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3 months ago

When 999mm is added to 100m ______ is the result

Physics

2 answers:

Keith_Richards [3.2K]3 months ago

6 0

Answer:

The outcome of adding 999mm to 100m is 101m.

Explanation:

That's my belief.

Softa [3K]3 months ago

4 0

Answer:

The total becomes 100.999m.

Explanation:

To get this, convert 999 mm into meters, yielding 0.999m, then sum this with 100 m, resulting in 100.999 m.

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Which new process was added to the nebular theory of solar system formation to account for the existence of Jupiter-mass planets

serg [3582]

Intense activity and magnetic fields are manifested by features, with sunspots occurring that are vastly larger than those seen on the Sun. These cause disturbances in the star's spectrum that exceed those produced by planets, rendering them significantly more difficult to detect, even in cases of hot Jupiters.

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2 months ago

hows a map of Olivia's trip to a coffee shop. She gets on her bike at Loomis and then rides south 0.9mi to Broadway. She turns e

Softa [3030]

The inquiry is unfinished. Below is the complete question.

The attached map depicts Olivia's journey to the coffee shop. She rides her bike south for 0.9mi to Broadway after starting at Loomis. Next, she turns east onto Broadway, traveling 0.8mi until the road curves, and then she proceeds another 1.4mi to reach the shop.

What is the total displacement magnitude of her journey?

What direction does the total displacement of her journey take?

Response: Magnitude = 2.6mi

Direction: 54.65° east

Clarification: Displacement refers to the change in position of a moving entity.

There are various methods to calculate total displacement. In this scenario, the method of Perpendicular Components of a Vector will be applied.

This method calculates total displacement as follows:

$\Delta d_{t}=\sqrt{(\Delta d_{x})^{2}+(\Delta d_{y})^{2}}$

$\theta=tan^{-1}(\frac{\Delta d_{y}}{\Delta d_{x}})$

$\Delta d_{x}$ represents the x-component of the total displacement, which is the total of all individual x-components;

$\Delta d_{y}$ stands for the y-component of the total displacement, calculated by summing all individual y-components;

θ signifies the angle of the resultant displacement;

In Olivia's case, there is no x-component for the first leg, and for the last segment, the biking path acts as the hypotenuse of a right triangle. Therefore, the x-component of that triangle is:

$sin30=\frac{x}{1.4}$

$\frac{1}{2} =\frac{x}{1.4}$

x = 0.7

Consequently,

$\Delta d_{x}$ = 0 + 0.8 + 0.7

$\Delta d_{x}$ = 1.5

Regarding the y-component, there’s no y-component in the second portion of Olivia's ride, and in the last segment:

$cos30=\frac{y}{1.4}$

$\frac{\sqrt{3} }{2} =\frac{y}{1.4}$

y = 1.21

Thus,

$\Delta d_{y}$ = 0.9 + 0 + 1.21

$\Delta d_{y}$ = 2.11

The total displacement is

$\Delta d_{t}=\sqrt{(1.5)^{2}+(2.11)^{2}}$

$\Delta d_{t}=\sqrt{6.7021}$

$\Delta d_{t}=$ 2.6

The magnitude of Olivia's total displacement is 2.6mi

Connecting the starting and ending points on the map forms a vector directed eastward, at an angle of:

$\theta=tan^{-1}(\frac{2.11}{1.5})$

$\theta=tan^{-1}(1.41)$

θ = 54.65°

The direction of the total displacement is 54.65° East.

6 0

3 months ago

A convex mirror with a focal length of 0.25 m forms a 0.080 m tall image of an automobile at a distance of 0.24 m behind the mir

ValentinkaMS [3465]

Answer:

The object measures 6 m in distance and 2 m in height.

It creates a virtual image that is upright.

Explanation:

Provided data includes:

Focal length = 0.25 m

Image height = 0.080 m

Image distance = 0.24 m

We are to determine the object's distance.

Using the lens formula:

$\dfrac{1}{v}=\dfrac{1}{f}+\dfrac{1}{u}$

Substituting values into the formula:

$\dfrac{1}{0.24}=\dfrac{1}{0.25}+\dfrac{1}{u}$

$\dfrac{1}{u}=\dfrac{1}{0.24}-\dfrac{1}{0.25}$

$\dfrac{1}{u}=\dfrac{1}{6}$

$u=6\ m$

We also need to calculate magnification:

Applying the magnification formula:

$m=-\dfrac{v}{u}$

Substituting values into this formula:

$m=-\dfrac{0.24}{-6}$

$m=0.04$

Next, we need to find the height of the object:

Using the magnification formula once more:

$m=\dfrac{h'}{h}$

$h=\dfrac{0.080}{0.04}$

$h=2\ m$

A convex mirror generates a virtual and upright image on its backside.

Consequently, the object is at a distance of 6 m and has a height of 2 m.

The image formed is virtual and upright.

6 0

3 months ago

Read 2 more answers

A household refrigerator runs one-fourth of the time and removes heat from the food compartment at an average rate of 800 kJ/h.

Ostrovityanka [3204]

Answer:

1454.54 kJ/h or 0.404 kW

Explanation:

Provided:

The heat being removed by the refrigerator is 800 kJ/h.

The refrigerator's coefficient of performance (COP) is 2.2.

Since the refrigerator operates for one-fourth of the time,

it effectively removes heat, Q = $4\times 800 kJ/h$ = 3200 kJ/h.

Next, the power consumed by the refrigerator during its operation is calculated as:

$\frac{Q}{COP}$

= $\frac{3200 kJ/h}{2.2}$ .

= 1454.54 kJ/h

Thus, the fridge uses 1454.54 kJ/h

or 0.404 kW (given 1 kW = 3600 kJ/h).

4 0

3 months ago

Many kinds of analysis in the physical sciences are helped by identifying quantities that are constant. It is usual to begin by

serg [3582]

In circuit analysis, various essential physical quantities must be accurately measured to define circuit characteristics. These include current, denoted as I, representing the flow of electrons, and voltage, which indicates potential difference within the circuit. Most crucially, the resistance, R, outlines the circuit parameters. All these measurements can be determined using a digital multimeter or DMM.

8 0

2 months ago

When 999mm is added to 100m ______ is the result​

When 999mm is added to 100m ______ is the result