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Rufina [12.5K]
3 years ago
9

How to draw and label a diagram to show how you would separate each mixture

Physics
1 answer:
Svet_ta [14]3 years ago
8 0

things that float or sink

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a student is pushing a 50 kilogram cart with a force of 500 newtons another students measures the speed of the cart and finds th
Irina-Kira [14]

The force of friction is 300 N

Explanation:

We can solve the problem by applying Newton's second law of motion: in fact, the net force acting on an object is equal to the product between the mass of the object and its acceleration. So we can write

\sum F = ma

where

\sum F is the net force acting on the object

m is its mass

a is its acceleration

For the cart in this problem, we have two forces acting on it:

- The force of push, F = 500 N, forward

- The force of friction, F_f, backward

So Newton's second law can be rewritten as

F-F_f = ma

where

m = 50 kg

a=4 m/s^2 is the acceleration of the cart

And solving for F_f, we find the force of friction:

F_f = F-ma=500-(50)(4)=300 N

Learn more about force of friction:

brainly.com/question/6217246

brainly.com/question/5884009

brainly.com/question/3017271

brainly.com/question/2235246

#LearnwithBrainly

4 0
3 years ago
Short Answer Questions:
Otrada [13]

According to Archimede's principle, a physical object experiences an upthrust due to a difference in pressure between upper and lower  surfaces.

<h3>What is an upthrust?</h3>

An upthrust is also referred to as buoyancy and it can be defined as an upward force which is exerted by a fluid (liquid or gas), so as to oppose the weight of a partially or fully immersed physical object that is floating in it.

Based on scientific information, a physical object experiences an upthrust when it is immersed in a fluid due to a difference in height and pressure between upper (top) and lower (bottom) surfaces.

According to Archimede's principle, there is a higher pressure at the bottom of the physical object due to height, and a lower pressure at the top of the physical object.

Read more on upthrust here: brainly.com/question/24389514

#SPJ1

4 0
2 years ago
Convert 75°C into (A) kelvin (B) °F​
sukhopar [10]

Answer:

348.15K

Explanation:

75C+273.15=348.15K

7 0
2 years ago
A car travels 1008km in 14 hours. What is the average speed of the car?
Montano1993 [528]

Answer:

72 km/hr. ...jshdhdhddjidididdiididudd

6 0
3 years ago
PLEASE HELP ME WILL GIVE BRAINLIEST
weqwewe [10]

Answer:

A.always changing

Explanation:

7 0
3 years ago
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