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Leni [432]
4 years ago
14

1.When you give one set of washers a downward push, does it move as easily as the other set? Does it stop before it reaches the

floor? How do you explain this behavior?
Physics
1 answer:
Vlad1618 [11]4 years ago
5 0

Answer:No, it doesn't move easily downward because it will try to resist the movement ,due to a resistance force of inertia that it possess at rest.

Explanation:when an object has higher or larger mass it tends to resist any motion given to it unlike the one with lower mass.

The larger the mass the more resistance force an object has.

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I Need Assistance With This Equation:
nikklg [1K]

Check the picture below.


now, for 6 triangles, well, simply 6*6.

8 0
4 years ago
What are the two <br>factors in which weight of object depends?​
insens350 [35]

Answer:

An object's weight depends on its mass (the amount of matter it consists of) and the strength of the gravitational pull.

5 0
3 years ago
Read 2 more answers
A sample contains radioactive atoms of two types, A and B. Initially there are five times as many A atoms as there are B atoms.
victus00 [196]

Answer:

Explanation:

Initially no of atoms of A = N₀(A)

Initially no of atoms of B = N₀(B)

5 X N₀(A)  = N₀(B)

N = N₀ e^{-\lambda t}

N is no of atoms after time t , λ is decay constant and t is time .

For A

N(A) = N(A)₀ e^{-\lambda_1 t}

For B

N(B) = N(B)₀ e^{-\lambda_2 t}

N(A) = N(B) , for t = 2 h

N(A)₀ e^{-\lambda_1 t} = N(B)₀ e^{-\lambda_2 t}

N(A)₀ e^{-\lambda_1 t} = 5 x N₀(A)  e^{-\lambda_2 t}

e^{-\lambda_1 t} = 5  e^{-\lambda_2 t}

e^{\lambda_2 t} = 5  e^{\lambda_1 t}

half life = .693 / λ

For A

.77 =  .693 / λ₁

λ₁ = .9 h⁻¹

e^{\lambda_2 t} = 5  e^{\lambda_1 t}

Putting t = 2 h , λ₁ = .9 h⁻¹

e^{\lambda_2\times  2} = 5  e^{.9\times  2}

e^{\lambda_2\times  2} = 30.25

2 x λ₂ = 3.41

λ₂ = 1.7047

Half life of B = .693 / 1.7047

= .4065 hours .

= .41 hours .

6 0
3 years ago
A furniture shop refinishes chairs. Employees use one of two methods to refinish each chair. Method I takes 0.5 hours and the ma
satela [25.4K]

Answer:

method I = 88 chairs

method II = 62 chairs

Explanation:

This problem can be modeled by a system of two linear equations.

Define x as the number of chairs refinished by method I and y by method II

The sum of hours spent on both methods should equal 199 and the sum of total material cost should equal $1226, therefore:

0.5x + 2.5y = 199

9x+7y = 1226

Multiplying the first equation by -18 and adding it to the second equation we can solve for the value of y:

9x+7y +(-9x - 45)= 1226+(-3582)\\y=\frac{2356}{38} = 62\\

We can now apply the value of y found to the first equation and solve for x:

0.5x+2.5*62 = 199\\x=\frac{199 - (2.5*62)}{0.5} = 88

Therefore, they should refinish 88 chairs with method I and 62 chairs with method II

4 0
3 years ago
Repulsion is the sure way to test magnetism.Why?​
jeyben [28]

Answer:

Repulsion is the sure test for magnetism because it occurs only when two like poles of a magnet exist while the attraction phenomenon can occur between two unlike poles of a magnet and also between a magnet and a magnetic material means if there are two magnets they will attract each other and suppose if one material

8 0
3 years ago
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