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love history [14]
2 years ago
8

А man runs 20 km west is hows. He then runs 20km 60° north or west 2.5 hours. what's the average velocity the Runnner?​

Physics
1 answer:
shepuryov [24]2 years ago
7 0

Explanation:

\large{ \star \fcolorbox{magenta}{purple}{ \fcolorbox{magenta}{blue}{ \fcolorbox{magenta}{pink}{ \fcolorbox{magenta}{red}{ \sf{ añswër}}}}}} \star

<h2>8km/h</h2>
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Define acceleration what it's formula​
Paha777 [63]

Answer:

The definition of acceleration is a change in the rate of motion, speed or action.

<h2>hope it helps.</h2><h2>stay safe healthy and happy..</h2>

4 0
2 years ago
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A floating ice block is pushed through a displacement d = (13.5 m)i + (-14.3 m)j along a straight embankment by rushing water, w
fredd [130]

To solve this problem, we are going to use the formula for work which is Fd where x and y are measured separately.

 

X direction: W = 13.5 x 230 = 3105 Joules

Y direction: W = -14.3 x -165 = 2360 Joules

So the total work is getting the sum of the two: 3105 + 2360 = 5465 Joules

7 0
3 years ago
Which statement is true about the theory of plate tectonics and the theory of continental drift?
NISA [10]

Answer:

The theory of plate tectonics explains how continental movements could occur. B. The theory of plate tectonics shows that continental movements could not have happened. C. The theory of plate tectonics tells us exactly where the continents were before Pangaea divided. D. The theory of plate tectonics shows that Pangaea was impossible, but .

Explanation:

6 0
2 years ago
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You and your bicycle have combined mass 80.0 kg. When you reach the base of a bridge, you are travelling along the road at 7.50
Sonja [21]

We have that K.E and work done is

  • K.E=-1890J
  • W=2186J

From the Question we are told that

mass= 80.0 kg

Velocity= 7.50 m/s.

vertical distance of 5.20 m

Slowed to 3.00 m/s.

Generally the equation for Kinetic energy   is mathematically given as

K.E=\frac{mv^2}{2}-\frac{mv^2}{2}\\\\K.E=\frac{80*3^2}{2}-\frac{80*7.5^2}{2}

K.E=-1890J

B)

P.E=mgh\\\\P.E=80*9.8*5.2\\\\P.E=4076

Therefore

W=4076-1890J

W=2186J

For more information on this visit

brainly.com/question/12669551?referrer=searchResults

4 0
2 years ago
Anyone know how to do this?
Nadya [2.5K]

nope not really sorry

8 0
2 years ago
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