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2 years ago

Difference between Pascal’s law and law of flotation

1 answer:

5 0

Hi, I didn’t understand too well your question, but I hope this helps!

Archimedes principle is based on the weight of the object to push the object upward. Law of floation is the priciple which tells us about the density of the object with the liquid in which it is placed.

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How is electrical energy produced from potential and kinetic energy?

yuradex [85]

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2 years ago

Read 2 more answers

True or False:A wind is a horizontal movement of air from an area of high pressure to an area of lower pressure.

Taya2010 [7]

Answer:

True

Explanation:

When the air blows from high pressure to an area of low pressure over the surface of the earth it is called wind.

The greater the pressure difference more is the speed of the wind. The instrument used to measure the speed of the wind is called an anemometer.

The winds are named after the direction from which they flow.

Calm winds are the slowest of its kind whereas the gale-winds are the strongest winds.

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2 years ago

If you are driving 90 km/hkm/h along a straight road and you look to the side for 2.8 ss , how far do you travel during this ina

pashok25 [27]

Answer:

Distance = 70 meters

Explanation:

Given the following data;

Speed = 90 km/h

Time = 2.8 seconds

Conversion:

90 km/h to meters per seconds = 90 * 1000/3600 = 90000/3600 = 25 m/s

To find the distance covered during this inattentive period;

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the formula;

$Speed = \frac{distance}{time}$

Making distance the subject of formula, we have;

$Distance = speed * time$

Substituting into the above formula, we have;

$Distance = 25 * 2.8$

Distance = 70 meters

5 0

2 years ago

Describe at least two ways that electromagnet force and weak nuclear forces are alike and two ways that they are different.

ruslelena [56]

Different: The weak nuclear force is responsible for radioactive decay within an atom of a substance, while the electromagnetic force causes electrostatic force between charged particles.

Different: The weak force has a very small range of effectiveness (where the force can be felt) while the electromagnetic force has an infinite range.

Same: Both forces act within an nucleus, or on a nuclear level.

Same: The weak nuclear force is mediated by charged particles called bosons, and the electrostatic force is only present within charged objects

The last one may be a bit of a stretch but I hope this helped a bit!

4 0

3 years ago

Reyna kicks a ball, which then rolls across a grassy field. Which is the best explanation for why the ball eventually comes to a

nataly862011 [7]

Short Answer- Friction

Explanation- There is friction between the grass and the ball. Friction is a type of force that limits motion between two surfaces that are touching. Friction is the force that one surface exerts on another with the two surfaces rubbing together.

This is the answer, hope it helps :)

8 0

2 years ago