2 years ago

Quarks

Physics

1 answer:

Basile [38]2 years ago

4 0

C. T,B,U,D,C, and S. D is a tempting answer but it's actually the gluons that transmit the strong force.

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The figure shows two springs (k1 = 10 N/m and k2 = 20 N/m ) attached to a block that can slide on a frictionless surface. In the

Rainbow [258]

Answer:

Explanation:

a )

Energy stored by left spring when compressed = 1/2 k x²

= .5 x 10 x .02² = .002 J .

Let compression in right spring = y

energy stored to right spring = 1/2 k y²

1/2 k y² = 0.002

.5 x 20 x y² = 0.002

y = .01414 m

= 1.4 cm

7 0

2 years ago

How much force is needed to stop a 90-kg soccer player if he decelerates at 15 m/s^2?

svet-max [94.6K]

We have: F = m×a
Here, m = 90 Kg
a = 15 m/s²

Substitute their values into the expression:
F = 90 × 15
F = 1350 N

In short, Your Answer would be Option D

Hope this helps!

8 0

3 years ago

It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed o

Dominik [7]

Answer:

Explanation:

Check attachment for solution

3 0

3 years ago

Which travels fastest through empty space? A. electromechanical waves B. transverse waves C. longitudinal waves D. electromagnet

Nady [450]

The answer is B hope it helps:)

7 0

3 years ago

What mass of NH3 can be made from 35.0 grams of N2

Allushta [10]

42.5g

Explanation:

Given parameters:

Mass of N₂= 35g

Unknown:

Mass of NH₃ = ?

Solution:

Equation of the reaction:

N₂ + 3H₂ → 2NH₃

To solve this problem, we work from the known species to the unknown. The known here is the reacting mass of the N₂. From this we can find the number of moles of the N₂.

Number of moles of N₂ = $\frac{mass}{molar mass}$

molar mass of N₂ = 28g/mol

Number of moles = $\frac{35}{28}$ = 1.25moles

From the equation of the reaction:

1 mole of N₂ produced 2 moles of NH₃

1.25 moles of N₂ will produce 2 x 1.25 = 2.5moles of NH₃

Mass of NH₃ = Number of moles of NH₃ x molar mass of NH₃

= 2.5 x (14 + 3)

= 42.5g

Learn more:

number of moles brainly.com/question/1841136

#learnwithBrainly

4 0

3 years ago