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prisoha [69]
3 years ago
10

Imagine a player throwing a football. Explain the action of what is happening to the hand and ball, as well as describe the acti

on force and the reaction force
Physics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

Explanation:

When a player throws a football , he applies force on the ball , due to which ball accelerates in forward direction . This is the action force .

The ball also applies a force on the hand of the player . Due to it the player experiences a pushing force in backward direction . This is reaction force .

Due to this force , the player does not move in backward direction because of frictional force of the ground . The frictional force keeps him stationary .

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A supersaturated solution is one which A. has less solute dissolved than the solution should hold at that temperature. B. has mo
Anna35 [415]

Answer:

Option C is correct

Explanation:

A supersaturated solution is one that has more solute dissolved than the solution should hold at that temperature.

Examples include carbonated water, sugar syrup, honey.

A solution of a chemical compound can be dissolved in heated water to prepare a supersaturated solution. A solution becomes supersaturated as its temperature is changed.

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3 years ago
I WILL MARK YOU THE BRAINLIEST NO LINKS AND IF YOU DONT UNDERSTAND THE QUESTION DONT ANSWER
elena-s [515]

Answer:

Perform a simple test of the material in the pan to assess whether it is real gold. Raw gold appears brassy yellow and bright. If you think it is gold, place your hand between it and the sun to create shade over the gold. If it still appears bright in the pan, chances are that it is real gold.

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based on the information in the graph why is energy released during the fission of a uranium (U) nucleus?
frutty [35]

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B

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4 0
3 years ago
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A 7800 W lift took 10 seconds to move a 5000 N weight. How far did the lift move this weight?
Eduardwww [97]

Answer:

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7 0
3 years ago
To pull a 57 kg crate across a horizontal frictionless floor, a worker applies a force of 230 N, directed 34° above the horizont
lisabon 2012 [21]

Answer:

a.  W_w=235\ J\\b. W_g=-343.54\ J\\c. F_N=463.100\ N\\d.  W_t=235\ J

Explanation:

Given: that,

Angle of inclination of the surface, \theta=34^{\circ}

mass of the crate, m=57\ kg

Force applied along the surface, F=230\ N

distance the crate moves after the application of force, s=1.1\ m

a) work done = F× s

 work done = 230 × 1.1

 work done = 253 J

b) Work done by the gravitational force:

W_g=m.g\times h

where:

g = acceleration due to gravity

h = the vertically downward displacement

Now, we find the height:

h=s\times sin\ \thetah=1.1\times sin\ 34^{\circ}h=0.615\ m

So, the work done by the gravity:

W_g=57\times 9.8\times (-0.615) \\= - 343.54 J

∵direction of force and displacement are opposite.

= - 343.54J

c)

The normal reaction force on the crate by the inclined surface:

F_N=m.g.cos\ \thetaF_N=57\times 9.8\times cos\ 34F_N=463.100\ N

d)

Total work done on crate is with respect to the worker:

W_t=235\ J

5 0
3 years ago
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