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Levart [38]
2 years ago
11

In every trench over 4 feet (1.2 m) deep, there must be an exit every​

Physics
1 answer:
ss7ja [257]2 years ago
5 0

Explanation:

25 ft I believe that this is the best answer

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Which part of the planet had the highest concentration of ozone in 1989?
Nat2105 [25]

Answer:

earth

sorry I need points but I don’t know the answer again I’m really sorry

4 0
2 years ago
If you are driving 128.4 km/h along a straight road and you look down for 3.0s, how far do you travel during this inattentive pe
ser-zykov [4K]

Answer:

107 m

Explanation:

Convert km/h to m/s:

128.4 km/h × (1000 m / km) × (1 h / 3600 s) = 35.67 m/s

Distance = rate × time

d = 35.67 m/s × 3.0 s

d = 107 m

8 0
3 years ago
1. A ball initially rolling at 10m/s comes to a stop in 25 seconds. Assuming the ball has
LiRa [457]

Answer:

B) 125 m

Explanation:

s =  \frac{u + v}{2} t \\ s \:  =  \frac{10 + 0}{2} (25) \\ s \:  = 125m

5 0
3 years ago
A resistor, capacitor, and switch are all connected in series to an ideal battery of constant terminal voltage. Initially, the s
erma4kov [3.2K]

Answer:

The voltage across the resistor is zero, and the voltage across the capacitor is equal to the terminal voltage of the battery.

Explanation:

This is because when a capacitor is charged no current or voltage flows through it so it will have a voltage equal to the terminal voltage of the battery

6 0
3 years ago
I NEED HELP PLEASE, THANKS! :)
brilliants [131]

Answer:

P = VI = (IR)I = I2R

Explanation:

What the equation means is that if you double the current you end up with 4 times the power loss. It's like the area of carpet you need for a room - if you make the room twice as long and twice as wide you need 4x as much carpet. The physical explanation is that the voltage difference along a wire depends on the current - more current flowing with a resistance means more voltage (pressure of electricity if you like) is built up.

This extra voltage means more power. So if you double the current your would double the power, but you also double the voltage which doubles the power again = 4x as much power. P = VI = (IR)I = I2R

I hope this helps you out, if I'm wrong, just tell me.

8 0
3 years ago
Read 2 more answers
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