Explanation:
The electric potential is the electric potential energy per unit of charge
Using this definition, we can calculate the electrostatic potential energy change between point A and B:
Electron: 
Proton: 
Neutral hydrogen atom: 
Singly ionized helium atom:
The total energy of a ball stays constant as it is thrown upward because potential energy increases while kinetic energy decreases. When the ball reaches its maximum height, the velocity is zero. Therefore, only potential energy exists rather than kinetic energy.
The thrower's movement imparts kinetic energy to a ball thrown vertically. The maximum height that can be achieved after leaving the hand will depend on the actual velocity. Air resistance causes some of this energy to be lost to the air as frictional dissipation, which warms the air in the area as well as the ball's surface.
We can just talk about how the ball moves when it is in the gravitational field of the Earth if we ignore this for the purposes of this discussion. The ball's total energy as it is released is comprised of both its gravitational potential energy and its kinetic energy, which result from the ball's velocity (due to its position).
The gravitational potential energy begins to rise as the ball moves vertically upward at precisely the same pace as it loses kinetic energy. The ball experiences a steady downward acceleration of 9.81 m/s2, which causes it to initially decline until it briefly comes to a stop at its highest point.
Due to its current position in the Earth's gravitational field relative to its initial position, all of the energy at this point is gravitational potential energy. As the ball experiences constant downward acceleration, its motion immediately becomes apparent in that direction because the acceleration easily transforms gravitational potential energy back into kinetic energy.
As a result, at every point along the trajectory, the total of these interchangeable forms of energy remains constant.
To learn more about what happens when a ball is thrown vertically upward:
brainly.com/question/1121850
Seriously? It’s that hard to use a calculator??
Answer:
Time to pass the train=0.05 h
How far the car traveled in this time=4.75 Km
Explanation:
We have that the train and the car are moving in the same direction, the difference between the speed of the vehicles is:
We will use this difference in the speed of the car an train to calculate how much time take the car to pass the train. For this we have that the train is 1km long and the car is moving with a speed of 20km/h (we use this value because is the speed that the car have in advantage of the train) then for a movement with a constant speed we have:
Where x is the distance, t is the time and v is the speed. using the data that we have:
This is the time that the car take to pass the train. Now to calculate how far the car have traveled in this time we have to considered the speed of 95Km/h of the car, then:
Answer:
The code is written in python in the explanation section below
Explanation:
a_feet = int(input("Input the feet of the first fabric: "))
a_inches = int(input("input the size in inches for the first piece of fabric: "))
b_feet = int(input("input the size in Feet for the second piece of fabric: "))
b_inches = int(input("Enter the size in Inches for the second piece of fabric: "))
sum_inches = a_inches + b_inches
inches_to_feet = sum_inches // 12
rem_from_div = sum_inches % 12
sum_feet = a_feet + b_feet + inches_to_feet
print("Feet: {} Inches: {}".format(sum_feet, rem_from_div))
