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2 years ago

9

at a certain moment, an object has an amount of 200 of motion energy and 400 of gravitational potential energyThe object is also

sliding on a rough surface that causes of energy to be converted as a heatHow much is the total energy of the object?

1 answer:

Radda [10]2 years ago

8 0

Answer:

twice as much energy

Explanation:

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A biker first accelerates from 0.0 m/s to 6.0 m/s in 6 s, then continues at this speed for 5 s. What is the total distance trave

Svetradugi [14.3K]

Answer:

48m

Explanation:

Given the following data;

Initial velocity = 0m/s

Final velocity = 6m/s

Time, t = 6 secs

Time, T2 = 5 secs

Mathematically, acceleration is given by the equation;

$Acceleration (a) = \frac{final \; velocity - initial \; velocity}{time}$

Substituting into the equation;

$a = \frac{6 - 0}{6}$

$a = \frac{6}{6}$

Acceleration, a = 1m/s²

<u>To find the distance covered in the first phase;</u>

<em>Solving for distance, we would use the second equation of motion;</em>

$S = ut + \frac {1}{2}at^{2}$

<em>Substituting the values into the equation;</em>

$S = 0(6) + \frac {1}{2}*1*(6)^{2}$

$S = 0 + \frac {1}{2}*1*36$

$S = 0.5 *36$

Distance, S1 = 18m

<u>For the second phase, time T2 = 5 secs;</u>

<em>Mathematically, speed is given by the equation;</em>

$Speed = \frac{distance}{time}$

<em>Making distance the subject of formula, we have;</em>

$Distance, S = speed * time$

<em>Substituting into the above equation;</em>

$Distance, S = 6 * 5$

Distance, S2 = 30m

Total distance = S1 + S2 = 18m + 30m = 48m

Total distance = 48m

<em>Therefore, the total distance traveled by the biker is 48m.</em>

4 0

3 years ago

Two vectors have magnitudes of 10 and 15. The angle between them when they are drawn with their tails at the same point is 65. T

IrinaK [193]

Two vectors have magnitudes of 10 and 15. The angle between them when they are drawn with their tails at the same point is 65. The component of the longer vector along the line of the shorter is 6.33 .

A vector is a quantity or phenomenon that has two independent properties: magnitude and direction. The term also denotes the mathematical or geometrical representation of such a quantity. Examples of vectors in nature are velocity, momentum, force, electromagnetic fields, and weight.

The taller component will be 15 . There will be two components taller component , one in the direction of shorter component and other perpendicular to the shorter wavelength .

The component of longer wavelength in the direction of shorter will be

= 15 cos (theta ) = 15 cos (65) = 6.33

where theta is the angle between both the vectors

To learn more about vectors here

brainly.com/question/13322477

#SPJ4

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2 years ago

Large amounts of water that quickly infiltrate soil on a sloped surface can

sergey [27]

A is the correct choice

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3 years ago

A block of wood has a mass of 120 g and a volume of 200cm what is the density of the word

Tanzania [10]

Density =mass/volume 120/200 =0.6 g/cm

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3 years ago

The primary colors of light are A. red, yellow, and blue. B. red, white and blue. C. blue, green, and red. D. cyan, magenta, and

zhuklara [117]

I think it is A I hope I helped you

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3 years ago

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