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3 years ago

Jxjxjfjfjfknfnfnnfmfgmmmmmmmm(xmpqitexsy.)

Physics

2 answers:

WITCHER [35]3 years ago

7 0

Answer:

Hi! can you give me BRAINLIEST ANSWER please.

I would appreciate it

notsponge [240]3 years ago

5 0

Answer:

jxjx

Explanation:

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The magnetic force exerted by two magnets decreases as the magnets are moved farther apart.

The magnetic force between two magnets is the force of repulsion or attraction between two magnets which leads to the calculation of a positive work.
The magnetic of a magnet is strongest at its poles.

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4 years ago

Which most likely has the greatest conductivity?

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A warm copper wire will have more conductivity

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4 years ago

Read 2 more answers

A box sits on the back of a flatbed truck. If the coefficient of static friction between the box and the truck bed is μs = 0.400

slava [35]

Answer:

28,699m

Explanation:

The force to make the box move should be μs.N=μs.m.g=m.|a|

then,

|a|=μs.g

Being

μs coefficient of static friction,

N the force made by the truck on the box caused by the gravity force,

m the mass,

g the acceleration of gravity

and a the acceleration of the truck.

$x = v \times t + \frac{1}{2} \times a \times {t}^{2}$

as the truck is stopping, the acceleration is negative. then,

$x = v \times t - \frac{1}{2} \times |a| \times {t}^{2}$

$|a| = v \div t \\ t = v \div |a|$

$x = v \times (v \div |a| ) - \frac{1}{2} \times |a| \times {(v \div |a|)}^{2}$

$x = v \times (v \div μs.g ) - \frac{1}{2} \times |a| \times {(v \div μs.g)}^{2}$

$x = \frac{{v}^{2}}{μs \times g} - \frac{1}{2} \times \frac{{v}^{2}}{μs \times g} \\ x = \frac{1}{2} \times \frac{{v}^{2}}{μs \times g} \\ x = 0.5 \times \frac{{(15m/s) }^{2} }{0.4 \times 9.8m/ {s}^{2} } = 28.699m$

28,699m

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3 years ago

What is electrical power and how is it measured?

Sliva [168]

Answer:

power is measured in watts and its the messure of work over time.

Explanation:

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3 years ago

A hockey player swings her hockey stick and strikes a puck. According to Newtons 3rd law of motion which of the following is a r

Korvikt [17]

Complete Question:

A hockey player swings her hockey stick and strikes a puck. According to Newton’s third law of motion, which of the following is a reaction to the stick pushing on the puck?

A. the puck pushing on the stick .

B. the stick pushing on the player .

C. the player pushing on the stick .

D. the puck pushing on the player.

Correct Option:

According to Newton’s third law of motion the puck pushing on the stick is a reaction to the stick pushing on the puck.

Option: A

Explanation:

As when the hockey exert force on the puck (which is a flat ball basically used in ice hockey) then this action by hockey will receive equal and opposite reaction by puck. Thus when the stick is pushing on the this flat ball, then puck also push the stick. This is understood by newton's third law pf motion, where action and reaction forces are subject of discussion, displaying their is pair of forces applied among the interacting objects. This form is observed more practically in life and very frequent.

3 0

4 years ago

Jxjxjfjfjfknfnfnnfmfgmmmmmmmm(xmpqitexsy.)​

Jxjxjfjfjfknfnfnnfmfgmmmmmmmm(xmpqitexsy.)