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vampirchik [111]
3 years ago
5

A distinct layer within a soil profile is called a/an

Physics
1 answer:
posledela3 years ago
8 0
A distinct layer within a soil profile is called a soil horizon. 
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When being unloaded from a moving truck, a 16.0- kilogram suitcase is placed on a flat ramp inclined at 40.0 o. When released fr
9966 [12]

Answer:

0.65812

Explanation:

m = Mass of suitcase = 16 kg

\theta = Incline angle = 40°

g = Acceleration due to gravity = 9.81 m/s²

a = Acceleration of the block = 1.36 m/s²

f = Frictional force

The normal force is given by

N=mgcos\theta

In x direction

mgsin\theta-f=ma\\\Rightarrow f=mgsin\theta-ma\\\Rightarrow f=16\times 9.81\times sin40-16\times 1.36\\\Rightarrow f=79.13194\ N

Frictional force is given by

f=\mu N=\mu mgcos\theta\\\Rightarrow \mu=\dfrac{f}{mgcos\theta}\\\Rightarrow \mu=\dfrac{79.13194}{16\times 9.81\times cos40}\\\Rightarrow \mu=0.65812

The coefficient of kinetic friction between the suitcase and the ramp is 0.65812

8 0
3 years ago
PLEASE ANSWER AS QUICK AS POSSIBLE ANSWER WORTH 20 POINTS
Slav-nsk [51]

Answer:

The density of balsa wood is about 170 kg/m^3.

Explanation:

happy to help :)

5 0
4 years ago
In a crossing situation, which vessel is required to maintain its course and speed?
makvit [3.9K]

Both in the domestic and international guidelines tell that when two power-driven vessels are crossing so as to contain risk of collision, the vessel which has the other on her starboard side (the give-way vessel) must keep out of the way.

If you are the give-way vessel, it is your responsibility to avoid a collision. Normally, this means you must change speed or direction to cross behind the other vessel which is the stand-on vessel.

At evening, when you perceive a red light crossing right-to-left in front of you, you need to change your course. But if you perceive a green light crossing from left-to-right, you are the stand-on vessel, and should maintain course and speed.

The leading situations of collision risk are meeting head-on, overtaking, and crossing. When one of two vessels is to keep out of the way (give-way vessel), the other, the stand-on vessel, must uphold course and speed.

3 0
3 years ago
A compass can be used to determine the presence of charge flow in a circuit.
Sveta_85 [38]

Answer:

False

Explanation:

A compass can be used to determine relative direction but not absolute direction.

6 0
3 years ago
How do we know the age of the Sun?
Korolek [52]
By knowing the solar. And the sun disk.
8 0
3 years ago
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