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Vsevolod [243]
3 years ago
14

While drag racing out of the parking lot I timed myself at a speed of

Physics
1 answer:
VladimirAG [237]3 years ago
3 0

Answer:

maybe ill be tracer

Explanation:

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Papers scattered randomly across the desk represents high entropy and are a good example of which law?
lord [1]
<span>The second law of thermodynamics states that the entropy of any isolated system always increases.

So the paper tends to approach high entropy

Answer is C</span>
8 0
4 years ago
A steel cable with Cross Sectional Area 3.00cm² has an elastic limit of 2.40 x 10^8pascals. Find the maximum upward acceleration
bazaltina [42]

Answer:

Stress = F / A       force per unit area

A = 3.00 cm^2 = 3 E-4  m^2

F = 2.4E8 N/m^2 * 3E-4 m^2 = 7.2E4 N    max force applied

F/3 = 2.4E4 N  if force not to exceed limit   (= f)

f = M a

a = 2.4 E4 N / 1.2 E3 kg = 20 m / s^2      about 2 g

3 0
3 years ago
A 6500 kg satellite orbits a planet. If its distance to the center of the planet is 9e6 m and its speed is 6.7e3 m/s, what is th
Ira Lisetskai [31]

Answer:

the gravitational force between the satellite and the planet is 32.4  * 10³N

Explanation:

It is given that,

Mass of the satellite, m = 6500 kg

Speed of the satellite, v = 6.7 × 10³ m/s

distance to the center of the planet = 9  × 10⁶m

Let F is the magnitude of the gravitational force exerted on the satellite by the planet. The centripetal force is equal to the gravitational force. It is equal to :

F = \frac{mv^2}{R}

F = \frac{6500  \times (6.7 * 10^3)}{9 * 10^6}

= 32.4  * 10³N

the gravitational force between the satellite and the planet is 32.4  * 10³N

3 0
3 years ago
Read 2 more answers
The angle of elevation to the top of a very tall Building is found to be 6° from the ground at a distance of 1 mi from the base
DanielleElmas [232]

Answer:

555

Explanation:

The scenario is shown in the image attached below. A Right Angled Triangle is formed. We have an angle of 6 degrees, the side adjacent to angle which measures 1 mile and we need to find the side opposite to the angle.

Since 1 mile = 5280 feet, the side adjacent to the angle has a measure of 5280 feet.

Tangent ratio relates the opposite and adjacent side by following formula:

tan(\theta)=\frac{Opposite}{Adjacent}

Using the given values, we get:

tan(6)=\frac{x}{5280}\\\\ x=tan(6) \times 5280\\\\ x = 555

Thus, rounded to nearest foot, the height of the building is 555 feet

5 0
4 years ago
Which statement is true of a concave lens?
Inessa [10]

The list of choices you gave us doesn't have any true statements on it.

7 0
4 years ago
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