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Nesterboy [21]
3 years ago
14

Differences between single & double displacement reaction​

Physics
1 answer:
Rus_ich [418]3 years ago
3 0
<h2>Answer:</h2><h2>Single : A chemical reaction in which one element is replaced by another in a compound. </h2><h2>Double,:A chemical reaction involving the exchange of bonds between two non - reacting chemical species which results in the creation of products with similar bonding affiliations.</h2>

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If two charges attract each other, the two charges must be
padilas [110]

Answer:

be negative

Explanation:

8 0
4 years ago
Read 2 more answers
Tracy makes a list of energy transformations that occur as an engine runs to power a car. 1. chemical energy transforms into the
alex41 [277]

Transformation 3 should Tracy removed from the list. Chemical energy transforms into gravitational potential energy.

<h3> What is the law of conservation of energy?</h3>

According to the Law of Conservation of Energy, energy can neither be created nor destroyed, but it can be transferred from one form to another.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

Transformations that occur as an engine runs to power a car is;

1. Chemical energy of fuel transforms into thermal energy.

2. Thermal energy transforms into electrical energy used to lighten the bulb in a car.

3. Thermal energy transforms into kinetic energy to help to run the car.

Chemical energy transforms into gravitational potential energy is the incorrect energy transformation.

Hence, transformation 3 should Tracy removed from the list.

To learn more about the law of conservation of energy, refer to brainly.com/question/2137260.

#SPJ1

8 0
2 years ago
Which is an example of a screw?
NikAS [45]
Which one looks like a screw
A is shoes
B is a fork (lever)
C is a wind chime shaped like a screw
D is a stapler (lever)
5 0
3 years ago
Pilots often take advantage of the ____,which are highly-speed winds between 7km and 16 km above earths surface.
lukranit [14]
I believe it is called or referred to as the "Jet Stream". During World War II, allied pilots encountered high speed winds in the upper air. They named those winds after the fastest planes they came up against: fighters equipped with jet engines! Jet stream winds in winter time can reach up to 300 MPH as well!
6 0
3 years ago
A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii and are of uniform density. If the three are r
scZoUnD [109]

Answer:

A )  SOLID SPHERE

Explanation:

Moment of inertia of solid sphere = 2/5 M R²

= M K² , K is called radius of gyration

K = √2/5 R

Moment of inertia of solid cylinder = 1/2  M R²

= M K² , K is called radius of gyration

K = 1 /√2  R

Moment of inertia of solid sphere =  M R²

= M K² , K is called radius of gyration

K =  R

For rolling on inclined plane , acceleration  

a = \frac{gsin\theta}{1+\frac{K^2}{R^2} }

Putting the value of K for solid sphere

a for solid sphere

a = g sinθ / ( 1 +2/5)

a = .714 g sinθ

Putting the value of K for solid cylinder

a for solid cylinder

a = g sinθ / ( 1 +1/2)

a = .666 g sinθ

Putting the value of K for hollow pipe

a for hollow pipe

a = g sinθ / ( 1 +1 )

a = . 5 g sinθ

So we see that acceleration a for solid sphere is greatest and a for hollow pipe is the least. Hence solid sphere will reach the bottom earliest and hollow pipe will reach the bottom the latest.

7 0
3 years ago
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