Question
In: Physics
in a similar setup to the equilibrium lab, you place the fulcrum at the 25 cm...
in a similar setup to the equilibrium lab, you place the fulcrum at the 25 cm mark on a uniform meter stick with mass 150g. Then you hang a mass #1 of 75 grams at the 62.5 mark, a mass #2 of 25 grams at the 12.5 cm mark, and an unknown mass #3 at the 0 cm mark. Draw a free body diagram and find the value of mass #3 in order for the system to be in equilibrium
Solutions
genius_generous answered 8 months agoRelated Solutions
A fulcrum is placed at the 55 cm position of a 100 cm (1 meter) stick...
A fulcrum is placed at the 55 cm position of a 100 cm (1 meter)
stick with a mass of 18 kg. a 10 kg mass is placed at 70 cm
position. where must a 5 kg mass be placed so that the net torque
is zero? (assume the mass of the meter stick is uniformly
distributed)
Lab: Torque and Rotational Equilibrium Data Two Masses in Equilibrium Location of Support (cm) = 50.0...
Lab: Torque and Rotational Equilibrium
Data
Two Masses in Equilibrium
Location of Support (cm) = 50.0
Location of 100 g mass (cm) = 20.0
Location of 200 g mass (cm) = 64.8
Table 1. Calculate: Force (N), Moment Arm (m) = distance, Torque
(Nm)
Determining an Unknown Mass
2. Determine the mass of the unknown with the beam balance for
comparative purposes.
Location of Support (cm) = 50.0
Location of 200 g mass (cm) = 23.0
Location of unknown mass...
In a similar experiment to the one you have performed a student is measuring the equilibrium...
In a similar experiment to the one you have performed a student
is measuring the equilibrium for an organic acid that is soluble in
water and in cyclohexane, a nonpolar organic solvent. When shaken
with the solution of water and cyclohexane, it distributes between
the organic and aqueous phase. The two phases are separated and
titrated with 0.12 M NaOH. Calculate the equilibrium constant for
an acid where the titration of the aqueous phase requires 9.9 mL of
the base...
A 12 cm by 25 cm by 36 cm box of cereal is lying on the...
A 12 cm by 25 cm by 36 cm box of cereal is lying on the floor on
one of its 25 cm by 36 cm faces. An ant, located at one of the
bottom corners of the box, must crawl along the outside of the box
to reach the opposite bottom corner. What is the length of the
shortest path? (* note: the ant can crawl on any of the 5 exposed
faces (not the bottom, which is flush...
An acetic acid/ sodium acetate buffer solution similar to the one you made in the lab...
An acetic acid/ sodium acetate buffer solution similar to the
one you made in the lab was prepared using the following
components:
3.46 g of
NaC2H3O2∙3H2O (FW. 136
g/mol)
9.0 mL of 3.0 M HC2H3O2
55.0 mL of water
If you take half of this solution and add 2 mL of 1.00 M NaOH to
it, then what is the pH of this new solution?
An acetic acid/ sodium acetate buffer solution similar to the one you made in the lab...
An acetic acid/ sodium acetate buffer solution similar to the
one you made in the lab was prepared using the following
components: 3.46 g of NaC2H3O2∙3H2O (FW. 136 g/mol) 9.0 mL of 3.0 M
HC2H3O2 55.0 mL of water If you take half of this solution and add
2 mL of 1.00 M HCl to it, then what is the pH of this new
solution?
An acetic acid/ sodium acetate buffer solution similar to the one you made in the lab...
An acetic acid/ sodium acetate buffer solution similar to the
one you made in the lab was prepared using the following
components: 3.46 g of NaC2H3O2∙3H2O (FW. 136 g/mol) 9.0 mL of 3.0 M
HC2H3O2 55.0 mL of water If you take half of this solution and add
2 mL of 1.00 M HCl to it, then what is the pH of this new
solution?
Experimental Setup: Draw/describe how you will make voltage/current measurements in the lab using your orange multimeter...
Experimental Setup: Draw/describe how you will make
voltage/current measurements in the lab using your orange
multimeter (same device as last week).
1. Draw/describe how you will measure the voltage drop across a
lightbulb in a circuit. Show/explain where you will put the black
lead and the red lead from your orange multimeter and what setting
you will have the device on to take this reading.
2. Draw/describe how you will measure the current through a
lightbulb in a circuit. Show/explain...
(Strawbery DNA Extraction lab) Would you expect to get similar results if you used a different...
(Strawbery DNA Extraction lab) Would you expect to get similar
results if you used a different source of celss, such ss beef
lived? explain
A strip of elastomer 1 cm×1 cm×10 cm is stretched to 25 cm length at T...
A strip of elastomer 1 cm×1 cm×10 cm is stretched to 25 cm
length at T =25C, a stress of 1.5 MPa being required
(a) Assuming a tetrafunctional crosslinking mode, how many moles
of network chains are there per cubic centimeter?
(b) What stress is required to stretch the sample to only 15 cm
at T = 25C?
(c) What stress is required to stretch the sample to 25 cm
length at 100C?
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