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shepuryov [24]
3 years ago
12

1.

Physics
2 answers:
allsm [11]3 years ago
7 0

Answer:

compounds

pure substances

mixture

Fiesta28 [93]3 years ago
4 0

Answer:

1 . compound

2. pure substances

3. compound

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What can you infer from the statement, velocity is an object is zero?
stiks02 [169]

Explanation:

a.Object is in linear motion with constant velocity.

b.Object is moving at a constant speed.

c.Object is either at rest or it returns to the initial point.

d.Object is moving in a straight line without changing its direction.

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6 0
3 years ago
how much power is needed to lift a box with a force of 780 newtons over a distance of 2 meters in 45 seconds
-BARSIC- [3]

Answer:

<h2>34.67 W</h2>

Explanation:

Power is the rate at which work is done and can be found by using the formula

p =  \frac{w}{t}  \\

p is the power in Watts (W)

w is the workdone in joules

t is time in s

but workdone = force × distance

From the question

force = 780 N

distance = 2 m

workdone = 780 × 2 = 1560 N

Since we now have the value of workdone we can find the power

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p =  \frac{1560}{45}  = 34.6666666... \\

We have the final answer as

<h3>34.67 W</h3>

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3 years ago
Can you die if you bust a hemorrhoid?
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I think that you can die
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The distance between pole and position of image can denoted by___<br>a)u. b)v. c)R. d)C​
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Suppose you increase your walking speed from 6 m/s to 14 m/s in a period of 1 s. What is your acceleration?
klasskru [66]
A = delta v over delta t delta v is calculated with final velocity less initial velocity so delta v is 14 - 6 that is 8m/s and delta t is calculated with final time less initial time as initial always is 0 then is 1 - 0 that is 1 then a = 8m/s over 1 that is 8 then the acceleration is 8m/s^2 (remember that is squared.)
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3 years ago
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