Physics College

Which of these should be avoided in order to prevent heart diseases and disorders?
yoga and meditation
fruits and vegetables
drugs and alcohol
jogging and skating

Answers

Answer 1

Answer:

drugs and alcohol

Explanation:

All the others will help your body, while drugs and alcohol will only harm it .

Answer 2

Answer:

drugs and alcohol

Explanation:

because drugs and alchol isnt healty for your body and it causes diseases .

Related Questions

Ans: 10.0096 cm
What should be the initial lengths of steel and copper rods so that the length of steel rod is 5 cm
larger than the copper rod at all temperatures?
An iron sphere has a radius of 10 cm at a temperature of 0°C. Calculate the change in volume of the
Ans: 1.383 cm
sphere it is heated 100°. 9.3710-
Ans: 17 cm, 12 cm​

Answers

Answer:

dab is the answerjdjdjnejee

A student carries a backpack for one mile , another student carries the same back pack for two miles . Compared to the first student , how much work did the second student do ?

Answers

Answer:

he did twice as much since the first student carried the backpack for 1 mile whilst the second one carried it for 2 miles

Explanation:

Answer:

2miles-1mile

the second person carried the for one mile longer.

So as your sentence you would sat

Compared to the first person the second person carried the backpack one mile longer.

HELP!!!!!

Explain how the sea star reproduce and why the fisherman returned to more sea stars. (page 29 - 32) (book in case needed: california inspire science reproduction of organisms grade 6 integrated unit 2 student edition) (Two parts for full points - 10 points for how the sea star reproduces including what it is called and 10 points to explain why the fisherman found more stars.) <----- That is part of a question not the points i can give you,

Answers

Answer:

A sea star that has the ability to regenerate amputated limbs must first undergo a repair phase to heal the exposed wound. Once the wound is healed, the sea star can begin to generate new cells, which in turn, sparks new growth. Regeneration can take anywhere from several months to years. Reproduction: Sea stars are broadcast spawners. Males release sperm into the water and females release eggs. The fertilized eggs hatch into a larval form that lives as plankton, sometimes for months, before settling on the sea floor in its adult form..

3. Canopus is 313 light years from Earth. How old is the light that we are currently seeing?

Answers

Answer:

lícita; de navegar y comerciar; de peticionar a las autoridades; de entrar, permanecer, transitar y salir del territorio argentino; de publicar sus ideas por la prensa sin censura

A train travels 25km in 5 hrs. How fast is the train going?

Answers

Answer: 5km per hour

If the train is going 25km in 5 hours, you can figure out how many kilometers per hour it is traveling by dividing 25km by the 5 hours.

25/5 = 5km per hour

Explanation:

Answer:

its 60

Explanation:

it just is man

A5 kg frisbee is thrown from rest to a final speed of 12 m/s. What is the impulse of the frisbee?

Answers

Answer:

60kgm/s

Explanation:

Given parameters:

Mass of frisbee  = 5kg

Final speed  = 12m/s

Unknown:

Impulse of the frisbee  = ?

Solution:

The impulse of the frisbee is the same as the change in momentum.

It is given as:

 Impulse  = mass (Final velocity  -  Initial velocity)

 Impulse  = 5(12  - 0)  = 60kgm/s

11. A bowling ball has a mass of 7 kg and a velocity of 3 m/s.
(A) What is the ball's momentum?

Answers

Answer: 21 kg x m/s

Momentum can be found using the equation p = mv, or momentum = mass times velocity.

Therefore, to find the momentum of the bowling bowl, you can plug the mass and velocity values into the equation to get p = (7kg)(3m/s)

Solve the equation to get a momentum of 21kg x m/s

I hope I could help :)

Mercury is a liquid metal having a density of 13.6 g/mL. What is the
volume of 0.45 kg of mercury metal?

Answers

Answer:

[tex]\boxed {\boxed {\sf v \approx 33.088 \ mL}}[/tex]

Explanation:

The formula for density is:

[tex]d= \frac{m}{v}[/tex]

where m is the mass and v is the volume.

The mass is 0.45 kilograms and the density is 13.6 grams per milliliter. The density is given in grams, so we must convert the mass.

There are 1000 grams in 1 kilogram or [tex]\frac{1000 \ g} {1 \ kg}[/tex]. We can multiply the mass by this ratio.

[tex]0.45 \ kg * \frac{1000 \ g} {1 \ kg} = 0.45 * 1000 \ g = 450 \ g[/tex]

Now we have values for the mass and density:

[tex]13.6 \ g/mL =\frac{450 \ g}{ v}[/tex]

Cross multiply.

[tex]\frac {13.6 \ g/mL}{1} =\frac{450 \ g}{ v}[/tex]

[tex]13.6 \ g/mL * v=450 \ g * 1 \\13.6 \ g/mL * v=450 \ g[/tex]

We are trying to find the volume, so we must isolate that variable.

13.6 and v are being multiplied. The inverse of multiplication is division. Divide both sides by 13.6

[tex]\frac {13.6 \ g/mL*v } { 13.6 \ g/mL} = \frac{ 450 \ g} {13.6 \ g/mL}[/tex]

[tex]v= \frac{ 450 \ g} {13.6 \ g/mL}[/tex]

The grams will cancel.

[tex]v= 33.0882353 \ mL\\v \approx 33.088 \ mL[/tex]

The volume is about 33.088 milliliters.

A water rocket of mass 2.5 kg is launched vertically upwards from the surface of the Earth. It produces a steady thrust of 75 N. What is its acceleration?

Answers

Answer:

a = 30 [m/s²]

Explanation:

To solve this problem we must use Newton's second law, which tells us that the sum of forces on a body is equal to the product of mass by acceleration. In this way, we have the following equation.

∑F = m*a

where:

m = mass = 2.5 [kg]

a = acceleration [m/s²]

F = force = 75 [N]

Now replacing:

[tex]75=2.5*a\\a=75/2.5\\a=30[m/s^{2} ][/tex]

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