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Neporo4naja [7]
3 years ago
13

A diver jumps off a 60 m cliff with an initial horizontal velocity of 3m/s. Find

Physics
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

20s

Explanation:

S=vt

t = S/v

t= 60/3

t=20s

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You select a rental package that includes a car with an average consumption of 6.00 liters of fuel per 100 km. Considering that
konstantin123 [22]

7.21 USD.

<h3>Further explanation</h3>

<u>Problem:</u>

  • Given in Europe, the average fuel cost is 1.063 euros/liter.
  • A car with an average consumption of 6.00 liters of fuel per 100 km.

<u>Question: </u>

How much (in US dollars) will we spend properly on fuel on our trip? Express the answer numerically in US dollars to three significant figures.

Let us convert the unit price from the euro to USD. Currently, the exchange rate of 1 euro is 1.13 USD.

\boxed{ \ 1.063 \ euro \times \frac{1.13 \ USD}{1 \ euro} = 1.20119 \ USD \ }

The term euro is crossed out.

After currency conversion, the average fuel cost is 1.20119 USD/liter.

We need 6.00 liters of fuel during the trip.

\boxed{ \ 6.00 \ liters \times \frac{1.20119 \ USD}{1 \ liter} = 7.20714 \ USD \ }

The term liter is crossed out.

We rounded up to three significant figures. Hence, the cost that we will spend on fuel on our trip is as much  \boxed{\boxed{ \ 7.21 \ USD \ }}

<em>Want to follow another way? Let's see.</em>

\boxed{ \ 6.00 \ liters \times \frac{1.063 \ euros}{1 \ liter} = 6.378 \ euro \ }

The term liter is crossed out.

\boxed{ \ 6.378 \ euro \times \frac{1.13 \ USD}{1 \ euro} = 7.20714 \ USD \ }

The term euro is crossed out.

We get a similar result, i.e.,

\boxed{\boxed{ \ 7.21 \ USD \ }}

<h3>Learn more</h3>
  1. The unit conversion factor from cubic-centimeters to cubic-inches brainly.com/question/5009365
  2. How to write in scientific notation brainly.com/question/7263463
  3. Calculating mass based on density and volume brainly.com/question/4053884

Keywords: you select, a rental package, a car with average consumption, 6.00 liters of fuel per 100 km, in Europe, the cost is 1.063 euros/liter, how much, in US dollars, USD, spend, trip, express, numerically, three significant figures, conversion

7 0
4 years ago
Read 2 more answers
A baseball is struck home plate and acquires a speed of 60m/s. It rises to a height of 100.0 m above its starting level. Find it
Lady bird [3.3K]

Answer:

40 m/s.

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 60 m/s

Height (h) = 100 m

Acceleration due to gravity (g) = 10 m/s²

Final velocity (v) =?

The velocity at height 100 m can be obtained as follow:

v² = u² – 2gh (since the ball is going against gravity)

v² = 60² – (2 × 10 × 100)

v² = 3600 – 2000

v² = 1600

Take the square root of both side

v = √1600

v = 40 m/s

Thus, velocity at height 100 m is 40 m/s

7 0
3 years ago
For a certain ideal Carnot engine, the hot reservoir is 35°C higher than the cold reservoir. If this engine is to have an effici
lord [1]

Answer:

Temperature of the hot reservoir is 1540K

Explanation:

E= 1- \frac{T_{c}}[tex]{T_h}=308+{T_c}\\Efficiency of a carnot engine is given by the aboveTc=temperature of the cold reservoirTh= temperature of the hot reservoirK=273+ 35  (convert  35°C to kelvin)K=308k{T_h}={T_c}+308-----------------------(equation  1)20%=1-{T_c}/{T_h}

0.2=({T_c}+308-{T_c})/{T_c}+308

.2({T_c}+61.6=308

0.2{T_c}=246.4

{T_c}=1232

recall from equation 1

{T_h}=308+1232

{T_h}=1540K

5 0
3 years ago
A β− and a β+ particle meet and interact within a tissue. Discuss what would be the likely outcome of this interaction.
Arturiano [62]

When a β− and a β+ particle meet and interact they are annihilated.

Every matter has an antimatter. An antimatter of a particular particle is another particle that has exactly the same properties as the initial particle but carries an opposite charge.

If we look at β− and β+ particles, we will notice that they are matter and antimatter. The interaction of matter and antimatter leads to annihilation. The energy produced by annihilation of matter and antimatter is enough to destroy the tissue.

So, when β− and a β+ particle meet and interact they are annihilated.

Learn more: brainly.com/question/23266051

3 0
3 years ago
How safe is Wind Energy? Use in your own words.
Kisachek [45]

Answer:

wind energy is safe

Explanation:

because it just is

5 0
3 years ago
Read 2 more answers
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