Select all the features that can be created by acidic water

Answers

Answer 1

Answer: Since you did not enumerate the features to choose from, I'll just give you a brief information about acidic water.

>Acidic water has a pH below 7 or less than 7.0.
> Acidic water can dissolve a limestone rock.
> The land features which are formed in limestone by reaction with acid water are the stalactites and the stalagmites.

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How many cars can fit in a football field?

Answers

5211.6 Car can fit in a football field.

What is the dimension of football pitch?

The recommended dimensions of a football pitch are 105m x 68m, which is 7,140 sq meters.

The average length of a car is around 14.7 feet.

i.e. 1.37 sq meters

By dividing the football pitch by length of car,

= 7140/ 1.37

= 5211.6 Car

With no gaps of course.

Therefore,

In a football field 5211.6 cars can be fit without no gap.

Learn more about Football pitch here:

brainly.com/question/20346808

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100 cars can fit into a football field

In scientific terms, how is power related to work? A.Power is the ability to do work.

B.Power is the force of work over a certain distance.

C.Power is the rate at which work is accomplished.

D.Power is the energy supplied in a force.

Answers

C. the rate at which work is done. hope i helped!

You kick a ball with a speed of 14 m/s at an angle of 51 degrees. How far away does the ball land?A. 21.3 m
B. 19.6 m
C. 1.8 m
D. 3.96 m

Answers

Answer: The ball will land at 19.6 m

Explanation:

To calculate the horizontal range of the ball, we use the formula:

$R=(v^2\sin 2\theta)/(g)$

where,

v = velocity of the ball = 14 m/s

$\theta$ = angle at which the ball is thrown = 51°

g = acceleration due to gravity = $9.8m/s^2$

Putting values in above equation, we get:

$R=((14)^2* \sin (2* 51))/(9.8)\n\nR=19.6m$

Hence, the ball will land at 19.6 m

d may be the correct answer because speed is very low so ball should cover less distance but angle is not very high so it can cover little much distance

_____________ is an excessive current relative to normal operating current, but one that is confined to the normal conductive path provided by the conductors, circuit components, and loads of the distribution system. A(n) _________ is a current that flows outside the normal conducting path. One generally accepted definition of _______is when a phase or ungrounded conductor comes in contact with, or arcing current flows between, another phase conductor, neutral, or ground.

Answers

Answer:

Overload current, short-circuit current and short circuit

Explanation:

Overload current is an excessive current relative to normal operating current, but one that is confined to the normal conductive path provided by the conductors, circuit components, and loads of the distribution system.

A short-circuit current is a current that flows outside the normal conducting path.

One generally accepted definition of short circuit is when a phase or ungrounded conductor comes in contact with, or arcing current flows between, another phase conductor, neutral, or ground.

Martha and Mary are trying to move an old toy Barbie Jeep that is broken up a hill. Martha is applying 35 N of force and Mary is applying 20 N of force. What is the net. force being applied to the box and is it balanced or unbalanced

Answers

Answer: Net Force is 15 N towards Martha

Its an unbalanced force

Explanation:

A hollow lens is made of thin glass and in the shape of a double concave lens. It can be filled with air, water of refractive index 1.33 or CS2 of refractive index 1.6. It will act as a diverging lens if it is (A) filled with air and immersed in water. (B) filled with water and immersed in CS2. (C) filled with air and immersed in CS2. (D) filled with CS2 and immersed in water.

Answers

Answer: B)

A hollow double concave lens acts as a diverging lens. When it is filled with a medium of higher refractive index than the surrounding, its diverging power increases.

So if the lens is:

A) Filled with air (n=1) and immersed in water (n=1.33) - Incorrect, air has lower refractive index than water

B) Filled with water (n=1.33) and immersed in CS2 (n=1.6) - Correct, water has lower refractive index than CS2

C) Filled with air (n=1) and immersed in CS2 (n=1.6) - Incorrect, air has lower refractive index than CS2

D) Filled with CS2 (n=1.6) and immersed in water (n=1.33) - Incorrect, CS2 has higher refractive index than water

Therefore, the lens will act as a diverging lens when filled with water and immersed in CS2, which is option B.

The key is that the material inside the lens must have a lower refractive index than the surrounding medium to increase the diverging power of the concave lens.

Explanation:

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