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4 years ago

15

Which one never changes as you go to different planet? mass or weight?

2 answers:

ICE Princess25 [194]4 years ago

8 0

Mass. Your mass does not change regardless of your location. Since mass is the measure of the amount of material in an object.

Hunter-Best [27]4 years ago

6 0

Answer: Mass

Explanation: The mass of an object or person remains constant irregardless of its surrounding. Mass is the amount of matter present in any physical object. Weight is dependent on the gravitational force exerted on the object so it does not remain constant.

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What is the answer to this problem 2.40e+3kg

8090 [49]

3/5•(4e+5kg)

:

Factor out 3/5 from the expression

3/5•(4e+5k)

Use the commutative property to reorder the terms

3/5(4e+5k)

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3 years ago

An athlete walks 8 meters East , 2 meters South, 8 meters West, and finally 2 meters North. What is the total distance traveled?

serg [7]

Explanation:

20 meters is travelled by him

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2 years ago

Read 2 more answers

The old-fashioned record player had two speeds: one for long-playing albums (LP) and one for singles. The turntable speed for LP

eimsori [14]

Answer:

$\alpha = 0.305 rad/s^2$

Explanation:

initial frequency of revolution is given as

$f_1 = 100/3 rpm$

now initial angular speed is

$\omega_i = 2\pi f$

$\omega_i = 2\pi(\frac{100}{3\times 60})$

$\omega_i = 3.49 rad/s$

Similarly final angular speed is given as

$\omega_f = 2\pi f_2$

$\omega_f = 2\pi(\frac{45}{60})$

$\omega_f = 4.71 rad/s$

Now angular acceleration is given as

$\alpha = \frac{\omega_f - \omega_i}{\Delta t}$

$\alpha = \frac{4.71 - 3.49}{4}$

$\alpha = 0.305 rad/s^2$

3 0

3 years ago

On a visit to a science lab, Madison observes a blob of shiny material that is floating in the air.

AfilCa [17]

Answer:

Each force acting on the blob has another one to cancel it out

Explanation:

7 0

3 years ago

Read 2 more answers

Two positive point charges of 12uc and Suc

GarryVolchara [31]

Answer:

54 N

Explanation:

We have two positive charges 12uC and 5 uC ,they are kept at a distance of 10cm.

We have a relation for force between two charges q1,q2 as

$F=\frac{kq1q2}{r^{2} }$

Value of k is $9*10^9$

On substituting the values into the equation we get,

$F=\frac{9*10^9*12*5}{10^9*10}\\\\ F=54N$

Hence the force between them is 54 N.

7 0

3 years ago