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katrin [286]
3 years ago
6

A soccer player kicking a ball; the ball soaring through the air and landing on the ground

Physics
1 answer:
natulia [17]3 years ago
8 0
Yesssssssssssssssssssss
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An airplane undergoes the following displacements, all at the same altitude: First, it flies 59.0 km in a direction 30.0° east o
ddd [48]

Answer:

B) 71.5 [km]

Explanation:

To solve this problem we will decompose each of the directions in the x & y axes.

To solve this problem we will decompose each of the directions in the x & y axes. also for a greater understanding of the angles, you should look at the attached image, which contains the orientations for each angle (clockwise or counterclockwise).

<u>59.0 km in a direction 30.0° east of north</u>

<u />

d_{1x}= 59*sin(30) = 29.5[km]\\d_{1y}= 59*cos(30) = 51.09[km]

<u>58.0 km due south</u>

<u />

d_{2y} = - 58 [km]\\

<u>It flies 100 km 30.0° north of west</u>

<u />

<u />d_{3x}= - 100*cos(30) = -86.6[km]\\d_{3y} = 100*sin(30)= 50 [km]<u />

<u />

Now we sum algebraically the components

d_{x}=29.5-86.6 = -57.1[km]\\d_{y}=51.09 -58+50=43.09[km]\\\\

Using the Pythagorean theorem we can find the magnitude of the displacement.

d = \sqrt{(57.1)^{2} +(43.09)^{2} } \\d= 71.53[km]

7 0
3 years ago
Reeti has a mass of 51.0 kg. The Gravitron, a ride that spins so fast that the floor can be removed without the riders falling,
Serggg [28]

Answer:

L = 2774.4 kgm^{2}/s

Explanation:

Using the formula

L = mvr

Where L is angular momentum

m is mass

v is velocity

r is radius

m= 51kg , v=17m/s , r=3.2m

L = 51×17×3.2

L = 2774.4 kgm^{2}/s

7 0
3 years ago
How does momentum conservation work for a rocket firing its engines to speed up in deep space?
Mashutka [201]
Idkhhhhhhhhhhubvgbvcccc xzzz. Bcc bbb
3 0
3 years ago
the curiosity rover sent to explore the surface of mars has an electric generator powered by heat from the radioactive decay of
pav-90 [236]

An element can be identified by its unique atomic number. When we look in the periodic table, we find that the element with an atomic number of 9292 is uranium. There is only option containing uranium which also confirms the mass number we found. So, the daughter nucleus of the decay is 234^U.

In an alpha decay, a positively charged particle similar to a helium-4 nucleus gets released from the parent nucleus spontaneously. As the composition suggests, an alpha particle consists of two protons and 2 neutrons. The particle does not travel much, but in short range, it carries the most energy.

It's smart to use the thermal energy provided by the radioactive decay to generate electricity. This allows for a stable supply of power without consuming much space which means the saved space can be used for more scientific equipment.  The alpha particle, structurally equivalent to the nucleus of a helium atom.

Learn more about nucleus here:

brainly.com/question/23366064

#SPJ4

3 0
2 years ago
The rectangular coordinates of a point are (5.00, y) and the polar coordinates of
Otrada [13]

Answer:

Explanation:

Polar coordinates formula

Summary. To convert from Polar Coordinates (r,θ) to Cartesian Coordinates (x,y) : x = r × cos( θ ) y = r × sin( θ )

6 0
3 years ago
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