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VladimirAG [237]
3 years ago
6

A girl pushes on a table with a 5-newton force directed to the east. Her friend pushes on the same table with a 10- newton force

directed south. Which of the following diagrams best depicts the action of the two friends?

Physics
2 answers:
nalin [4]3 years ago
4 0

Think like this: 10 is twice as much as 5.

Answer A pushes 2 squares east and 4 squares sout, being doubled just as 10 is to 5. Happy to help :)

kifflom [539]3 years ago
4 0

Explanation:

It is given that, a girl pushes on a table with a 5-newton force directed to the east. Her friend pushes on the same table with a 10- newton force directed south.  

We know that force is a vector quantity. So, diagram that depicts the action of two friends is option (d). The magnitude of the resultant force is given by :

R=\sqrt{5^2+10^2}

R = 11.18 N

Hence, the correct option is (D).

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List at least 10 derived units of some physical quantities.​
Artist 52 [7]

Answer:

pressure, stress pascal N/m2

energy, work, quantity of heat joule N·m

power, radiant flux watt J/s

electric charge, quantity of electricity coulomb -

8 0
3 years ago
Read 2 more answers
In order to create a charged object, you need to ________.
Brums [2.3K]
In order to create a charged object you need to transfer electrons either away or to the object by induction, conduction, or friction

Induction is without contact(like bringing a charged object to a electroscope charges the leaves at the bottom)
Conduction is with contact(like the previous answer, wore touching transfers the charge from a source to the object)
Friction(rubbing a balloon on wool)

7 0
2 years ago
Draw and label a picture or make a real life model of something to display conservation of energy. Make sure it is something tha
sweet-ann [11.9K]
The picture shows it has a real life something to display conservation of energy  with kinetic energy and potential energy. 


Five sentences are for potential and kinetic energy. Potential energy is to energy an object when it stores. Kinetic energy is something to motion. When the potential energy is slows down the potential energy it might be increases. As from the object when the speeds up and it is decreases to potential energy.

Kinetic energy is to calculated by KE= mass×velocity²/2 as a fraction.

Potential energy is to calculated by PE= mass×g×height.

And the another picture it has a <span>energy, kinetic energy, mechanical energy, conservation of energy.

</span>

6 0
3 years ago
In a football game, the running back takes a handoff and begins running toward midfield at 3.21 yards/s . As he moves through hi
Inessa [10]

Given Information:

Initial speed = u = 3.21 yards/s

Acceleration = α  = 1.71 yards/s²

Final speed = v = 7.54 yards/s

Required Information:

Distance = s = ?

Answer:

Distance = s = 13.61

Explanation:

We are given the speeds and acceleration of the runner and we want to find out how much distance he covered before being tackled.

We know from the equations of motion,

v² = u² + 2αs

Where u is the initial speed of the runner, v is the final speed of the runner, α is the acceleration of the runner and s is the distance traveled by the runner.

Re-arranging the above equation for distance yields,

2αs = v² - u²

s = (v² - u²)/2α

s = (7.54² - 3.21²)/2×1.71

s = 46.55/3.42

s = 13.61 yards

Therefore, the runner traveled a distance of 13.61 yards before being tackled.

8 0
3 years ago
I NEEDHELP ASAP !!! BEIN TIMED AND I HAVE 5 MINS LEFT AND 8 LEFT TO ANSWER !
inn [45]

i think its a, good luck on your test

3 0
3 years ago
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