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3 years ago

A person suffering from anaemia gets tired

2 answers:

5 0

Yes, Anaemia is a blood disorder, (I believe of iron levels) and can cause nausea and lightheaded ness, ergo making the victim tired and oxygen hard to reach the brain in some occasions. They can even end up passing out

avanturin [10]3 years ago

4 0

Answer: yes.

Explanation:

You might be interested in

A 4.0 kg bird has 8.0 joules of kinetic energy how fast is it flying

poizon [28]

Answer

The velocity of the bird is 2 m /sec .

Explanation:

The formula for kinetic energy is given by.

$Kinetic\ energy = \frac{1}{2}\ m\ v^{2}$

Where m is mass , v is the velocity .

As given

A 4.0 kg bird has 8.0 joules of kinetic energy .

m = 4.0 kg

K.E = 8.0 joules

Putting in the formula

$8.0 = \frac{1}{2}\times 4.0\times v^{2}$

$v^{2}= \frac{8.0\times 2}{4.0}$

$v^{2}= 2\times 2$

$v^{2}= 4$

$\sqrt{4} = 2$

Thus

v = 2 m/sec

Therefore the velocity of the bird is 2 m /sec .

3 0

3 years ago

A 2.36 kg block resting on a frictionless surface is attached to an ideal spring with spring constant k = 260 Nm . A force is ap

podryga [215]

Answer:

-2.63 Joules

2.63 Joules

Explanation:

$x_i$ = Initial compression = 5.89 cm

$x_f$ = Final compression = -15.4 cm

k = Spring constant = 260 Nm

Work done by a spring is given by

$W=\frac{1}{2}k(x_i^2-x_f^2)\\\Rightarrow W=\frac{1}{2}260\times (0.0589^2-0.154^2)\\\Rightarrow W=-2.63\ J$

Work done by the spring is -2.63 Joules.

Change in kinetic energy is given by

$\Delta K=W_a+W_s$

Here, it is assumed that change in kinetic energy is zero as velocity and amlitude are not mentioned.

So,

$0=W_a+W_s\\\Rightarrow W_a=-W_s\\\Rightarrow W_a=--2.63\\\Rightarrow W_a=2.63\ J$

The work done by the applied force is 2.63 Joules.

8 0

2 years ago

What will the reading of the voltmeter be at the instant the switch returns to position a if the inertia of the d'Arsonval movem

Step2247 [10]

Answer:

hello your question is incomplete attached below is the complete question

answer :

20.16 v

Explanation:

The reading of the voltmeter at the instant the switch returns to position a

L = 5H

i ( current through inductor ) = 1/L ∫ V(t) d(t) + Vo

= 1/5 ∫ 3*10^-3 d(t) + 0 = 0.6 * 10^-3 t

iL ( 1.6 s ) = 0.6 * 10^-3 * 1.6 = 0.96 mA

Rm ( resistance ) = 21 * 1000 = 21 kΩ

The reading of the voltmeter ( V )

V = IR

= 0.96 mA * 21 k Ω = 20.16 v

3 0

2 years ago

At room temperature, good conductors of heat usually feel cool to the touch. This is because they conduct heat so quickly that w

sp2606 [1]

C. copper

Explanation:

Copper is the best conductor of heat from the given options. Plastic, wood and cotton are all poor conductors other wise known as insulators.

Metals are typically good conductors of heat.

they generally do not have a high specific heat capacity which implies that they get heated easily.
a good conductor allows heat to flow fast and it simultaneously loses heat readily too.
copper is a good conductor, when heat its perfectly allows heat to pass through
when heat is removed, it loses it very fast.

Learn more:

Conductors brainly.com/question/2500879

#learnwithbrainly

4 0

3 years ago

A 12.6-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an approximation, assume a radial dis

Zinaida [17]

Answer:

a)27.3N

b)150.78N

Explanation:

Having in mind the conservation of energy, as the monkey goes up (gaining potential gravitational energy) the kinetic energy must be reduced, so reducing the velocity of the monkey. So the maximum velocity will be at this lower point with a velocity of 1.36m/s

From this velocity and the radius we can calculate the angular velocity for the monkey center of mass:

$w=\frac{1.36m/s}{0.853m} =1.594 /s$

with this we can calculate the centripetal force magnitude:

$F=m*w^{2} *r=12.6kg*(1.594/s)^{2} *0.853m=27.3N$

On the mokey center of mass we have two opposite forces acting, the tension of the arm and the weight, in order for the monkey to continue swinging the resolt of this two forces must be equal to the centripetal force:

$T-P=F=>T=F+P$

$T=27.3N+12.6kg*9.8m/s^{2}=150.78N$

8 0

3 years ago

A person suffering from anaemia gets tired​

A person suffering from anaemia gets tired