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marin [14]
3 years ago
6

I. The substance in model A has the highest density.

Physics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

If you dont have the answer already its i and iii i believe

Explanation:

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Displacement vectors of 10 m west and 14 m west make a resultant vector that is _____.
Anastaziya [24]

For this case we can write each one of the vectors in the following way:

v1 = 10 i\\v2 = 14 i

This means that the x-axis is defined as positive towards the west.

Then, the resulting vector is:

v1 + v2 = 10i + 14i\\v1 + v2 = 24 i

Answer:

Displacement vectors of 10 m west and 14 m west make a resultant vector that is 24 m west

6 0
3 years ago
Read 2 more answers
An observer sitting on shore sees a canoe traveling 5.0 m/s east, and a sailboat traveling 15.0 m/s west. What is the velocity o
Dovator [93]

Answer:

Vs/c = 20 [m/s]

Explanation:

This is a problem of relative velocities, as velocity is a vector we can use addition or subtraction of vectors for the solution.

We are asked for the velocity of the sailboat with respect to an observer located in the canoe.

V_{s/c}=V_{sailboat}-V_{canoe}\\V_{s/c}=15-(-5)\\V_{s/c}=20[m/s]

Why is the speed of the canoe negative?, it is negative because the canoe moves in the opposite direction to the sailboat.

3 0
3 years ago
A car goes from point A to point B, five miles away and then returns to point A. The car is going 15 mph.
slavikrds [6]
B will be your answer hope this helped
8 0
3 years ago
If you shout at a cliff wall that is 440 m away and the air temperature is at 25 °C, how long will it take before you hear your
ira [324]
The speed of sound at T=25°C is Vs=346 m/s. So the sound has to reach the cliff and return back to you so the path it needs to travel is s=2*440 m = 880 m.
Since the speed of sound is constant s=Vs*t, and t= s/Vs=880/346=2.54335 s. You will hear the echo after t=2.54335 s after you shouted. 
7 0
3 years ago
What is the effect of pressure on the solubility of gases in liquids?
34kurt
The solubility of gases in liquids increases with the increase in pressure.
3 0
3 years ago
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