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Lostsunrise [7]
3 years ago
13

An eagle has a forward force due to its wings of 6 N. The drag force of the air is 4 N backwards, and its lift force and force o

f gravity are 20 N upwards and downwards, respectively. What is the net force on the bird? A. 30 N B. 1 N forwards C. 2 N forwards D. 2 N backwards
Physics
1 answer:
LuckyWell [14K]3 years ago
7 0

Answer:

C. 2 N forwards

Explanation:

Net Force in y direction = 0 since the lift force and gravity cancel out. Net force in x direction = 6 N forward - 4 N backwards = 2 N forwards.

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When Missourians carve their initials into the bark of a tree, the damage leaves the tree open to ____________________.
sasho [114]

Answer:

In fact, carving letters into a tree probably won't hurt it. ... In general, the tree will compartmentalize the wound and it will heal over. The initials that remain visible are essentially scar tissue, permanent scar tissue.

Explanation:

Unfortunately, when carving into the trunk of a tree the blade of a knife often penetrates the outer bark and cuts into the inner bark. ... In cases that the phloem is damaged all the way around the trunk (in a ring for example), the tree will slowly and eventually starve to death.

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5 0
2 years ago
A rocket powered sled accelerates a jet pilot in training straight forward from rest to 270 km/h in 12.1 seconds. Find:
Ilia_Sergeevich [38]

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Explanation:

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2 years ago
The radius of the planent venus is nearly the same as that of the earth,but its mass is only eighty percent that of the earth. I
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7 0
3 years ago
Read 2 more answers
When unequal resistors are connected in series across an ideal battery,the same power is dissipated in each one.the potential di
Agata [3.3K]

Answer:

the current flowing in each is the same.

Explanation:

When resistors are connected in series, they are connected in the same branch of the circuit - this means that the same current flows through each resistor.

The other options listed are wrong because:

the same power is dissipated in each one --> false: the power dissipated in each resistor is P=I^2 R, where I is the current and R the resistance, so it depends on the value of the resistance

the potential difference across each is the same.-- > false: this is true in parallel circuits, not series circuits

the equivalent resistance of the circuit is less than that of the smallest resistor.--> false: the equivalent resistance of a series circuit is the sum of the individual resistances: R = R_1 + R_2 + ..., so it is larger than the resistance of the smallest resistance

the equivalent resistance of the circuit is equal to the average of all the resistances. --> false: the equivalent resistance of a series circuit is the sum of the individual resistances: R = R_1 + R_2 + ..., not the average

7 0
3 years ago
24. Which wave below has the highest amplitude? Why?
GuDViN [60]
4 because it’s is the highest one hope it helps
6 0
2 years ago
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