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3 years ago

How is weight affected by gravity

2 answers:

7 0

The higher levels of gravity put on an object the more weight the object has. For example someone who weighs say 100 lbs would weigh more if higher amounts of gravity would be applied to them. And less if less gravity was applied. But larger objects will automatically have more gravity applied to them than something smaller due to the gravitational pull needing to pull harder to keep the object to the planet's surface. Hope this helps! :)

nalin [4]3 years ago

3 0

Weight is affected by gravity because it has a gravitational pool with brings down anything inside that force.

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Convert a density of 7.2 g/ml into the unit kg/L

aivan3 [116]

Unit conversion is a multi-step process, in which division or multiplication by a numeral factor is involved.

Density = $7.2 g/mL$ (given)

Since, $1 g = 0.001 kg$ and

$1 mL = 0.001 L$

Now, converting $7.2 g/mL$ to $kg/L$ :

$7.2 \frac{g}{mL}\times \frac{1 kg}{1000 g}\times \frac{1000 mL}{1 L}$

= $7.2 kg/L$ .

Hence, density is $7.2 kg/L$ .

6 0

3 years ago

The control rods are made of what materials

tiny-mole [99]

A rod of a neutron-absorbing substance used to vary the output power of a nuclear reactor.

8 0

3 years ago

Jayden says that the dentist can shine a special light on his teeth that will make his teeth become whiter. Can light change Jay

arsen [322]

Answer:

Explanation:

This is because light cannot not whiten Jayden's teeth but light can change materials by hearing it up. There are some substances or tooth paste that can be use to whiten the teeth because of the content they are made off which whitens the teeth. Some of it include baking soda, hydrogen peroxide toothpaste, tumeric toothpaste, toothpaste that contain fluoride.

5 0

3 years ago

Question 1(Multiple Choice Worth 3 points)

NNADVOKAT [17]

<h3><u>Answer;</u></h3>

= 3.064 g/L

<h3><u>Explanation;</u></h3>

Using the equation;

PV = nRT , where P is the pressure,. V is the volume, n is the number of moles and T is the temperature and R is the gas constant, 0.08206 L. atm. mol−1.

Number of moles is 1 since one mole has a mass equivalent to the molar mass.

Therefore; We can find the volume and thus get the density.

V = nRT/P

= (1 × 0.08206 × 498 )/ 0.939

= 43.52 L

But; density = mass/volume

Therefore;

Density = 133.34 / 43.52

= 3.064 g/L

7 0

3 years ago

When a gamma ray is emitted from the nucleus of an atom: it reduces the overall energy of the nucleus it increases the overall e

horrorfan [7]

When a gamma ray is emitted from the nucleus of an atom it reduces the overall energy of the nucleus. Emission of gamma rays almost happens along with beta and alpha emissions. After the two emissions, the nucleus of the atom would still be in an excited state. To achieve stability, gamma rays are emitted which will decrease the overall energy of the nucleus.

4 0

2 years ago