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ValentinkaMS [17]
3 years ago
6

To improve your cardiovascular fitness:

Physics
2 answers:
RoseWind [281]3 years ago
4 0
C.Perform push ups and curl-ups daily
matrenka [14]3 years ago
4 0

Answer:

A. Include a minimum of 20-30 minutes of aerobic activity 3-4 times per week

Explanation:

Your cardiovascular fitness, also called cardiovascular fitness, says a lot about your health and how much other conditions can affect it. Basically, cardiovascular fitness measures how well your body absorbs oxygen and distributes it to your muscles and organs during prolonged periods of exercise. The best way to improve your cardiovascular fitness is through exercise that forces and stimulates the heart to work harder. Aerobic exercise is the best alternative for this.

For this reason, we can say that the best answer to your question is the letter A.

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What is the power output of a pump which can raise 60kg of water height to height of 10m every minute
sattari [20]

Answer:

<h3>Power = Work Done/time</h3>

=> Power = 60×10×10/60

=> Power = 6000/60

=> Power = 100 Watt

Hence the power output of a pump is 100 Watts.

8 0
2 years ago
Which of the following has the greatest kinetic energy? A. a mass of 4m at velocity v. B. a mass of 3m at velocity 2v. C. a mass
Artist 52 [7]

Answer:

Option C

Explanation:

Kinetic energy is the energy that the body possesses by virtue of its motion.

The formula for Kinetic energy is given by \frac{1}{2} mv^2

Using this formula let us find kinetic energy for the bodies given and find out which is the greatest

A) KE = \frac{1}{2} (4m)(v^2) = 2mv^2

B) KE =\frac{1}{2} (3m)(2v)^2 = 6mv^2

C) KE = \frac{1}{2} (2m)(3v)^2 = 9mv^2

D) KE = \frac{1}{2} (3)(4v)^2 = 8mv^2

Comparing these we find that 9mv^2 is the highest.

Hence option C is the answer.

4 0
3 years ago
In order to be neutral, an atom has to contain equal numbers of _______
Vedmedyk [2.9K]

In order to be electrically neutral, an atom has to contain
equal numbers of protons (with their positive charges) and
electrons (with their negative charges).

8 0
3 years ago
Read 2 more answers
What three quantities does Newton’s 2nd law relate?
Yuki888 [10]

Answer:

force, mass, and acceleration

Explanation:

According to Newton's 2nd law, the acceleration of an object depends on the net force and the mass of the object. The equation for the 2nd law is Force = mass * acceleration.

7 0
3 years ago
Why do bridges become covered with ice before roads do?
aliina [53]
Because the bridges are higher than the roads. :)
7 0
3 years ago
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