for gravitational force is F = G * (m1 * m2) / r^2, where 'G' is the gravitational constant, 'm1' and 'm2' are the masses of the two objects, and 'r' is the distance between their centers.

In the options given: the remote control, the couch, TV actors, and the moon, despite the latter being far off, still, the moon exerts the strongest gravitational force on you. The magnitude of gravitational force exerted by the moon is larger due to its massive size compared to the rest, even though it's far away. The effect is noticeable in the ebb and flow of ocean tides caused by the moon's gravity.

Learn more about Gravitational Force here:

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What would be the necessary to use the accelerometer to measure in the units of m/s2

Answers

m/s2 is the SI of an acceleration.

a couple of things that are necessary to measure this :
- use the timing resources to measure the duty cycle
- performing a computationally intensive division operation

If the angular displacement= 3t²+2t,find the angular velocity and angular acceleration

Answers

Hi there!

The angular velocity is equivalent to:

$\omega(t) = \theta'(t) = (d\theta)/(dt)$

Take the derivative using the power rule:

$w(t) = (d\theta)/(dt) = \boxed{6t + 2}$

The angular acceleration is equivalent to:

$\alpha(t) = (d\omega)/(dt)$

Differentiate once again:

$\boxed{\alpha(t) = 6}$

Answer:

SORRY IDK BUT THX

Explanation:

suface winds on earth are primarily caused by differences in...?

Answers

Surface winds on earth are primarily caused by differences in temperature.

Surface winds are displacements of air, which migrates to regions of high air pressure to pressure points that is less.

Why are frying pans usually made out of metal?

Answers

We need heat to cook food. So, frying pans need to be a good conductor of heat. Since, metals are good (best) conductor of heat, frying pans are made out of metals.

Frying pans see usually made out of metal because metal is a great conductor of heat. The food can then cook faster. Why is metal a good conductor? it is because the molecules are tightly packed together, allowing the heat to travel through quickly

The force that one surface exerts on another when the two rub against each other is calledA. friction.
B. acceleration.
C. inertia.
D. gravity.

The law of universal gravitation states that any two objects in the universe that have mass, without exception,
A. attract each other.
B. repel each other.
C. combine to provide a balanced force.
D. create friction.

ANswer both

Answers

1. Friction (Example: when you rub your hands together and you start to feel heat.)

2. Attract each other. (Example: Every object has a gravitational pull of some sort. The larger the object, the stronger the gravitational pull. This is why the sun is able to keep all eight planets in orbit around it.)

3. Hope this helped :)

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