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3 years ago

Homeostasis refers to the ability of the body to maintain a stable internal environment despite changes in external conditions.

Physics

2 answers:

vesna_86 [32]3 years ago

5 0

True , do u need an explanation or something ¿ ‍

Aliun [14]3 years ago

4 0

Answer:

True

Explanation:

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How far will a bird have traveled in 13 seconds if it maintains a speed of 31 m/s

BARSIC [14]

Distance = Speed × time

Distance = 31m/s × 13 seconds = 403m

8 0

3 years ago

A doubly ionized molecule (i.e., a molecule lacking two electrons) moving in a magnetic field experiences a magnetic force of 5.

Kobotan [32]

Explanation:

The given data is as follows.

F = $5.75 \times 10^{-16} N$

q = $1.6 \times 10^{-19} C$

v = 385 m/s

$sin (63.9^{o})$ = 0.876

Now, we will calculate the magnitude of magnetic field as follows.

B = $\frac{F}{qv sin (\theta)}$

= $\frac{5.75 \times 10^{-16} N}{1.6 \times 10^{-19} C \times 385 m/s \times 0.876}$

= $0.01065 \times 10^{3}$ T

= 10.65 T

Thus, we can conclude that magnitude of the magnetic field is 10.65 T.

4 0

3 years ago

what is the relationship between high frequency and short wavelength? Low frequency and long wavelength?

larisa [96]

Answer:

The frequency of a wave is inversely proportional to its wavelength. That means that waves with a high frequency have a short wavelength, while waves with a low frequency have a longer wavelength.

5 0

3 years ago

A package is pushed across the floor a distance of 90 feet by exerting a force of 32 lbs downward at an angle of 24 ∘ with the h

Crazy boy [7]

Answer:

2632 foot-pound

Explanation:

Work done: Work is said to be done when ever a force moves a body through a given distance. The S.I unit of force is Newton (N).

From the question,

The expression for work done is given as,

W = Fdcos∅......................... Equation 1

Where W = work done, F = force, d = distance, ∅ = angle between the force and the horizontal.

Given: F = 32 lbs, d = 90 feet, ∅ = 24°

substitute into equation 1

W = 32×90×cos24

W = 2880(0.914)

W = 2632.32

W = 2632 foot-pound

4 0

3 years ago

Two children want to balance horizontally on a seesaw. The first child is sitting one meter to the left of the pivot point locat

Maurinko [17]

Answer:2 m right

Explanation:

Given

First child is sitting 1 m left from Pivot point

Mass of second child is half of first

Let mass of first child be m

Second child $\frac{m}{2}$

In order to balance see saw torque must be zero about pivot

$m\times 1=\frac{m}{2}\times x$

x=2 m right from pivot point

4 0

3 years ago