The best question that could prompt a scientific investigation is: <u>What substances dissolve in ocean water?</u>
This way the person experimenting can use several variables and make observations. Upon making observations, the person can be able to gather as much data as he can in order to answer the original question that he asked.
Answer: The coefficient of static friction is 3.85 and The coefficient of kinetic friction is 2.8
Explanation:
in the attachment
Answer:
3.67 km
Explanation:
Joe distance towards coffee shop is,

And the Max distance towards bookstore is,

Now the distance between the Joy and Max will be,
By applying pythagorus theorem,

Substitute 0.40 km for OB and 3.65 km for OA in the above equation.

Therefore the distance between there destination is 3.67 km.
The force is still 1 pound.
The TORQUE around the pivot is (force) x (distance from the pivot) = 1 foot-pound. (B)