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Fiesta28 [93]
2 years ago
5

Some machines do not multiply the force that is applied to them

Physics
1 answer:
Katyanochek1 [597]2 years ago
5 0

Answer:

Machine Efficiency

Explanation:

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work). The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent

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An atom or ion has the abbreviated electron configuration [kr]. Select the species that it could not be
Lera25 [3.4K]

An atom or ion which does not have the same electronic configuration as the species [kr] is K+

The complete question is given below:

An atom or ion has the abbreviated electron configuration (Kr). Select the species that it could not A. Br" B. K+ C. Sr24 D. Rbt E. Se-

<h3>What is an atom?</h3>

An atom can be defined as the smallest particle of an element which can take part in a chemical reaction.

Some elements are

  • Monoatomic; eg: C
  • Diatomic; eg: O2
  • Triatomic and others
  • Polyatomic

So therefore, an atom or ion which does not have the same electronic configuration as the species [kr] is K+

Learn more about atoms or ions of elements:

brainly.com/question/6258301

3 0
2 years ago
What acceleration does the force of earth's gravity peoduce
maksim [4K]
Near Earth's surface, gravitational acceleration is approximately 9.81 m/s2, which means that, ignoring the effects of air resistance, the speed of an object falling freely will increase by about 9.81 metres per second every second.
8 0
3 years ago
If you whirl a tin can on the end of a string and the string suddenly breaks, in what direction will the can go?
Contact [7]

Answer:

fly off, tangent to its circular path.

Explanation:

4 0
2 years ago
Calculate the kinetic energy, in joules of a 1160-kg automobile moving at 19.0 m/s.
Rudiy27

Answer:

Explanation:

K.E=1/2 mv²

m=1160 kg

v=19.0 m/s

so k.e=1/2*1160*(19.0)²

K.E=1/2*1160*361

K.E=1/2*418760

K.E=209380=2.0*10^5 j

7 0
2 years ago
Can someone help me with this
yKpoI14uk [10]

bonded pairs of electrons, lone pairs of electrons.

4 0
3 years ago
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