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MA_775_DIABLO [31]
3 years ago
11

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d

. mass
Physics
1 answer:
kirill [66]3 years ago
3 0

the answer is D. mass

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An arrow is shot vertically upward at a rate of 250ft/s. Use the projectile formula h=−16t2+v0t to determine at what time(s), in
SIZIF [17.4K]

Answer:

The arrow is at a height of 500 feet at time t = 2.35 seconds.

Explanation:

It is given that,

An arrow is shot vertically upward at a rate of 250 ft/s, v₀ = 250 ft/s

The projectile formula is given by :

h=-16t^2+v_ot

We need to find the time(s), in seconds, the arrow is at a height of 500 ft. So,

-16t^2+250t=500

On solving the above quadratic equation, we get the value of t as, t = 2.35 seconds

So, the arrow is at a height of 500 feet at time t = 2.35 seconds. Hence, this is the required solution.

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You run away from a plane mirror at 1.80 m/s. At what speed does your image move away from you?
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7. Sanitizing method that are uses chlorine, iodine, and quaternary ammonium. A. ) heat C.) cooking B) chemicals D.) detergent​
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Answer:

Chemicals

Explanation:

Sanitizing method that are uses chlorine, iodine, and quaternary ammonium is <u>chemicals</u>.

Extra Info : -

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