Physics College

How much pressure does a box whose sides are 1.59 m long each exert on the ground due to gravity?Assume that the box has a mass of 68.2 kg. HINT: Look at the definition of pressure - what force is doing the "pushing?" What's the area?

Answers

Answer 1

Answer:

[tex]\huge\boxed{\sf P = 264.37\ Pa}[/tex]

Explanation:

Given data:

Length = l = 1.59 m

Mass = m = 68.2 kg

Acceleration due to gravity = g = 9.8 m/s²

Required:

Pressure = P = ?

Formula:

[tex]\displaystyle P =\frac{F}{A}[/tex]

Solution:

Here, the force is being exerted due to gravity.

We know that,

F = ma

So,

F = mg     ( a = g because force is due to gravity )

So,

F = (68.2)(9.8)

F = 668.36 N

Now,

Area = length × length

Area = 1.59 × 1.59

A = 2.53 m²

Since,

P = F / A

P = 668.36 / 2.53

P = 264.37 Pa

[tex]\rule[225]{225}{2}[/tex]

Related Questions

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Select the correct answer.
Galileo was the first scientist to do which of the following?

Α. estimate the speed of light

B. propose the heliocentric theory

C. discover radioactivity

D. define and measure speed

E. invent the reflecting telescope

Answers

Answer:

E

Explanation:

Galileo, though not the first inventor of the refracting telescope, significantly enhanced its power. In 1609, he learned of the spyglass and began to experiment with telescope-making, grinding and polishing his own lenses.

Explain/Describe how atoms in domains determine whether a material is magnetic or not. (Please help this is due today)

Answers

Answer:

In a material, the magnetic behavior depends on the alignment of magnetic moments of the atoms. Magnetic moments are generated by the motion of the electrons in the atoms. When the magnetic moments of atoms in a material are aligned in a specific pattern, it creates a magnetic field which results in the material being magnetic.

In many materials, the magnetic behavior arises due to the alignment of magnetic domains, which are regions of atoms with magnetic moments aligned in the same direction. When many domains with aligned magnetic moments are present in a material, the material becomes magnetic.

The magnetic behavior of a material depends on the number of electrons and the arrangement of those electrons in the atoms. In particular, for an atom to have a magnetic moment, it must have unpaired electrons, meaning electrons that are not paired with another electron with the opposite spin. When these unpaired electrons in the atoms are aligned, they generate a magnetic moment. If all electrons are paired, there will not be a net magnetic moment, so the material will not be magnetic.

So, in summary, the magnetic behavior of a material is determined by the alignment of magnetic moments of atoms. When the magnetic moments of many atoms in a material align in the same direction, it creates a magnetic field, leading to a material being magnetic. This alignment is usually present in magnetic domains consisting of atoms with unpaired electrons.

We believe that chains of comet fragments like Comet Shoemaker-Levy 9’s have collided not only with the jovian planets, but occasionally with their moons. What sort of features would you look for on the outer planet moons to find evidence of such collisions?

Answers

For signs of such collisions on the moons of the outer planets, look for craters, ray systems, fissures and fractures, melted or evaporated material, and changes in the moon's surface composition.

What took place when comet shoemaker-Levy 9 hit Jupiter?

Huge fragments of the newly discovered comet Shoemaker-Levy 9 (SL9) collided with Jupiter over a period of days from July 16 to 22, 1994, leaving vast, dark scars in the planet's atmosphere and lofting superheated plumes into its stratosphere.

Why did astronomers consider the Shoemaker 9 impact on Jupiter to be so significant?

Dust was also left floating on top of Jupiter's clouds after the collision. The movement of the planet's dust allowed researchers to trace Jupiter's high-altitude winds for the first time.

To learn more about comets visit:

brainly.com/question/28543341

#SPJ1

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