A rectangular glass block of dimensions 8.0 cm by 15.0 cm by 3.0 cm weighs 10.5 N. Calculate the minimum and the maximum pressure the bock can exert when it rests on a horizontal table.---
Please answer this asap!

Answers

Answer 1

Answer: The pressure can be solved using the following formula:

P = mg / A

Where: P = pressure
mg = mass * gravity = W = 10.5 N
A = l*w

Solving for A (maximum):

A = 8*3
A = 24 sq. cm

Solving for A (minimum):

A = 15*8
A = 120 sq. cm

Substituting into the first equation:

Pmax = 10.5 N / 24 sq.cm
Pmax = 0.4375 Pa

Pmin = 10.5 N / 120 sq.cm
Pmin = 0.0875 Pa

Related Questions

How much power is required to push a box 4.0 m with a force of 150 N in 2.5s? A. 15WB. 1500WC. 240WD. 94W
There are three different types of electrochemical cells.True or False
The chemical formula for water, H2O, means that each water molecule contains
Some constellations, such as Ursa Minor, are visible in the sky year-round; other constellations appear for only part of the year. Explain why this happens.
The rate at which work is done is

The slope on a distance-time graph shows a ball moving from 20 m to 40 m in 1 s and from 40 m to 80 m in the next second

Answers

Slope in the first second: 20 m/s

Slope in the next second: 40 m/s

Average slope: 30 m/s

Explanation:

On a distance-time graph, the slope of the curve represents the speed of the object.

In fact, we have:

The distance covered is the change in the y-variable, so $\Delta y$
The time elapsed is the change in the x-variable, so $\Delta x$

Speed is the ratio between distance and time, therefore

$speed = (distance)/(time)=(\Delta y)/(\Delta x)$

which corresponds to the slope of the line.

In this problem, we have a ball moving from 20 m to 40 m in 1 s, so

$distance = 40-20 = 20 m = \Delta y$

$time = 1 s = \Delta x$

So the slope in the first second is

$(\Delta y)/(\Delta x)=(20)/(1)=20 m/s$

In the next second, the ball moves from 40 m to 80 m, so

$distance = 80-40 = 40 m = \Delta y$

$time = 1 s = \Delta x$

So the slope in the next second is

$(\Delta y)/(\Delta x)=(40)/(1)=40 m/s$

While if we consider the overall graph in the 2 seconds, we have

$distance = 80-20 = 60 m = \Delta y$

$time = 2 s = \Delta x$

So the average slope is

$(\Delta y)/(\Delta x)=(60)/(2)=30 m/s$

Learn more about speed:

brainly.com/question/8893949

#LearnwithBrainly

A student claims that any object in motion must experience a force that keeps it in motion. Do you agree or disagree? Explain your reasoning.

Answers

Answer: agree

Explanation: because there is always a force that causes motion..

Also I’m back

Where’s the old gang?

Final answer:

Newton's first law of motion states that an object in motion will continue to move at a constant speed in a straight line unless acted upon by an external force. So, not all objects in motion require a force to keep them in motion.

Explanation:

According to Newton's first law of motion, an object in motion will continue to move at a constant speed in a straight line unless acted upon by an external force. So, it is not true that any object in motion must experience a force to keep it in motion. The force is only necessary to change the object's state of motion, such as slowing it down or altering its direction.

For example, imagine a hockey puck sliding on a frictionless ice rink. Once given an initial push, the puck will continue moving at a constant speed in a straight line until it encounters an external force, such as contact with the boards or another player.

Therefore, I disagree with the student's claim. An object in motion does not necessarily need a force to keep it in motion, but rather a force is required to change its state of motion.

Learn more about Newton's First Law of Motion

brainly.com/question/1222214

#SPJ3

What is the difference between a silicate and nonsilicate

Answers

Answer:

The main difference between silicate minerals and nonsilicate minerals is that silicate minerals are composed of silicate groups whereas Nonsilicate minerals have no silicate groups.

What is the difference between mechanical digestion and chemical digestion in the mouth

Answers

Mechanical digestion is chewing, and chemical digestion is the saliva in your mouth breaking down food.

Mechanical digestion is where the food is physically broken down into smaller pieces, such as in the mouth. Chemical digestion is where the food us chemically broken down into subtomic particles , starting with the saliva in the mouth and continuing throught the small intestine.

Why do animals that are least specialized have a better chance at survival?

Answers

Animals that are the least specialized generally stand the best chance of survival when the environment suddenly and drastically changes because they're able to (Adapt to different conditions.)

This image shows an overhead view of Atlanta’s buildings, structures, and surrounding areas and a heat map of the area. What is the most likely reason for the high temperature in the regions indicated in dark red? two maps of Atlanta, one showing an overhead view of Atlanta's buildings and structures and other showing the heat levels in the area Atlanta’s roads and buildings absorb more of the Sun’s radiation, causing higher temperatures than in surrounding regions. Atlanta’s trees and forests absorb more of the Sun’s radiation, causing higher temperatures than in surrounding regions. The rural areas around Atlanta absorb more heat than the urban areas, causing an overall increase in the city’s temperatures.