Answer:
yea that is very true ◠﹏◠✿
Explanation:
Answer:
B:The breakdown of rocks into smaller rocks
Explanation:
Physical weathering is breaking down rocks, but it doesn't change what the rock is made out of.
Answer:
D . A mass of 5 kilograms lifted 5 meters in 10 second
C. Use a longer wrench, this is because it would create a greater turning moment as moment=force*distance
The vertical height of the given plane is 4.9 m.
The given parameters:
- <em>speed of the object at the bottom of the ramp, v = 9.8 m/s</em>
The vertical height of the plane is calculated by applying principle of conservation of mechanical energy as follows;

Thus, the vertical height of the given plane is 4.9 m.
Learn more about conservation of mechanical energy here: brainly.com/question/332163