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sashaice [31]
2 years ago
10

True or false I will mark brainless ​

Physics
1 answer:
rewona [7]2 years ago
7 0

Answer:

a) False

b) True

c) False

d) True

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What is a solvent and a solute
artcher [175]

Answer:

solvent: the substance in which a solute dissolves to produce a homogeneous mixture. solute: the substance that dissolves in a solvent to produce a homogeneous mixture.

Explanation:

eSo basically  thats  aswer

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3 years ago
Do the data for the first part of the experiment support or
mrs_skeptik [129]

Answer:

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3 years ago
A square coil (length of side = 24 cm) of wire consisting of two turns is placed in a uniform magnetic field that makes an angle
dalvyx [7]

Explanation:

It is given that,

Length of side of a square, l = 24 cm = 0.24 m

The uniform magnetic field makes an angle of 60° with the plane of the coil.

The magnetic field increases by 6.0 mT every 10 ms. We need to find the magnitude of the emf induced in the coil. The induced emf is given by :

\epsilon=N\dfrac{d\phi}{dt}

\dfrac{d\phi}{dt} is the rate of change if magnetic flux.

\phi=BA\ cos\theta

\theta is the angle between the magnetic field and the normal to area vector.

\theta=90-60=30

\epsilon=NA\dfrac{dB}{dt}\times cos30

\epsilon=2\times (0.24\ m)^2\times \dfrac{6\ mT}{10\ mT}\times cos(30)

\epsilon=0.0598\ T

\epsilon=59.8\ mT

or

EMF = 60 mT

So, the magnitude of  emf induced in the coil is 60 mT. Hence, this is the required solution.

6 0
3 years ago
Which of the following is an English system unit of measure?
SCORPION-xisa [38]
Nkkkkvvbbbvvvvvvvvvvvv said he would not have a good day to sleep on his bed but
5 0
3 years ago
An object falls 210 m in 6.3 s. What was it's initial velocity? Express your answer with the correct number of significant digit
KIM [24]

Answer:

u = 2.5 \ m/s

Explanation:

Given data:

Height, h = 210 \ m

Time, t = 6.3 \ s

Let the initial velocity of the object be <em>u</em>.

From the kinematic equation,

h = ut + \frac{1}{2}gt^{2}

210 = u \times 6.3 + 0.5 \times 9.80 \times (6.3)^{2}

\Rightarrow \ u = 2.46 \ m/s

u = 2.5 \ m/s (rounding to tenth place)

8 0
3 years ago
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