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ivanzaharov [21]
3 years ago
10

Please help on this one?

Physics
1 answer:
scoray [572]3 years ago
8 0

option B open system

because in open system energy and mass can escape from the system or can be added to it.

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ASAP if you answer right I will mark brainiest....
rjkz [21]

Answer: *The inner planet that has two moons is Mars * the only planet in the Solar System with clockwise rotation is Venus * The surface of Mercury is covered with ancient magma ( which is similar to the spews of volcanoes on  Earth as well) * The planet that is closest to Earth is Mercury * Venus has more volcanoes than any other planet * Earth's moon formed when a(n)  can sometimes be called the Big Splash or can be called the Theia impact (Luna the moon formed from the ejecta of the collision between the Proto- Earth and Mars sized planet) * Mars is called the red planet because it's soil contains the element iron oxide ( which is the compound that gives blood and rust hue)  

Explanation: Hope this helped :)

8 0
3 years ago
A driver's foot presses with a steady force of 20N on a pedal in a car as shown.
azamat

Answer:

160N

Explanation:

Moments must be conserved - so.

20 * 0.4 = F * 0.05

F=\frac{20*0.4}{0.05} = 160

6 0
4 years ago
Sort the processes based on the type of energy transfer they involve.
alina1380 [7]
Types of energy transfer involve
Conduction, Convection, Evaporation,and Condensation  <span />
7 0
4 years ago
Is NaCH an element? Why or why not?
amm1812
<span>NaCH is not an element, it is a compound. An element can be found and identified on the periodic table to elements. A compound is a combination of two of more elements. NaCH is composed of three elements: Na (sodium), C (carbon) and H (hydrogen), making it a compound.</span>
3 0
3 years ago
How strong is the electric field between the plates of a 0.86 µf air-gap capacitor if they are 2.0 mm apart and each has a char
Gala2k [10]
The electric field between the plates is equal to the potential difference across the plates divided by the separation of the plates.
The potential difference across the plates is equal to the charge stored divided by the capacitance.
7 0
3 years ago
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