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Mazyrski [523]
3 years ago
7

Fill in this pretty little blank.

Physics
2 answers:
IgorLugansk [536]3 years ago
6 0
Freaky girl , it from my
Trava [24]3 years ago
3 0

Answer:

freaky girl      

it from my

Explanation:

lol

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How is mercury barometer constructed ?<br>​
olganol [36]

Answer:

A  mercury barometer is a device use to measure stomspheric pressure and is constructed as following:

  • A mercury barometer requires a tube which has one close end, and one open end.
  • Tube is placed upside down in a beaker in such a way so that one end open in the beaker and the other remain outside of the beaker.
  • The barometric liquid (mercury) is then filled in the tube by pouring mercury liquid in the beaker.

The position of tube creates vacuum between the closed end of the tube and liquid surface and the Mercury has high density that is why used as the liquid to measure pressure.

4 0
3 years ago
Which one of the following statements concerning kinetic energy is true? a The kinetic energy of an object always has a positive
hodyreva [135]

a The kinetic energy of an object always has a positive value.

Explanation:

The kinetic energy of an object is the energy possessed by an object due to its motion, and it can be calculated as

K=\frac{1}{2}mv^2

where

m is the mass of the object

v is its speed

Let's now analyze each statement:

a The kinetic energy of an object always has a positive value. --> TRUE. In fact, the mass of the object is always positive, and the term v^2 is always positive as well, so the kinetic energy is always positive.

b The kinetic energy of an object is directly proportional to its speed. --> FALSE. Looking at the formula, we see that the kinetic energy is proportional to the square of the speed, K\propto v^2.

c The kinetic energy of an object is expressed in watts. --> FALSE. Watts is the units for measuring power, while the kinetic energy is measured in Joules, the units for the energy.

d The kinetic energy of an object is a quantitative measure of its inertia. --> FALSE. The inertia of an object depends only on its mass, not on its speed.

e The kinetic energy of an object is always equal to the object’s potential energy. --> FALSE. The potential energy depends on the altitude from the ground, not from the speed, so the two energies can be different.

Learn more about kinetic energy:

brainly.com/question/6536722

#LearnwithBrainly

8 0
3 years ago
The maximum static friction between a box and the table is 15.0N when the normal force on the box is 35.0N. What is the coeffici
Marysya12 [62]

Answer:

you are going through this week of x factor of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal

Explanation:

you are going through this week of x factor of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and technology practical pdf the new modal and F kisna of x and

6 0
2 years ago
An electronic line judge camera captures the impact of a 57.0-g tennis ball traveling at 32.2 m/s with the side line of a tennis
mote1985 [20]

Answer:

average acceleration is 1.365 × 10^{4} m/s²

Explanation:

given data

initila speed  u = -32.2 m/s

final speed v = 21.6 m/s

time taken t = 0.00394 s

solution

we get here average acceleration that will be express as

v = u + at    ..........................1

put here value and we get

21.6 = -32.2 + a × 0.00394

solve it we get

a = 1.365 × 10^{4} m/s²

so average acceleration is 1.365 × 10^{4} m/s²

3 0
3 years ago
Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 3 s. What is your acceleration?
lisov135 [29]

You asked the question twice I answered it on the last one

7 0
3 years ago
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