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4 years ago

When is orange is the new black episodes come out

Physics

1 answer:

xenn [34]4 years ago

3 0

Some are out but will be on Netflix June 17

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A 400 kg satellite is in a circular orbit at an altitude of 500 km above the Earth's surface. Because of air friction, the satel

scoundrel [369]

Answer:

E = 1.45 x 10⁹ J = 1.45 GJ

Explanation:

According to the law of conservation of energy:

Potential Energy Lost by Satellite = Kinetic Energy + Internal Energy

$mgh = \frac{1}{2} mv^2 + E\\\\E = mgh - \frac{1}{2} mv^2$

where,

E = Internal Energy = ?

m = mass = 400 kg

g = acceleration due to gravity = 9.81 m/s²

h = height = 500 km = 500000 m

v = speed on ground = 1.6 km/s = 1600 m/s

Therefore,

$E = (400\ kg)(9.81\ m/s^2)(500000\ m)-\frac{1}{2} (400\ kg)(1600\ m/s)^2\\E = 1.962\ x\ 10^9\ J - 0.512\ x\ 10^9\ J$

8 0

3 years ago

Spring 1 and Spring 2 are the same type of spring. Both springs were pushed or compressed into different positions and clamped i

frozen [14]

Answer:

spring 1 has less potential energy

Explanation:

since spring 2 is clampped down further it will have a greater effect but since sping 1 is barely clamped down it wont show as much energy

8 0

3 years ago

. _________________________________ is energy stored due to the relative positions of charged particles or electric fields. Ques

tigry1 [53]

ELECTRICAL ENERGY

Explanation:

Electrical Energy is stored in charged particles due to the variations in positions of charged particles inside the atom particles. Electrical energy is the flow of charges inside atom which causes energy to flow.

It is also defined as electric potential which causes the charge to flow inside the atom or inside a closed path or in a closed circuit.

From the above said word here we conclude that electrical energy is stored in charges due to the changing positions of charged particles.

8 0

3 years ago

Two cars are moving in the same direction at the same speed of (72.0 kmh). What is

9966 [12]

Answer:0

Explanation: at same direction

72-72=0

3 0

3 years ago

Question 30

stellarik [79]

Answer: $0.69\°$

Explanation:

The angular diameter $\delta$ of a spherical object is given by the following formula:

$\delta=2 sin^{-1}(\frac{d}{2D})$

Where:

$d=16 m$ is the actual diameter

$D=1338 m$ is the distance to the spherical object

Hence:

$\delta=2 sin^{-1}(\frac{16 m}{2(1338 m)})$

$\delta=0.685\° \approx 0.69\°$ This is the angular diameter

3 0

3 years ago