80% from burning fossil fuels
Answer:
0.65812
Explanation:
m = Mass of suitcase = 16 kg
= Incline angle = 40°
g = Acceleration due to gravity = 9.81 m/s²
a = Acceleration of the block = 1.36 m/s²
f = Frictional force
The normal force is given by

In x direction

Frictional force is given by

The coefficient of kinetic friction between the suitcase and the ramp is 0.65812
Answer:

Explanation:
As we know that truck is moving up the hill
So here we have two forces on the crate placed on the truck
1) gravitational force along the floor
2) Friction force along the floor
Now here if the truck is moving with maximum possible acceleration so that there is no slipping of the crate
So here we will have




Answer:
Gravitational force between masses there is Gravitational force .
We are ask to know where is the location of the coal bed, in
this given sentence when you need to analyze every words just to know where is
the coal bed located.
To my understanding the coal bed is located just above the
highest piece of sandstone seen in the soil.