Density of a Liquid:
Problem: You are given two unknown liquids. Find the density of each.
Materials: 100ml graduated cylinder, triple beam balance, calculator, 2 unknown liquids.
Procedure:
1) Find the mass of the empty graduated cylinder.
2) Pour unknown liquid #1 into the graduated cylinder to the 50 ml . level.
3) Find the mass of the graduated cylinder with 50ml of unknown liquid #1.
4) Repeat steps 1-3 for unknown liquid #2.
(ANSWER: 300 ft-lbs) It’s pretty easy once you understand the process. Basically all you need to do is multiply 100 and 3. As you know, 100*3=300. Therefore, the answer should be 300 ft-lbs.
Answer:
The first law states that if the net force is zero, then the velocity of the object is constant.
Answer:
Part a)
Part b)
Part c)
Part d)
Displacement for entire trip = 0
Part e)
Average velocity for entire trip will be zero
Explanation:
Part a)
Displacement after t = 2.4 hours is the straight line distance between initial and final positions
so we have
Part b)
Average velocity is defined as
Part c)
During his return journey the displacement will be same
so average velocity is defined as
Part d)
Displacement for entire trip = 0
as initial and final position will be same
Part e)
Average velocity for entire trip will be zero