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4 years ago

"the destructive force of waves is not felt while they are out at sea, in the open ocean, but it is felt when they do what?"

1 answer:

7 0

The destructive force of waves is not felt in open ocean, for example boats far away from the coastline can ofter survive even catastrophic tsunamis. The force is felt and damage is done once the waves reach land, or very shallow water.

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Three forces act on a box on an inclined plane as shown in the diagram below. [Vectors

jok3333 [9.3K]

Answer:

zero

Explanation:

For the box remaining at rest, the total acceleration on the box must be zero. Since force F = m*a, the force F must also be zero.

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3 years ago

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?

Anika [276]

Replenishes Freshwater resources and moderates extremes in climate :))

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3 years ago

The type of data collected through remote sensing includes _____.

Anit [1.1K]

Remote sensing is used in numerous fields, including geography and most Earth Science disciplines. It also has military, intelligence, commercial, economic, planning, and humanitarian applications.

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4 years ago

An isolated, irregularly shaped piece of platinum carries -8.89 × 10-9 C of charge and is in electric equilibrium. The size of t

rusak2 [61]

Answer:

c) equals V

Explanation:

This is because, since the isolated, irregularly shaped piece of platinum is in electric equilibrium, the electric potential at all points on its surface is V. So that, the potential difference across any point is zero. This implies that diametrically opposite sides have the same potential and thus, the potential at other points of the surface is V since it is in electric equilibrium.

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3 years ago

Water drips from the nozzle of a shower onto the floor 193 cm below. The drops fall at regular (equal) intervals of time, the fi

Law Incorporation [45]

Answer: 108.81 cm and 48.66 cm

Explanation:

In this, we have to make sure to keep in mind the Gravity effects on the drops. The drops will accelerate when they fall making them travel faster. This means, the velocity is not constant.

What is know:

Height (h) = 193 cm

Gravity (g) = 981 $cm/s^{2}$

Initial Velocity = 0

First, we can know how long it take to the drop to travel to the floor. It can be done with the following equation:

$x = V_{0} t + \frac{1}{2} at^{2}$ (1)

Where:

x is the distance which is 193cm

Vo is the Initial Velocity which is zero

t is the time the time it takes the drop to travel from the shower to the floor

a is the aceleration, which in this case is the gravity.

With the Initial Velocity equals zero the equations simply:

$193 cm = \frac{1}{2}gt^{2}$

To search for the time:

$t =\sqrt{\frac{2*193cm}{981cm/s^{2} } }$

t = 0.627 s

This is the time it takes a drop to fall to the floor, with this time and knowing other 3 drops have driped from the shower by this time. We can calculate how much time it takes the shower to drip each drop.

Time for Drip = t/4

Time for Drip = 0.156

This time is the difference between each drop, using the same equation we can calculate where was each drop, because now it is know how much time had each drop after being drip from the shower.

Our first is already on the floor (193 cm) with 0.627 s, The second drops have been falling for (0.627s - 0.156) 0.471 s and our third drop for (0.627s - 0.156 - 0.156) 0.315 s

We can use (1) to know how far have each drop traveled on these times. We know the Initials Velocity are 0, know we need ot know the distances.

For the second drop:

$x = \frac{1}{2} (981cm/s^{2})(0.471s)^{2}$

$x =108.81 cm$

For the third drop:

$x = \frac{1}{2} (981cm/s^{2})(0.315s)^{2}$

$x = 48.66 cm$

8 0

3 years ago