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WINSTONCH [101]
2 years ago
13

6. Most organizations have not banned the use of performing enhancing drugs.

Physics
1 answer:
Setler79 [48]2 years ago
4 0
The answer is false
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The law of conservation of mass applies to all chemical reactions.
serious [3.7K]
True. No matter can be created nor destroyed in pretty much every aspect of life, especially chemical reactions.
3 0
3 years ago
I need a short written description of Newton's three laws.
Tom [10]
Newton’s first law of motion, also called the law on inertia, states that an object continues in its state of rest or of uniform motion unless compelled to change that state by an external force.Newton’s second law of motion states that if a net force acts on an object, it will cause an acceleration of that object.Newton’s third law of motion<span> states that for every action there is an equal and opposite reaction. hope this wasnt two long!</span> 
6 0
3 years ago
A solid cube of side 5cm has a mass of 250g. What is its density in kgm ??​
Mariulka [41]

Answer:

5kgm

Explanation:

convert cm to m and g to kg

250/1000=0.25kg

5/1000=0.05m

then find the density

density=mass/volume

=0.25kg/0.05m

=5kgm

7 0
2 years ago
Which mineral is commonly pinkish and has light-colored, wavy lines? A) quartz B) potassium feldspar C) pyroxene D) amphibole D)
Nina [5.8K]

Answer:

option B

Explanation:

The correct answer is option B

the mineral which is pinkish and light in color with wavy lines is potassium feldspar .                                                      

pyroxene is a mineral is typically dark in color generally it's color is  dark green.                                                                  

amphibole is also dark in color an is in green color.

olivine is a mineral which is in olive green color.

Quartz is a mineral which is light colored and it is also pink in color but it does not have wavy line.

4 0
3 years ago
A train started from rest and moved with constant acceleration. At one time it was traveling 27 m/s, and 150 m farther on it was
AlekseyPX

Explanation:

(a) Given:

Δx = 150 m

v₀ = 27 m/s

v = 54 m/s

Find: a

v² = v₀² + 2aΔx

(54 m/s)² = (27 m/s)² + 2a (150 m)

a = 7.29 m/s²

(b) Given:

Δx = 150 m

v₀ = 0 m/s

a = 7.29 m/s²

Find: t

Δx = v₀ t + ½ at²

150 m = (0 m/s) t + ½ (7.29 m/s²) t²

t = 6.42 s

(c) Given:

v₀ = 0 m/s

v = 27 m/s

a = 7.29 m/s²

Find: t

v = at + v₀

27 m/s = (7.29 m/s²) t + 0 m/s

t = 3.70 s

(d) Given:

v₀ = 0 m/s

v = 27 m/s

a = 7.29 m/s²

Find: Δx

v² = v₀² + 2aΔx

(27 m/s)² = (0 m/s)² + 2 (7.29 m/s²) Δx

Δx = 50 m

7 0
2 years ago
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