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4 years ago

What type of precipitation would likely be falling from cumulus clouds with a ground air temperature of 14°C?

1 answer:

3 0

Rain would be the type of precipitation likely to be falling from cumulus clouds with a ground air temperature of 14 degrees Celsius. This is because in order for it to be snow it would have to be at or below 0 degrees celsius which is the freezing point.

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The perimeter of a rectangle can be found using the equation P = 2L + 2W, where P is the perimeter, L is the length, and W is th

sweet [91]

Answer:

The perimeter of the rectangle is 60 units.

Explanation:

The perimeter of a rectangle is given by the equation P = 2L + 2W. With W = 12 units and L = 18 units, substituting the values in the equation above:

P = 2(18 units) + 2(12 units)

P = 36 units + 24 units

P = 60 units

8 0

4 years ago

A rocket with a mass of 2.0 Ã 106 kg is designed to take off from the surface of the earth by burning fuel and ejecting it with

julsineya [31]

thrust force getting from the burning of mass should balance the weight of the rocket

here thrust force is given as

$F_t = v\frac{dm}{dt}$

now by force balance we can say

$mg = v \frac{dm}{dt}$

now plug in all values in this

$(2 \times 10^6)(9.8) = 3500 \times \frac{dm}{dt}$

$\frac{dm}{dt} = \frac{19.6 \times 10^6}{3500}$

$\frac{dm}{dt} = 5600 kg/s$

so rate of mass burning per second will be 5600 kg per second in order to lift up the rocket

6 0

3 years ago

Which method of heat transfer warms the air just above hot sand on a beach?

eduard

Heat is transferred by a fluid's macroscopic movement, which is known as convection. Weather systems and forced-air furnaces both use this form of transmission. Thus, option A is correct.

<h3>What Convection method of heat transfer warms?</h3>

Convection, as heat is transmitted through the sand's solid structure. Conduction, as the air particles that come into contact with the hot sand travel more quickly.

The heat is transferred inside the fluid during convection. Heat transfer in radiation happens by electromagnetic waves without the use of particles.

Conduction, as heat is transferred using electromagnetic waves Convection, since heat is transferred by air particles without the usage of a medium.

Therefore, Convection, because heat is transferred through the solid sand.

Learn more about Convection here:

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4 0

1 year ago

In a supermarket, you place a 22.3-N (around 5 lb) bag of oranges on a scale, and the scale starts to oscillate at 2.7 Hz. What

allsm [11]

Answer:

Force constant, k = 653.3 N/m

Explanation:

It is given that,

Weight of the bag of oranges on a scale, W = 22.3 N

Let m is the mass of the bag of oranges,

$m=\dfrac{W}{g}$

$m=\dfrac{22.3}{9.8}$

m = 2.27 kg

Frequency of the oscillation of the scale, f = 2.7 Hz

We need to find the force constant (spring constant) of the spring of the scale. We know that the formula of the frequency of oscillation of the spring is given by :

$f=\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}$

$k=4\pi^2 f^2m$

$k=4\pi^2 \times (2.7)^2\times 2.27$

k = 653.3 N/m

So, the force constant of the spring of the scale is 653.3 N/m. Hence, this is the required solution.

7 0

4 years ago

Newton’s ______ law of motion states that "an object at rest will stay at rest, and an object in motion will stay in motion, unl

Musya8 [376]

Newton’s <u>first</u> law of motion states that "an object at rest will stay at rest, and an object in motion will stay in motion, unless acted on by an unbalanced force.

It is possible to consider Newton's first law to be the law of inertia. It helped us realise that when a body is at rest, it will remain at rest until an external force is applied to it, or if a body is travelling at a constant speed, it will stay moving until an external force is applied.

Only when net force is applied will a body move from its resting position. An illustration of this law can be seen when a passenger in a car fastens their seat belt. Both stationary and moving objects are covered by this law.

Learn more about force:

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7 0

2 years ago