If you walked at an average speed of 102 m/s, how long would it take to cross a road that is 16-m wide?

Answers

Answer 1

Answer:
It would take (16 m) / (102 m/s) = 0.157 second.

The reason it would take such a short time is that
102 m/s is the same as roughly 228 miles per hour.

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Can someone help me ASAP!!!! why does the united states still use the english system for everyday measurements which of the following is not a reason for worldwide use of the metric system instead

Answers

The US English System of measurement grew out of the manner in which people secured measurements using body parts and familiar objects. For example, shorter ground distances were measured with the human foot and longer distances were measured by paces, with one mile being 1,000 paces. Capacities were measured with household items such as cups, pails (formerly called gallons) and baskets.

You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7J of work in the process, how far have you moved the book?

Answers

Answer: 0.6m

Explanation:

Given that:

force = 4.5 N

Work done = 2.7J

Distance moved by the book = ?

Since work is done when force is applied on an object over a distance, apply the formula:

work = force x distance

2.7J = 4.5N x distance

Distance = (2.7J / 4.5N)

Distance = 0.6 m

Thus, the book was moved 0.6 metres far

What is Newtons third law

Answers

Newton's third law is for every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects.

For every action, there is an equal and opposite reaction.

How are Newton’s second and third laws of motion important to your everyday life?

Answers

Well, first off, Newtons second law of motion deals with the motion of accelerating and decelerating objects.
We already know that from everyday life examples such as simply pushing a car that if 2 people push a car on a flat road it will accelerate faster than if one person was pushing it... Therefore, there is a relationship between the size of the force and the acceleration.
Now onto the third law of motion. First of all, what is the third law of motion? Well, a force is a push or a pull that acts upon an object as a results of its interaction with another object. Forces result from interactions! According to Newtons third law, whenever one object, and another object interact with each other, they exert forces upon each other. "For every action, there is an equal and opposite reaction." The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. So, how is this important to everyday life you may ask?
Well, the action-reaction force pairs are found everywhere in your body.
For example, right now as I am typing, my tendons are exerting forces on bones, and those bones exert reaction forces on the tendons, as muscles contract, pulling my fingers on the keys. I press on those keys, and they press back on my fingers. See? Since im pressing on the keys, the press back on me. Its opposite from eachother, as stated in the quite above. "For every action, there is an equal and opposite reaction."
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~I hope this helped :)

Under what conditions will light bend?

Answers

Light refracts or bends when it leaves one medium and enters another one (ex. when it goes from air to water; or when it goes from glass to air). This is because the speed of light is different in different materials (light travels in a vacuum at a speed of 3 x 10^8 m/s and is slower in all other mediums). When light slows down (ex. moves from air into water), the light bends towards the normal; when light speeds up (ex. moves from water into air), the light bends away from the normal.

light has a unique property that when it travels from one transparent medium to another transparent medium of different densities it bends and this property is known as refraction
for eg from water to air wherevelocity of light in water is2.25x 10 raised to power 8 m/s and velocity of light in air is3x10 raised power 8 m/s

Saturated fats that are found in avocados are good and should not be limited. True False

Answers

Answer;

The above statement is False

Explanation;

Saturated fats are types of fats that lacks double bonds or triple bonds between any two carbon atoms because they are saturated with hydrogen molecules.
Saturated fats should be limited at all costs. Eating foods with saturated fats raises the amount of cholesterol in the blood which may increase the risk of heart disease and stroke.
Avocados contain over 75% fat that is unsaturated or the good fats, and the rest are unsaturated or the bad fats. Therefore, saturated fats found in avocados are not good and should be limited.

Hi There! :)

Saturated fats that are found in avocados are good and should not be limited. True False

False

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What are we measuring when we use meters and centimeters?