Which one of the following choices best represents an advantage of cardiorespiratory fitness?A. Decrease in oxygen intake
B. Decrease in bone mass
C. Decrease in fat stores
D. Decrease in muscle mass

Answers

Answer 1

Answer: Cardiorespiratory fitness refers to the ability of your hearts and lungs to respond to exerrcise. A big advantage of cardiorespiratory fitness is a decrease in body fat stores. People wth high cardiorespiratory fitness will also be able to carry out aerobic exercise for longer, before getting out-of-breath.

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a pelican flies at a speed of 52 km/h for 0.25 hours . how many miles does the pelican travel ? the conversion factor is 1.6 km/h = 1.0 mph

Answers

The pelican traveled 487.5 miles.

First I divided 52 by 1.6, i got 32.5, then found out how many minutes in 0.25 hour, which is 15 minute. Finally I times 32.5 and 15 together to get my finally answer.

What is water made up of?

Answers

Pure water is made up of a huge number of water molecules.

Each water molecule is made of two Hydrogen atoms and one
Oxygen atom, locked together by the electrons they share.

2 Hydrogen and 1 Oxygen otherwise known as H2O, if that's what your looking for

If you apply 100.0 N of force to lift an object with a single, fixed pulley, then what is the resistive force?

Answers

If you apply 100.0 N of force to lift an object with a single, fixed pulley, then the resistive force is also equivalent to 100 Newtons of force. Since the weight of the object was not mentioned, it is assumed that it has already been taken into account in the 100 N value of force. This follows Newton's law of motion of equal action and reaction.

If a radio and a bulb each of resistance 3 ohm are connected in series to a 12 volts battery, the potential difference across each will be;a) 3V

b) 6V

c) 12V

d) 9V

Can u please solve and then explain answer

Answers

Answer:

$\rm{Option \:B) \: 6V}$

Explanation:

Given resistance of the radio is 3Ω and the resistance of the bulb is 3Ω. The total resistance in the circuit is

$R_1 + R_2 = 6 Ω</p><p>$

NowapplyOhm'sLaw,

$V \:=\: IR$

The voltage of the battery is V = 12V. And we have the total resistance of the circuit. Substituting the values to find current:

$I = 12 V / 6 Ω = 2A$

The potential difference across the radio or the bulb (using V = IR) is:

$V = 3 * 2 = 6V$

~The answer is option(b) 6 volts.

Calculate the resistance of a lamp that draw 0.75 A current when connected to 4.5 V.

Answers

Calculate the resistance using the equation:

V=IR

In the question, the following values are given:

V = 4.5
I = 0.75

Substitute the values into the equation to find R, the resistance:

V = IR

4.5 = 0.75R

R = 4.5 / 0.75

R = 6 ohms

Personification means to give human characteristics to animals, ideas, and objects. a. True
b. False