Answer:
10 kilograms
Explanation:
The formula for mass
mass (kg)= momentum ( p) divided by velocity (v)
therefore this translates to 50 divided by 5
which gives the final answer as <u>10kgs</u>
The angle of reflection made when the angle of incidence of light falling on a plane mirror is 30 degrees is 30 degrees (made with a surface normal to the mirror surface.) The reflected ray will make an angle of (90- 30=) 60 degrees with the mirror surface.
It is referred to as light reflection when a light ray hits a polished or smooth surface and bounces back. The incident light rays hit the surface and are reflected off of it. The beam that returns is referred to as the reflected ray.
The angle of reflection and the angle of incidence, are the angles formed by these light rays when they reflect back or fall on a surface, respectively.
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False, Gamma Rays are the smallest because gamma rays have the shortest wave length
Answer:
1. a. increase
2. Because the electron has a negative charge its electric potential energy does not decrease as one might expect, but increases instead.
Explanation:
Lets first consider the relation between the electric field and electric potential.
E = -ΔV/Δs
As this equation indicates that the electric field is due to the change in potential and change in the the position of charge. Electric field is directed towards the decreasing potential and the electron moves in the opposite direction of the electric field where potential increases. Thats why the best explanation is that the electron has a negative charge it moves towards the positive region where the electric potential energy increases.
¡Hellow!
For this problem, first, lets convert the seconds in hours:
5,4x10³ 5400
h = sec / 3600
h = 5400 s / 3600
h = 1,5
Let's recabe information:
d (Distance) = 386 km
t (Time) = 1,5 h
v (Velocity) = ?
For calculate velocity, let's applicate formula:
Reeplace according we information:
386 km = v * 1,5 h
v = 386 km / 1,5 h
v = 257,33 km/h
The velocity of the train is of <u>257,33 kilometers for hour.</u>
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Extra:
For convert km/h to m/s, we divide the velocity of km/h for 3,6:
m/s = km/h / 3,6
Let's reeplace:
m/s = 257,33 km/h / 3,6
m/s = 71,48
¿Good Luck?