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Vika [28.1K]
3 years ago
13

Which situation is the best example of translational motion?.

Physics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

 a block sliding down a ramp,a leaf blowing across a field

You might be interested in
True or false: the most appropriate weights to use in the wacc are book value weights.
Veseljchak [2.6K]

This statement is false as the most appropriate weights to use in the wacc are market value weights.  

The weighted average cost of capital (WACC) is the amount that a company anticipates charging on average to all of the holders of its securities in order to fund its assets (WACC).

Each capital source's cost (debt and equity) is multiplied by the appropriate weight by market value when computing WACC, and the results are then added up to arrive at the final calculation.

It matters that the external market, not management, is in charge.

The WACC is the rate of return a company must get on its base of existing assets to appease its owners, creditors, and other financiers; otherwise, they will hunt for alternative investments.

Learn more about WACC here brainly.com/question/25566972

#SPJ4

8 0
2 years ago
Please help me
Helen [10]

Answer:

15 protons and 18 electrons

General Formulas and Concepts:

<u>Chemistry</u>

  • Reading a Periodic Table
  • Element Number
  • Neutral Atoms
  • Ions

Explanation:

We are given the element P. P is 15 on the Periodic Table, meaning it has 15 protons and 15 electrons (all elements are in neutral form).

P³⁻ ion means the element now has a negative charge of 3. We know protons have a positive charge and electrons have a negative charge. 3- means we will have more electrons than protons.

Therefore, P³⁻ would have 15 protons and <em>18</em> electrons:

15 (+) + 18 (-) = 3 (-)

7 0
3 years ago
Read 2 more answers
explain why a balloon in hot water expands but balloon in ice water shrinks be sure to include information regarding the (1) num
svetlana [45]

I think that the correct answer would be 2.

The molecules in the air are always creating pressure. Countless molecules collide into everything every second, creating a constant force. Before the air in the balloon is heated, the molecules inside are creating as much pressure as the molecules outside, meaning that the balloon stays at equilibrium and neither expands nor contracts. When they get heated, however, the inside molecules start moving with more force. They create more pressure, causing the balloon to expand outward until the pressure equalizes.

8 0
3 years ago
Identify each energy exchange as primarily heat or work and determine whether the sign of ΔE is positive or negative for the sys
geniusboy [140]

Answer:

(a)Work done and ΔE are negative

(b)Work done and ΔE are negative

(c)Work done and ΔE are positive

Explanation:

(a) When the two balls collide, the first billiard ball transfers its kinetic energy to the second ball which consequently starts rolling as the system ball comes to rest. Therefore, the decrease in internal energy takes places for both the system and energy transfer. Conclusively, Work done and ΔE are negative

(b) The drop of a book in this case system from a height transfers the potential energy to kinetic energy. Therefore, both the work is done by system on the floor and internal energy of the system decreases. In conclusion, Work done and ΔE are negative

(c)  A father pushing daughter on swing which is system implies that he applied some force therefore transferring energy from the source to system. This means the internal energy of the system increases and so both the work done and ΔE are positive

5 0
4 years ago
Calculate the equivalent resistance of the circuit below.
expeople1 [14]

Answer:

30Ω

Explanation:

To calculate the equivalent resistance in the circuit, do the following:

Step 1:

10Ω and 20Ω are in series connection. Therefore their equivalent is: 10 + 20 = 30Ω

Step 2:

The equivalent resistance (30Ω) obtained from the above is in parallel connection with 30Ω resistance shown in the diagram above.

Therefore their equivalent is given by:

1/30 + 1/30 = 2/30 = 1/15.

Now invert to obtain the equivalent

Therefore, the equivalent is 15Ω

Step 3:

Determination of the overall equivalent of the resistance of the circuit.

The new equivalent resistance 15Ω obtained above is in series connection with 15Ω resistance in the diagram above.

Therefore their equivalent is given by:

15Ω + 15Ω = 30Ω

Therefore, the equivalent resistance in the circuit is 30Ω

7 0
3 years ago
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