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kotegsom [21]
3 years ago
15

She leaves her campsite and runs north for 10 miles turns east and runs 8 miles then turns south and runs 2 miles.whats her dist

ance?
Physics
1 answer:
Mama L [17]3 years ago
4 0

The distance is 20 miles

Explanation:

Definitions:

  • Distance is the total length of the path covered by an object during its motion, regardless of the direction of its motion
  • Displacement is the shortest distance between the initial and final position of the motion, so it also takes into account the direction of motion

In this problem, we want to know the distance covered by the woman. The motion consists of the following parts:

d_1 = 10 miles north

d_2 = 8 miles east

d_3 = 2 miles south

To find the distance, we just have to add the length of each path, ignoring the direction. Therefore:

d=d_1 + d_2 + d_3 = 10+8+2 = 20 miles

Learn more about distance and displacement:

brainly.com/question/3969582

#LearnwithBrainly

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150kg object takes 1.5minutes to travel 2,500 meter straight path it begins the trip traveling 120m/s and decelerates to a veloc
Free_Kalibri [48]
<h2>Answer:</h2>

Acceleration= -1.11 m/sec²


<h2>Explanation:</h2>

Date Given to us is

Mass = 150 kg

Time = 1.5 minutes = 90 seconds

Distance = 2500 meters

Initial Velocity = 120 m/s

Final Velocity = 20 m/s

Acceleration = ?

<u>Solution:</u>

By using First Equation of motion

Vf = Vi + at

Putting the values

20 = 120 + a (90)

Subtracting 120 on both sides

20-120 = 120 + a(90) - 120

-100 = 90 a

Dividing both sides by 90

-100/90 = 90 a / 90

-1.11 = a

So the acceleration is -1.11 m/s²

3 0
4 years ago
Aang and Appa are flying over Ba Sing Se. They covered 500 m in 30 seconds while heading east. What was their velocity?
barxatty [35]

Answer:

Explanation:

I need help to marysol;)

8 0
4 years ago
An airplane starts from rest and accelerates at 10.8 m/s2 . what is its speed at the end of a 400 m long runway?
Cloud [144]

The final speed of an airplane is v = 92.95 m/s

The rate of change of position of an object in any direction is known as speed i.e. in other word, Speed is measured as the ratio of distance to the time in which the distance was covered.

Solution-

Here given,

Acceleration a= 10.8 m/s2 .

Displacement (s)= 400m

Then to find final speed of airplane v=?

Therefore from equation of motion can be written as,

v²=u²+ 2as

where, u is initial speed, v is final speed ,a is acceleration and s is displacement of the airplane. Therefore by putting the value of a & s in above equation and (u =0) i.e. the initial speed of airplane is zero.

v²= 2×10.8 m/s²×400m

v²=8640m/s

v=92.95m/s

hence the final speed of airplane v =92.95m/s

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5 0
2 years ago
The _______ is used to measure earthquake strength
zaharov [31]

Answer:

to measure the strength of an earthquake you could use the Mercalli scale

Explanation:

Hope this helps.

3 0
3 years ago
Read 2 more answers
I NEED AN ANSWER ASAP!!!!!!!!!!!! PLEASE HELP ME!!!!!!!!!!!!!!! A 1.5m wire carries a 9 A current when a potential difference of
erik [133]

           Resistance  =  (voltage) / (current)

                               =   (58 v)  /  (9 A)

                               =        6.44 ohms

(The number would not be an answer without units.)
4 0
4 years ago
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