The proper units of weight in metric system

1 answer:

3 0

The metric system is based on joining one of a series of prefixes, including kilo-, hecto-, deka-, deci-, centi-, and milli-, with a base unit of measurement, such as meter, liter, or gram

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Elijah was analyzing the trajectory made after throwing a football. His coach was able to measure that his throw reached a maxim

ziro4ka [17]

Answer:

Step-by-step explanation:

Given that Elijah threw a ball from a height of 4 feet. The ball reached maximum height of 16 feet after 2seconds

Let vertical component of his speed be v

When it reaches maximum height its velocity becomes 0

Hence

height reached by the ball = $h=vt-\frac{gt^2}{2}$

When h=12(16-4) we get g=gravity =32

Hence 12 =2v-16(4)

v=38

Hence $h=38t-\frac{32t^2}{2}$

where h is calculated from the height of hand i.e. 4 feet

When it touches the ground h =-4

When it starts falling then distance travelled = 16 feet

Initial velocity =0 Accn due to gracity =32 feet

Using these we can write

$16=0+\frac{32t^2}{2}\\ t=1$

So after 3 minutes from start the ball would reach the ground

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3 years ago

(3.14) please help me as soon as possible ....

Luden [163]

37.68 is the correct answer

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3 years ago

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For her 10-day vacation, Ms. Corrin spent \$1,535 for air fare and a motel. The air fare was $354. If the motel charged the same

Reika [66]

Answer:

Each night at the motel did cost $118.1 to Ms. Corrin

Step-by-step explanation:

Considering that for her vacations, Ms. Corrin spent $1,535 for airfare and a motel, as the airfare was $354, left-over $1181 for the motel. Knowing Ms. Corrin stayed 10 nights in the motel, each night did cost $\frac{\$ 1181}{10nights}=\$181.1/night$