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Paraphin [41]
3 years ago
14

Two particles with the same charge will repel each other. True or false

Physics
1 answer:
FinnZ [79.3K]3 years ago
7 0
True. Think of a magnet and how they only connect to the opposite charges. 
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Please answer the following question!
Semmy [17]

Answer:

0

Explanation:

the momentum will always be 0 when it is at rest because the object isnt moving!

Hope this helped!

6 0
2 years ago
Two automobiles traveling at right angles to each other collide and stick together. Car A has a mass of 1200 kg and had a speed
sergij07 [2.7K]

Answer:

v_{B0}=15.73 m/s

Explanation:

We can use the conservation of momentum. The initial momentum is equal to the final momentum:

x-coordinate

p_{0x}=p_{fx}

m_{A}v_{A0}=(m_{A}+m_{B})v_{cx}  

m_{A}v_{A0}=(m_{A}+m_{B})v_{c}cos(40) (1)

y-coordinate

p_{0y}=p_{fy}

m_{B}v_{B0}=(m_{A}+m_{B})v_{cy}  

m_{B}v_{B0}=(m_{A}+m_{B})v_{c}sin(40) (2)

We can divide equations (2) and (1):

\frac{m_{B}v_{B0}}{m_{A}v_{A0}}=\frac{sin(40)}{cos(40)}

\frac{m_{B}v_{B0}}{m_{A}v_{A0}}=tan(40)

v_{B0}=\frac{m_{A}v_{A0}}{m_{B}}*tan(40)

v_{B0}=\frac{1200*25}{1600}*tan(40)

v_{B0}=15.73 m/s

I hope it helps you!

           

4 0
3 years ago
Read 2 more answers
Why do people cry but dont say whats wrong they jus stand and act like we kno wha wrong
Finger [1]

Answer:

usually its because they dont wanna talk

Explanation:

I know what thats  like. Either that or they don't trust you. It could be something personal or they just dont wanna talk. But i wouldn't push. Just let them talk if they want to

5 0
3 years ago
When two objects move apart from each other, what happens to the gravitational force between them?
hichkok12 [17]

C. It decreases

Cuz you know two objects are moving apart from each other the gravitational attraction between them is decreasing. as well as the gravitational force.

6 0
2 years ago
Read 2 more answers
What variable did the researchers intentionally vary in the experiment
Dima020 [189]

Answer: Dependent Variable

Explanation:

There are two types of variable in any kind of experiment:

Independent Variable which are mostly known as inputs

Dependent Variables which are mostly known as outputs

In any experiment, the researches focus on observing the output values (dependent variables) by intentionally changing the inputs (Independent variables).

e.g. If we are observing the strain on any object, we try to change the value of stress on that particular object.

Here strain is a dependent variable whereas stress is an independent variable because it doesn't depend on whatever the value of strain may be.

6 0
3 years ago
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