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madam [21]
3 years ago
11

What energy transformation takes place in the solar panel?

Physics
1 answer:
aliina [53]3 years ago
3 0
I think it’s the first option
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A satellite with a mass of 2,000 ㎏ is inserted into an orbit that is twice the Earth' s radius. W hat is the force of gravity on
dolphi86 [110]

Answer:

option (b) 4900 N

Explanation:

m = 2000 kg, R = 6380 km = 6380 x 10^3 m, Me = 5.98 x 10^24 kg, h = R

F = G Me x m / (R + h)^2

F = G Me x m / 2R^2

F = 6.67 x 10^-11 x 5.98 x 10^24 x 2000 / (2 x 6380 x 10^3)^2

F = 4900 N

4 0
3 years ago
Which metallloid has three valence electrons?
Naya [18.7K]
Boron Group
elements have three valence electrons and are fairly reactive. All of them are solids at room temperature. Boron is a very hard, black metalloid with a high melting point.
8 0
2 years ago
What is the molar mass of a gas if 1.30g of the gas has a volume of 245mL at STP? ...?
padilas [110]
First, we assume this as an ideal gas so we use the equation PV=nRT. Then, we use the conditions at STP that would be 1 atm and 273.15 K. We calculate as follows:

PV= nRT
PV= mRT/MM

1 atm (.245 L) =1.30(0.08206)(273.15) / MM
MM = 118.94 g/mol <--- ANSWER
5 0
2 years ago
Explain how the loss of a plant, or producer, in an ecosystem can affect a secondary consumer
vova2212 [387]
When plants die they become food for the decomposer for example Lettuce, If all the Lettuce in someones field died the decomposer would get its nutriets and make the soil stronger, so if you plant more Lettuce and it survives the Consumer would get to eat the lettuce. Hope this helped! :)
3 0
3 years ago
Read 2 more answers
25 POINTS PLS ANSWER
Olegator [25]

Answer:

A

Explanation:

a statement that can be used to predict the motions of two objects only under special conditions

4 0
3 years ago
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