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3 years ago

Which of the following is the greatest component of plasma?

1 answer:

6 0

The main role of plasma is to take your nutrients, hormones, and protein to the cells that need it almost like a little grocery store that goes to your cells and drops of what they need
Plasma is also made up of 90% water 8%proteins and 2%hormones. Normally your blood should have 55% of it to be plasma unless your body is polycythemic or anemic.

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A 6.0-μF capacitor charged to 50 V and a 4.0-μF capacitor charged to 34 V are connected to each other, with the two positive pla

ch4aika [34]

Answer:

5702.88 J or 5.7mJ

Explanation:

Given that :

C 1 = 6.0-μF

C 2 = 4.0-μF

V 1 = 50V

V 2 = 34V

Note that : Q = CV

Q 1 = C1 * V1

Q 1 = 50×6 = 300μC

Q 2 = 34×4 = 136μC

Parallel connection = C 1 + C 2

= 6+4 = 10μC

V = Qt/C

Where Qt = Q1+Q2

V = Q1+Q2/C

V = 300+136/10

V = 437/10

V = 43.6volts

Uc1 = 1/2×C1V^2

= 1/2 × 6μF × 43.6^2

= 1/2 × 6μF × 1900.96

= 3μF × 1900.96volts

= 5702.88J

= 5702.88J/1000

= 5.7mJ

4 0

3 years ago

What is the power involved in lifting a 10-kg object 1.0 m in 0.50 s?

Sedbober [7]

In this question, we know that mass= 10 kg = 10 x 1000 = 10,000 g
Distance = 1 m and Time = 0.5 s

Power = Force x Velocity
Velocity = Distance / Time = 1 m / 0.5 s = 2 m/s
So, Power = Force x (Distance / Time)
But Force= Mass x Acceleration due to gravity (g)
So, Force = 10 kg x 9.8 m/s $^{2}$ = 98
Therefore, Power =Force x Velocity= 98 x 2 = 196 W

5 0

2 years ago

An extended body (not shown in the figure) has its center of mass at the origin of the reference frame. In the case below give t

Vera_Pavlovna [14]

The direction of torque τ this method is mathematically given as

D=X

Option A is correct.

<h3>What is the direction of torque?</h3>

Generally, the equation for torque is mathematically given as

τ = r X F

Hence to decipher the torque direction with respect to the center of mass of the body due to force F acting on the body at a location indicated by the vector r

We utilize our right hand.
Place our right-hand fingers along the path of r
Place our right-hand palm on F
Then slowly we sweep r into F.
The path or direction of the thumb will provide the direction of the torque.

In conclusion, the direction of this method is

D=X Option A.

Read more about torque

brainly.com/question/6855614

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8 0

2 years ago

In 1898, the world land speed record was set by Gaston Chasseloup-Laubat driving a car named Jeantaud. His speed was 39.24 mph (

FromTheMoon [43]

Answer:

the acceleration $a^{\to} = (0.0159 \ \ m/s^2 )i$

Explanation:

Given that:

the initial speed v₁ = 0 m/s i.e starting from rest ; since the car accelerates at a distance Δx = 6 miles in order to teach that final speed v₂ of 63.15 km/h.

So; the acceleration for the first 6 miles can be calculated by using the formula:

v₂² = v₁² + 2a (Δx)

Making acceleration a the subject of the formula in the above expression ; we have:

v₂² - v₁² = 2a (Δx)

$a = \dfrac{v_2^2 - v_1^2 }{2 \Delta x}$