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3 years ago

What is meaning of phase

Physics

2 answers:

algol [13]3 years ago

5 0

Answer:

phares

$phares \\ \\ means \: a \: noun \: \\ \\ i \: thnk \: so \: \:$

Crazy boy [7]3 years ago

4 0

It's a distinct stage in a process of change or dev't

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A golf ball (mass 0.045 kg) is hit with a club from a tee. The plot shows the force on the ball as a function of time in millise

almond37 [142]

Answer:

16.3 m/s

Explanation:

We are given that

Mass of golf ball=m=0.045 kg

We have to find the speed right after the hit.

$b_1=(16-1)\times 10^{-3}=15\times 10^{-3} s$

$b_2=(12-6)\times 10^{-3}=6\times 10^{-3} s$

Force,F=70 N

Change in momentum=Area of trapezium

Area of trapezium,A= $\frac{1}{2}(b_1+b_2) h$

Using the formula

$m(v-u)=\frac{1}{2}(15+6)\times 10^{-3}\times 70$

$0.045(v-u)=\frac{1}{2}(21)\times 10^{-3}\times 70$

$v-u=\frac{1}{2}\times \frac{1}{0.045}\times 21\times 10^{-3}\times 70$

$v-u=16.3$

Initial velocity of golf ball=u=0

$v-0=16.3$

$v=16.3 m/s$

5 0

3 years ago

Please answer these questions, its for a physics assignment

laiz [17]

A no . answer is velocity of the object. B no.answer is Acceleration of the object. C no.answer is straight line shape and a velocity graph with a horizontal shape D no.answer is curved shape and a velocity graph with a straight shape.

3 0

3 years ago

The Kelly family and the Garcia family each used their sprinklers last summer. The water output rate for the Kelly family's spri

elena55 [62]

Answer:

30 hours

15 hours.

Explanation:

Let the Kelly used sprinkler for t hours and Gracia used the sprinkler for the rest ie (45 - t) hours .

Water output by Kelly = (35 x t) L

Water output by Gracia = 20 ( 45 - t ) L

Total output = 35t + 20(45 - t)

So, 35 t + 20 (45 - t ) = 1350

35 t + 900 - 20 t = 1350

15 t = 450

t = 30 hours

So Kelly used sprinkler for 30 hours and Gracia used it for 45 - 30 = 15 hours.

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3 years ago

Can please anybody help me my H.W to fill in the blanks

kozerog [31]

<h3>The correct answers would be:</h3>

1. Metallic ; Nonmetallic

2. Radioisotope

3. Boils

4. Endothermic

5. Kinetic

6. Alpha Particles

7. Highest

8. Scientific Model

9. Mass Number ; Atomic Number

<h3>Kindly find the explanations in the document attached</h3>

Download docx

8 0

3 years ago

_honest person is always at peace<br>

borishaifa [10]

Hmmm I dunno buddy sorry

5 0

3 years ago

What is meaning of phase​

What is meaning of phase