3 years ago

What is the weight of a 20 kg box on the Earth? A) 2 N B) 20 N C) 200 N

Physics

1 answer:

jarptica [38.1K]3 years ago

6 0

C 200 Newtons ........

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One jet is flying east at 880 km/h,and another is traveling north at 880 km/h.Do they have the same velocity?the same speed?Expl

shusha [124]

Velocity is the speed and direction combined.
So, the two jets both are going at the same speed.
But they are going in different directions, so their velocities are different.

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3 years ago

Explain how an intrusive igneous rock could become a metamorphic rock and then an extrusive igneous rock.

sleet_krkn [62]

1.igneous rocks are formed when magma or lava cools and hardens
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3 years ago

Calculate the total resistance for a 650ohm , a 350 ohm , and a 1000 ohm resistor connected in series

Mekhanik [1.2K]

Answer:

2000 ohms

Explanation:

Resisters in series just add.

Rt = R1 + R2 + R3

R1 = 650 ohm

R2 = 350 ohm

R3 = 1000 ohm

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Rt = 2000 ohms.

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3 years ago

Read 2 more answers

A wire carries a steady current of 2.60 A. A straight section of the wire is 0.750 m long and lies along the x axis within a uni

ad-work [718]

Answer:

The magnetic force on the section of wire is $-2.925\hat{j}\ N$ .

Explanation:

Given that,

Current $I = 2.60\hat{i}\ A$

Length = 0.750 m

Magnetic field $B = 1.50\hat{k}\ T$

We need to calculate the magnetic force on the section of wire

Using formula of magnetic force

$\vec{F}=l\vec{I}\times\vec{B}$

$\vec{F}=0.750\times2.60\hat{i}\times1.50\hat{k}$

Since, $\hat{i}\times\hat{k}=-\hat{j}$

$\vec{F}=-2.925\hat{j}\ N$

Hence, The magnetic force on the section of wire is $-2.925\hat{j}\ N$ .

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3 years ago

If kinetic energy of a body is increased by 125%, the percentage increase in Momentum is?

Andre45 [30]

Answer:

50 %

Explanation:

It's Fifty percent

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3 years ago