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Snowcat [4.5K]
3 years ago
14

What happens to reactants when a chemical reaction takes place?

Physics
2 answers:
Artyom0805 [142]3 years ago
6 0

Answer:

reactants will decrease in amount

Explanation:

because reactants convert into products in a chemical reaction

yanalaym [24]3 years ago
5 0

Answer:

they collide with one another

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Which vector is the sum of vectors à and b?
Wittaler [7]

The vectors addition permits locating the perfect result for the sum of the two vectors in option B).  See attached and the vector is directed to the right and up.

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Disclaimer: your question is incomplete, please see below for the complete question.

The image shows the complete question.

Which vector is the sum of vectors à and b?

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7 0
2 years ago
What is Humpty Dumpty's momentum if he has a mass of 56kg and is walking to the wall at a rate of 3 m/s? ​
Sophie [7]

Answer:

168

Explanation:

56 x 3

have a nice day

5 0
3 years ago
A ball is lodged in a hole in the floor near the outside edge of a merry-go-round that is turning at constant speed. Which kinem
dybincka [34]

Answer:

Explanation:

It is given that the ball is lodged in a hole in the floor of merry-go-round that is running at a constant speed.

Now the ball is moving a vertical circular motion  

The position of the ball changes w.r.t to the center as it moves in a circular path i.e. vectorially it changes but its magnitude will remain the same.  

The velocity of the ball is the same as merry-go-round so its magnitude remains the same but its direction will change continuously.

As the ball is moving in a circular path so a centripetal acceleration will acts towards the center so its value will be continuously changing.

3 0
3 years ago
A 7300 N elevator is to be given an acceleration of 0.150g by connecting it to a cable of negligible weight wrapped around a tur
Firlakuza [10]

Answer:

α =18.75  rad/s²

Explanation:

Given that

Acceleration a = 0.15 g

We know that   g =10 m/s²

a= 0.15 x 10 = 1.5  m/s²

d= 16 cm

Radius r= 8 cm

Lets take angular acceleration =α rad/s²

As we know that

a= α r

Now by putting the values

1.5 = α  x 0.08

α =18.75  rad/s²

6 0
4 years ago
A stun gun or TASER is designed to put out a few seconds worth of electric pulses that impress a
iren [92.7K]

Answer:

Resistance = 400000 Ohms

Explanation:

Given the following data;

Voltage = 1200 V

Current = 3 mA = 3/1000 = 0.003 A

To find the resistance;

Voltage = current * resistance

Resistance = 1200/0.003

Resistance = 400000 Ohms

5 0
3 years ago
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