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Liula [17]
3 years ago
7

A train stops suddenly at the train station and everyone in the cars continue moving forward.

Physics
1 answer:
IgorC [24]3 years ago
5 0

Answer:

nope

Explanation:

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A 10N falling encounters 10N of air resistance (upward force). The net force on the object is:
NemiM [27]

0 N. It's being pushed up the same amount it's being pushed down, so it cancels out.

6 0
3 years ago
Two 100kg bumper cars are moving towards eachother in oppisite directions. Car A is moving at 8 m/s and Car B at -10 m/s when th
DerKrebs [107]

Answer:

-10 m/s

Explanation:

When two cars collide then the momentum of two cars will remains conserved

  • Mass of two cars = 100 kg
  • Speed of car A = 8 m/s
  • Speed of car B = - 10 m/s
  • After collision the speed of car B = +8 m/s

By momentum conservation equation

               m1v1i+m2v2i=m1v1f + m2v2f

               (100)(8)+(100)(-10)=(100v)+(100)(8)\\                            v=-10 m/s

7 0
3 years ago
A student walks 4 blocks east, 1 blocks north, 2 block west and then 1 blocks south in an hour. Her average velocity is?​
arsen [322]

Answer:

2 m/s

Explanation:

Given that a student walks 4 blocks east, 1 blocks north, 2 block west and then 1 blocks south in an hour.

The total time = 1 hour

The vertical displacement = 1 - 1

Vertical displacement = 0

Horizontal displacement = 4 - 2

Horizontal displacement = 2

Total displacement = sqrt (2^2 - 0^2)

Total Displacement = 2

Average velocity = displacement/time

average velocity = 2 / 1

Average velocity = 2 m/s

Therefore, her average velocity is 2 metres per second.

4 0
4 years ago
Electromagnetic Energy Example One Activity:
stich3 [128]
One type is microwaves

Microwaves are used for radio and radar communications
Also used to cook food
6 0
3 years ago
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