The answer is:
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Answer:
The magnitude of car A acceleration is 4 times that of car E
Explanation:
Assuming they are traveling at a constant speed. Their (centripetal) acceleration is as the following

where v is the (linear) velocity and r is the radius. We can use this to calculate their ratio

Since
and 

So the magnitude of car A acceleration is 4 times that of car E
Answer:
sound is a type of wave that moves through matter than vibrates our eardrums so we can hear.
Explanation:
Answer:
It follows that the magnitude in radians of one complete revolution (360 degrees) is the length of the entire circumference divided by the radius, or 2πr / r, or 2π. Thus 2π radians is equal to 360 degrees, meaning that one radian is equal to 180/π ≈ 57.295779513082320876 degrees.
Explanation:
Answer:
Output power of the charger is 9.85 watts.
Explanation:
It is given that,
Output current of the USB charger, I = 1.97 A
The standard USB output voltage, V = 5 V
We need to find the output power of the charger. It can be determined using the following formula as :
P = V × I

P = 9.85 watts
The output power of the charger is 9.85 watts. Hence, this is the required solution.