Answer:
not true because the mass from the heavy car will cause it to damage more
Explanation:
Answer:
f=15.5 Hz
Explanation:
Let's determine the internal resistance:
ρ = 1.68*10^-8 Ω m
Ω
Since the bulb is rated at 12.0 V and 25.0 W,
Current
Therefore, voltage drop inside generator =
Actual EMF required is
Note that this is an RMS value.
The peak voltage is
For a generator, by Faraday's Law,
*ω
ω
f=ω/(2π)=
f=144.5 rad/s/(2π)
f=23.001 Hz
Duracell batteries are an example of an electrochemical cell that is powered between the reaction of Magnesium and Zinc, occurring in basic conditions (alkaline battery). This type of reaction has a precise output of 1.5 volts, and looks like this:
Zn + 2MnO2 ➡️ ZnO + Mn2O3
It’s not rechargeable.
Golf Cart Batteries are an example of an electrochemical cell that is powered by the reaction between Lead and Sulfuric Acid (Lead-Acid battery). This type of reaction occurs on larger scales than an alkaline battery, and thus can generate a variety of powers depending on how many instruments are present within the battery. The reaction looks like this:
PbO2 + Pb + 2H2SO4 ➡️ 2PbSO4 + H2O
This is a rechargeable cell, but is rather prone to discharging by the environment and surroundings of the battery.
whats the example? That all yu should look it up on internet.
To solve this problem it is necessary to apply the concepts related to the described wavelength through frequency and speed. Mathematically it can be expressed as:
Where,
Wavelength
f = Frequency
v = Velocity
Our values are given as,
Speed of sound
Keep in mind that we do not use the travel speed of the ambulance because we are in front of it. In case it approached or moved away we should use the concepts related to the Doppler effect:
Replacing we have,
Therefore the frequency that you hear if you are standing in from of the ambulance is 0.1214m