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3 years ago

The process in which water ice wind and gravity drop newly formed sedinments is called

Physics

2 answers:

lubasha [3.4K]3 years ago

7 0

The process in which ice, wind and gravity drop newly formed sediments is called sedimentation.

zhannawk [14.2K]3 years ago

4 0

It's called sedimentation. And erosion is when the rock is worn away by the water, and wind and becomes sediment.

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What are 20 examples of energy transformation?

crimeas [40]

1. Chemical energy from food is converted to mechanical energy when the food is broken down and absorbed in the muscles.
2.The chemical energy from food can also be converted to thermal energy to keep the body warm.
3.When lightning strikes a tree, electrical energy is converted to thermal energy.
4.Chemical energy stored within batteries can be converted to electrical energy.
5.Electrical energy can be converted to light energy when a light is switched out.
6.Electrical energy can also be converted to sound energy when it is used to power a loudspeaker.
7.Sound energy is converted to electric energy in a microphone.
8.At hydroelectric water plants, gravitational potential energy is converted to electrical energy when water falls from a height.
9.Wind turbines convert the mechanical energy from the wind into electrical energy.
10.Solar panels convert light energy into electrical energy.
11.Electrical energy can be converted to mechanical and sound energy in a blender.
12.Chemical energy is converted to mechanical energy in cars when gasoline undergoes combustion to power the engine.
13.When fuels such as gasoline are combusted, chemical energy is converted to heat and light energy.
14.Nuclear energy is converted to heat and light energy in a nuclear reaction as seen in the sun and in atomic bombs.
15.Plants convert light energy to chemical energy through photosynthesis. 16.During bungee jumps, gravitational potential energy is converted to elastic potential energy.
17.Friction converts kinetic energy to thermal energy.
18.Waves convert mechanical energy to electrical energy.
19.Geothermal energy in geologically active regions of the world can be harnessed as electrical energy.
20.A ball dropped from a height is an example of a change of energy from potential to kinetic energy.

8 0

3 years ago

The weight y of a fiddler crab is directly proportional to the 1.25 power of the weight x of its claws. A crab with a body weigh

frez [133]

Answer:

The weight of body is 1.3040 gram.

Explanation:

Given that,

The weight y of a fiddler crab is directly proportional to the 1.25 power of the weight x of its claws.

Suppose a crab with a body weight of 1.8 gram has claws weighing 1.1 gram.

Estimate the weight of a fiddler crab with claws weighing 0.85 gram.

Determine the weight of crab body

We need to calculate the value of proportional constant

$y\propto x^{1.25}$

$y=kx^{1.25}$

$k=\dfrac{y}{x^{1.25}}$

Put the value into the formula

$k=\dfrac{1.8}{1.1^{1.25}}$

$k=1.5978$

We need to calculate the crab weight

$y=kx^{1.25}$

Here, x = 0.85 g

Put the value into the formula

$y=1.5978\times(0.85)^{1.25}$

$y=1.3040\ gram$

Hence, The weight of body is 1.3040 gram.

7 0

4 years ago

A 62-kg person jumps from a window to a fire net 20.0 m directly below, which stretches the net 1.4 m. Assume that the net behav

gayaneshka [121]

Answer:

a) x = 0.098

b) x = 2.72 m

Explanation:

(a) To find the stretch of the fire net when the same person is lying in it, you can assume that the net is like a spring with constant spring k. It is necessary to find k.

When the person is falling down he acquires a kinetic energy K, this energy is equal to the elastic potential energy of the net when it is max stretched.

Then, you have:

$K=U\\\\\frac{1}{2}mv^2=\frac{1}{2}kx^2$ (1)

m: mass of the person = 62kg

k: spring constant = ?

v: velocity of the person just when he touches the fire net = ?

x: elongation of the fire net = 1.4 m

Before the calculation of the spring constant, you calculate the final velocity of the person by using the following formula:

$v^2=v_o^2+2gy$

vo: initial velocity = 0 m/s

g: gravitational acceleration = 9.8 m/s^2

y: height from the person jumps = 20.0m

$v=\sqrt{2gy}=\sqrt{2(9.8m/s^2)(20.0m)}=14\frac{m}{s}$

With this value you can find the spring constant k from the equation (1):

$mv^2=kx^2\\\\k=\frac{mv^2}{x^2}=\frac{(62kg)(14m/s)^2}{(1.4m)^2}=6200\frac{N}{m}$

When the person is lying on the fire net the weight of the person is equal to the elastic force of the fire net:

$W=F_e\\\\mg=kx$

you solve the last expression for x:

$x=\frac{mg}{k}=\frac{(62kg)(9.8m/s^2)}{6200N/m}=0.098m$

When the person is lying on the fire net the elongation of the fire net is 0.098m

b) To find how much would the net stretch, If the person jumps from 38 m, you first calculate the final velocity of the person again:

$v=\sqrt{2gy}=\sqrt{2(9.8m/s^2)(38m)}=27.29\frac{m}{s}$

Next, you calculate x from the equation (1):

$x=\sqrt{\frac{mv^2}{k}}=\sqrt{\frac{(62kg)(27.29m/s)^2}{6200N/m}}\\\\x=2.72m$

The net fire is stretched 2.72 m

5 0

3 years ago

If If the mass of a material is 88 grams and the volume of the material is 24 cm3, what would the density of the material be?

Tanzania [10]

Answer:Mass is measured on a triple beam balance units = GRAMS.

Volume is measured in two ways.

Regular Object = Length X Width X Height units = cm3

Irregular Objects units = mL

 Pour about 50 mL of water into a graduated cylinder. Measure and record the exact amount.

 Add the object. Measure and record the new water level.

 SUBTRACT the original water amount from the new water level to find the volume of the object.

= MASS (g)

VOLUME (cm3

)

Example One:

A mineral has a mass of 100g and a volume of 10 mL. What is its density?

= mass = 100g = 10 g/mL

Volume 10 mL

Example Two:

A mineral has a mass of 25 g and a volume of 5 cm3

. What is its density?

= mass = 25g = 5 g/cm3

Volume 5 cm3

**Mass ÷ Volume to find the numerical answer. Bring over BOTH units**

Explanation:

5 0

4 years ago

two parallel plates of area 0.0248 m^2 have equal and opposite charges of 3.07*10^-10 C placed on them. what is the electric fie

jarptica [38.1K]

Answer:

1400

Explanation:

Correct on acellus

4 0

3 years ago