On a velocity vs. time graph, what does it mean when the line crosses over the x-axis?

72 Km/hr

= 72000 m/ 60×60 s

= 72000 m/ 3600 s

= 20 m/s

Answer is 20 m/s.

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If the meter's battery is good and the meter is working OK, it should read zero ohms.

Most meters have a little adjustment wheel on the side to SET the reading to exactly zero when the probes are touched together.

kW=kilowatt

[tex]\boxed{\sf 1kW=1000W}[/tex]

Or.

[tex]\\ \sf\longmapsto 1kilowatt=1000watts[/tex]

We have that for the question, Does a cat’s heart rate change while it is napping?

Cats heart rate do not increase while napping.

The range of heart beat of a cat is 140 and 220 bpm

From the Question we are asked

Does a cat’s heart rate change while it is napping.

The answer is NO

Cats heart rate do not increase while napping. Cat have a normal heart beat maximum of 220 beats per minute consistently.The range of heart beat of a cat is 140 and 220 bpm

Therefore

There is something with a cat with heart rate above this number.

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Answer: Hello There!...............

You decrease the kinetic energy by either stopping the object and let it rest (which would give it potential energy) or changeing the slope.

Explanation:

Mark me brainest please. Hope this helps. Anna ♥

Depending on the sort of energy involved, you can use a variety of techniques to reduce the quantity of energy an object contains. To slow motion in mechanical systems, you can add friction or resistance, which turns kinetic energy into heat.

When dealing with thermal energy, you can place the object in a cooler environment, which will enable it to transmit heat and cool down. It is possible to lessen an object's potential energy by changing its height or location within a gravitational field. Reactions that release energy can dissipate chemical energy. These strategies essentially entail aiding energy transfer or conversion to a less energetic state, hence lowering the object's overall energy content.

To know more about potential energy, here

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Answer: I think the vertical acceleration values are not equal to the theoretical acceleration due to gravity, -9.81 meters/second2 due to the gravity force and maybe the drag due to air resistance.

Explanation: About my earlier prediction about which ball will land first, I can say that my hypothesis was right, but not quite because I calculated the average vertical acceleration, where the time period is t = 0.10 second to t = 1.00 second, the results were different. If the result were maybe right or close to the I would have said that my hypothesis was correct.

Answer: C, A, C, A

Explanation:

I apologize if incorrect. I answered these to the best of my abilities, please feel free to let me know if they were correct or incorrect.

Answer:

laws describe what happens but theories explain why or how

Answer:

A disease is a disorder in the function of the human body where as infectious agents are organisms that cause diseases

We have that the resultant equation is L=L we can say that the dimensions in the equation are consistent

From the Question we are given equation

[tex]x = vt + xo[/tex]

Generally

x = distance in meters(m)

v =velocity in m/s

t=time in secs

x_0=distance in meters(m)

Therefore

The Dimension of equation is

[tex]L=LT^{-1}*T+L\\\\L=L[/tex]

Hence, Given that the  resultant equation is L=L we can say that the dimensions in the equation are consistent

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Please find attached photograph for your answer. Please do comment whether it is useful or not

[tex]\large \mathfrak{Solution : }[/tex]

Average speed :

The horizontal (flat) line on a Distance - time graph shows that the body is at rest because the value of Distance (on y - axis ) is same for increasing time ( on x - axis ), it basically shows that the object is at the same position with the change in time.

therefore, correct option is :

Answer:

B) when an object is at sea level

Explanation:

Answer:

When the object is at sea level

Explanation:

Answer:

0.006kg

Explanation:

bdjdndjoskdn dhend

Explanation:

P = V .I

from ohms law

V = I.R

P = I^2 .R

= 25 × 46 =1150 watt

Answer:

please see picture

Explanation:

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Answer:

15.3

+1.285

---------------

Answer = 16.585

Answer:

Speed is 34.5 m/s

Explanation:

From the third equation of motion:

[tex]{ \boxed{ \sf{v {}^{2} = {u}^{2} + 2as}}}[/tex]

v is final velocity, u is initial velocity, a is acceleration, s is displacement.

substitute:

[tex] {v}^{2} = {30}^{2} + (2 \times 2.4 \times 60) \\ {v}^{2} = 900 + 288 \\ {v} {}^{2} = 1188 \\ {v} = \sqrt{1188} \\ v = 34.5 \: m {s}^{ - 1} [/tex]

Answer:

explanation is below

Explanation:

Equal and opposing forces acting on the same object are referred to as balanced forces. That is why they cancel each other out. Action-reaction forces do not cancel out because they are equal and opposite forces acting on different objects. In fact, they frequently cause movement.

Balanced forces are equal and opposite forces that act on the same object. That's why they cancel out. Action-reaction forces are equal and opposite forces that act on different objects, so they don't cancel out. In fact, they often result in motion.

I hope this helps!

Answer:

There are 9 significant digits in 101,407,063.

Explanation:

Significant figures are the digits of a number that are meaningful in terms of accuracy. The include any non-zero digit, zeros between non-zero digits, and trailing zeros only when there is a decimal point.

A mechanism is what is responsible for any action or reaction. Machines are based on the idea of transmitting forces through a series of predetermined motions. These related concepts are the basis of dynamic movement.