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jok3333 [9.3K]
3 years ago
14

Nutrition is a common topic in the media, whether it’s a new diet plan or a new “superfood” on the market to benefit our health.

Some of these products are scientifically sound, while others aren’t. How do we tell the difference?
Physics
2 answers:
melamori03 [73]3 years ago
7 0

Answer:

To find out whether a product is scientifically sound, check the FDA standards for the product. Another option is to ask a medical expert, such as a doctor or a nutrition scientist, whether the product is scientifically sound.

Explanation:

I did that same question.

skad [1K]3 years ago
3 0

Answer: Plato

Explanation: To find out whether a product is scientifically sound, check the FDA standards for the product. Another option is to ask a medical expert, such as a doctor or a nutrition scientist, whether the product is scientifically sound.

hope this helps

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If a force F is exerted on a charged particle when the particle enters a magnetic field B at a velocity v, which of the followin
mixer [17]

Answer:

The correct option is 'c': The Force vector (F) and the magnetic field vector (B) are always perpendicular.

Explanation:

The magnetic force that acts on a charged particle moving in a magnetic field is given by

\overrightarrow{F}=q\overrightarrow{v}\times \overrightarrow{B}

As we can see that vector cross product is involved hence we conclude that Force vector (F) is always perpendicular to both the velocity vector (v) and the magnetic field vector (B) which may be at any angle with respect to each other.

Hence we conclude that vectors F and B are always perpendicular.

4 0
3 years ago
A solution with a pH of 2.0 is
olya-2409 [2.1K]

a solution with a pH of 2.0 is strongly acidic

4 0
4 years ago
2 Points
goldfiish [28.3K]

Answer:

I believe it's called rolling friction

8 0
3 years ago
Read 2 more answers
Un libro del peso di 12 N è in equilibrio su un tavolo. Sapendo che il coefficiente di attrito statico vale 0,5, la forza di att
Tanzania [10]

Answer:

60

Explanation:

Translation -

A book weighing 12 N is balanced on a table. Knowing that the static friction coefficient is 0.5, how much is the friction force worth?

Friction force is

f = u * n

f = 0.5 * 12N

f = 60

4 0
4 years ago
A ski lift has a one-way length of 1 km and a vertical rise of 200 m. The chairs are spaced 20 m apart, and each chair can seat
rusak2 [61]

Power is needed for (1) acceleration and (2) lifting the loaded chairs. These two parts can be calculated separately and then added together.

(1) Power for acceleration:

The final speed of the lift is

V=(10 km/h)(1 h×1000 m60 sec×1 km)=2.887 m/s.

Then the power needed is

Pa=12m(V2−V20)/Δt=12(50×250 kg)(2.778 m/s)2=9.6 kW.

(2) Power for lift

Assume that the acceleration is constant (i.e. power supply is constant), its value will be

a=ΔVΔt=2.778 m/s5 s=0.556 m/s2.

Then the vertical lift during acceleration will be

(12at2)×(2001000)=1.36 m.

Hence, the power needed to increase the potential energy of the lift is

Pg=mgΔhΔt=(50×250 kg) (9.89 m/s2)(1.36 m)/(5 s)=3.41 kW.

Then the total Power required is

Ptotal=Pa+Pg=9.6+34.1=43.7 kW.

Learn more about potential energy at

brainly.com/question/14427111

#SPJ4

4 0
2 years ago
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