Answer:
Explanation:
The motion of the bullet is a uniformly accelerated motion, therefore we can find its acceleration by using the following suvat equation:
where
v is the final velocity
u is the initial velocity
a is the acceleration
s is the distance covered
For the bullet in this problem:
u = 350 m/s is the initial velocity of the bullet
v = 0 is the final velocity (the bullet comes to a stop)
s = 0.125 m is the stopping distance of the bullet
Therefore, by solving the equation for a, we find its acceleration:
And the negative sign tells that the direction of the acceleration is opposite to that of the velocity.
Answer:
Energy of a photon is
Explanation:
Given:
Frequency of the photon is, .
Energy of a photon of frequency is given as:
, where, is called Planck's constant.
So, energy of a photon is:
Therefore, the energy of a photon whose frequency is Hz is .
Ocean Currents is the factor that determines the air temperature in coastal regions having same latitude.
<u>Explanation:</u>
There are factors that use to determine air temperature. They are latitude, altitude, region, water current, etc and it is based on the combination of water, air, and land.
If two coastal regions situated in the same latitude means they are not in the same region. Another city can be in the same latitude but in longitude. All the coastal regions don't have the same air temperature.
The air temperature in coastal regions can measured by the Ocean Current. A hypothesis of using cold water and warm water use to determine the air temperature.
Answer:
e is the answer
Force F=5.119*10^-4N
Explanation:
Given that
Current in wire a Ia=12A
Current in wire b (lb)=14A
Length of wire is L=6.4m
Distance apart (r)=42cm=0.42m
Also note that U°=4π*10^-7
We are to calculate for the force
F=(U°IaIbL/2πr)
F=4π*10^-7*12*14*6.4/2π*0.42)
F=5.119*10^-4N
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