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Snezhnost [94]
2 years ago
6

A child has fallen while riding a bike. When should a bystander call 911 ?

Physics
2 answers:
statuscvo [17]2 years ago
5 0
C and D - bleeding is dangerous and could lead to infection while not wearing a helmet and falling could mean the kid may have got a concussion.
kari74 [83]2 years ago
4 0

Answer:

C Or D

Explanation:

The Child Should Get Checked On Before You Call The Police Thought,

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A 22 µF capacitor charged to 0.7 kV and a second 115 µF capacitor charged to 5.5 kV are connected to each other, with the positi
vesna_86 [32]

Answer:

0.099C

Explanation:

First, we need to get the common potential voltage using the formula

V=\frac {C_2V_2-C_1V_1}{C_1+C_2}

Where V is the common voltage, C and V represent capacitance and charge respectively. Subscripts 1 and 2 to represent the the first and second respectively. Substituting the above with the following given values then

C_1=22\times 10^{-6} F\\ C_2=115\times 10^{-6} F\\ V_1= 0.7\times 10^{3}\\V_2=5.5\times 10^{3}

Therefore

V=\frac {115\times 10^{-6}\times 5.5\times 10^{3}-22\times 10^{6}\times 0.7\times 10^{3}}{22\times 10^{-6}+115\times 10^{-6}}=4504.3795620437

Charge, Q is given by CV hence for the first capacitor charge will be Q_1=C_1V

Here, Q_1=22\times 10^{-6}\times 4504.3795620437=0.0990963503649C\approx 0.099C

8 0
3 years ago
A boat sails along the shore. To an observer, the boat appears to move at a speed of 22 m/s, and a man on the boat walking forwa
seropon [69]
The boat is moving at 22 m/s while the man is moving at 23.1 m/s.

That means the man, relative to the boat, is moving at 23.1-22 = 1.1 m/s.

v =d/t, so t = d/v --> t = 3/1.1 = 2.7 s
7 0
2 years ago
Which describes the changes in visible light moving from red to violet?
Alexxx [7]
The energy increases
5 0
2 years ago
Define the word logrolling in your own words?
Elan Coil [88]
A crazy sport thats kinda dangerous
3 0
2 years ago
Read 2 more answers
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garri49 [273]

Answer:

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Explanation:

referring to the tree to prove his/her point.

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