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Vilka [71]
4 years ago
7

Please help!!

Physics
2 answers:
vovangra [49]4 years ago
6 0
An equal or opposite force going against the object in motion
alexgriva [62]4 years ago
4 0
I think its mass i don't really remember but i think its mass 

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100 points! please help!!!
IRINA_888 [86]

Answer:

Explanation:

A plane flies due north (90° from east) with a velocity of 100 km/h for 2 hours.

With no wind, it will be 100*2 = 200 km north of its starting point.

But a steady wind blows southeast at 30 km/h at an angle of 315° from due east.

So the wind itself will blow the plane 30*2 = 60km at an angle of 315° from due east.

That is the same as 60*cos315° = 42.43km due east and 60*sin315° = -42.43km north.

Combining, the plane is at 42.43km due east and 200-42.43 = 157.57km due north from its starting point.

7 0
3 years ago
Read 2 more answers
A 5kg object is moving downward at a speed of 12m/s. If it is currently 2.6m above the ground, what is its kinetic energy?
Nookie1986 [14]

Answer:

360J

Explanation:

In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.

5 0
3 years ago
Can you explain why number 3 is correct?
lukranit [14]
No waves because Q19 waves would going at the surface at regions
7 0
3 years ago
What happens to the moleclues within a gas when the gas Condeenses
motikmotik
Condensation happens when molecules in a gas cool down. As the molecules lose heat, they lose energy and slow down. They move closer to other gas molecules. Finally these molecules collect together to form a liquid. Hope it helps
7 0
3 years ago
A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting? A. 588 J B. 45.6 J C. 446.9 J
Eva8 [605]
To approximately measure the work performed during the lifting, you can use the following formula :
W = m.g.h , where m = mass, g  = gravity, h = height

3.8 x 9.8 x 12 = 446.9 Joule , approximately
4 0
3 years ago
Read 2 more answers
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