<span>The classical physics predicted about electron flow as a result of light shining on a metal surface </span>is that D. The brighter the light, the fewer electrons would flow.
Answer:
The time save by Simpson is 25.8 minutes.
Explanation:
Given that,
Velocity of the car, v = 48 km/h
Distance covered by the car, d = 144 km
Let t is the time taken by the car. Speed of an object is given by distance covered per unit time. It is given by :



t = 3 hours
If the velocity is increased to 56 km/h to the east. Time taken is given by :

t' = 2.57 seconds
The time save by Simpson increasing his average velocity is given by :



or

So, the time save by Simpson is 25.8 minutes. Hence, this is the required solution.
1. Because the cart on the coaster must get all of its power from this first hill.
2. It must be smaller because if it was bigger the cart would roll backwards without enough power.
3. an upward climb that is too steep.
I answered the first 3 but try to do the last two by yourself. They are very easy once you figure it out. Try searching the definition of the main points. :)
Answer:
I didn't know these questions sorry
Answer:
Because the weight depends of the gravity
Explanation:
This is because weight and mass are different, in order to better understand this problem we will apply an example with real values, which will help us to determine a person's weight.
A man has a mass of 80 [kg] on Earth when measuring his weight he realizes that it is 784.9 [N] and on the moon it is 130.8 [N]
<u>On Earth</u>
<u />
![g_{e} = 9.81[m/s^2]\\g_{m} = 1.635[m/s^2]](https://tex.z-dn.net/?f=g_%7Be%7D%20%3D%209.81%5Bm%2Fs%5E2%5D%5C%5Cg_%7Bm%7D%20%3D%201.635%5Bm%2Fs%5E2%5D)
Where:
g = gravity
<u>Weight on the moon</u>
<u />
Wm = 80 * 1.635
Wm = 130.8[N]
<u>Weight on the earth</u>
<u />
We = 80 * 9.81
We = 784.8[N]
<u />
In this way we can see that the weight depends on the gravity of where the person is located.