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Yuri [45]
3 years ago
10

A force acting over a large area will exert less pressure per square inch than the same force acting over a smaller area.

Physics
1 answer:
babunello [35]3 years ago
8 0

Answer:

True

Explanation:

Pressure is defined as:

p=\frac{F}{A}

where

F is the magnitude of the force perpendicular to the surface

A is the surface

Therefore, pressure is inversely proportional to the area of the surface:

p\propto \frac{1}{A}

this means that, assuming that the forces in the two situations (which have same magnitude) are both applied perpendicular to the surface, the force exerted over the smaller area will exert a greater pressure. Hence, the statement"

<em>"A force acting over a large area will exert less pressure per square inch than the same force acting over a smaller area"</em>

is true.

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How far can a bullet at 450 m/s travel for 4.7 s?
marta [7]

  • The bullet can travel about distance of (2115 m)

  • Velocity can be regarded as the ratio of distance to time

  • Velocity= (distance / time)

Given: velocity= 450 m/s

Time= 4.7s

  • Distance= ( velocity × time)

<em>If we substitute the values</em>

  • Distance = ( 450 × 4.7)

= 2115 m

Therefore, the bullet can travel about 2115 m

Learn more at : brainly.com/question/13639113?referrer=searchResults

5 0
3 years ago
Which of the follow are examples of an object accelerating? (choose 4) A car turning a corner A ball rolling on the ground and s
notsponge [240]

Answer:

Cart spinning, ball rolling, ball falling, ball going up

Explanation:

The acceleration of a body is a vector magnitude, this means that it also has a module, direction, therefore, any of the two things that change, the acceleration changes. Let's examine the examples:

- Car turning a corner. In this case the speed direction is changing, which is reflected in an acceleration of the system

- A ball rolling on the ground. As the speed is decreasing the acceleration module is changing

- Ball falling in this case the speed increases, so there is an acceleration

- Constant speed box. Here with the constant speed in module and direction There is no acceleration

- Paper falling with constant speed. As the speed is constant There is no acceleration

- Ball moving up. In this case the module gives the speed is decreasing, There is an acceleration

- Chair on the floor zero speed and does not change, therefore there is no acceleration

5 0
4 years ago
what type of image is formed by a lens if m = -4.6? A. One that is larger than the object and virtual, B. One that is smaller th
Montano1993 [528]

Answer:

One that is larger than the object and real

Explanation:

8 0
3 years ago
How to convert 1 meter into decimeters, milimeters, kilometers, micrometers etc..
zzz [600]

Answer:

●1m to KM

Divided by 1000

●1m to Milli meter

Multiple by 1000

●1 decimeter =0.1 m

8 0
3 years ago
The Sun radiates energy at a rate of about 4×1026W. Earth is about 150×106km from the Sun.
sergiy2304 [10]

The average intensity received on the Earth's surface is 12.6*10^{10} W/m^{2}

​Intensity = Rate  of  energy radiated/4\pi R^{2}

where  R is the distance of the earth from the sun.

I=4*10^{26}/4\pi *[150*106*10^{3}]^{2}

I=0.12597*10^{12}

I=12.6*10^{10} W/m^{2}

What is the meaning of the intensity of sunlight?

Sun intensity refers to the amount of incoming solar energy, or radiation, that reaches the Earth's surface. The angle at which the rays from the sun hit the Earth determines this intensity.

What is the average intensity received on the Earth's surface?

The average intensity received on the Earth's surface is given by:

I=rate of energy radiated/4\pi R^{2}

Thus, the average intensity received on the Earth's surface is 12.6*10^{10} W/m^{2}

To know more about the intensity received from the sun:

brainly.com/question/29579262

#SPJ1

8 0
1 year ago
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