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Name:
Vincent Parbelle
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Physics and chemistry teacher.
I love classical music and languages.
I speak French, English, German, Spanish, Italian and Turkish; now learning Japanese.
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Questions Answered
jamclementine:
How much energy is stored in one cubic meter of air due to the fair weather electric ﬁeld of magnitude 150 V/m?
updated 6 hours ago
3 replies
1 Medal
Mathematics
Anch96:
In an electric dipole, aren't the forces equal and opposite and thus they should be in stable equilibrium? they why is their a torque when i…
updated 3 hours ago
2 replies
No Medals Yet
Mathematics
EducateMe:
A torsional pendulum consists of a solid disk (mass = 3.0 kg,radius = 1.0 m) suspended by a wire attached to a rigid support.The body oscill…
updated 13 hours ago
2 replies
2 Medals
Mathematics
highpvb:
For the titration of 70.0 mL of 0.250 M NH3 with 0.500 M HCl at 25 °C, determine the relative pH at each of these points.
updated 14 hours ago
1 reply
No Medals Yet
Mathematics
This_Is_Batman:
Which of the following is the smallest volume? 500 mL
2500 cm^3
5.5 x 10^-1 L
…
updated yesterday
5 replies
1 Medal
Mathematics
Wimsicle:
Will give medal! Please help.
How do the magnitude and charge of the two charged particles in the figure compare?
…
updated yesterday
15 replies
2 Medals
Mathematics
tomorrow123:
The 2.60 kg cube in the figure has edge lengths d = 7.30 cm and is mounted on an axle through its center. A spring (k = 1250 N/m) connects t…
updated yesterday
2 replies
No Medals Yet
Mathematics
a25526598:
Easier to push or pull? Image you are moving a 100 kg block across a floor with friction (u_k=.3) at a constant velocity of 2m/s. If you pu…
updated 23 hours ago
25 replies
1 Medal
Mathematics
SIenderman:
What is the volume of a cube with a 1CM side?
updated yesterday
2 replies
No Medals Yet
Mathematics
annipuppi:
How do you say 'The 22nd of April' in Spanish including how you say the numbers?
updated yesterday
7 replies
1 Medal
Mathematics
jessicawade:
French "Faire verb" help?
Answer the questions in complete French sentences based on the image provided: use the verb "faire" correctly
…
updated yesterday
4 replies
2 Medals
Mathematics
mariadoss:
why AlCl3 is an acid?
updated yesterday
3 replies
2 Medals
Mathematics
errwrsysalan:
Lots of questions:
1. If 10 people stand around an object (diffuse reflection) and they are the same distance away from the object. Will th…
updated yesterday
8 replies
1 Medal
Mathematics
yo9090:
Need help with width of slit (wavelength)
updated yesterday
9 replies
No Medals Yet
Mathematics
steffw:
What would be the equation of these 5 vectors?
updated 23 hours ago
12 replies
No Medals Yet
Mathematics
This_Is_Batman:
Which of the following is not a step in the conversion of 37 L to dam^3?
updated 2 days ago
4 replies
No Medals Yet
Mathematics
jkim1456:
at sea level an astronaut weighs 190 pounds
updated 2 days ago
1 reply
No Medals Yet
Mathematics
jamclementine:
Consider a charge on top of a cylinder, How do you calculate the flux through the walls of a cylinder given the flux through top and bottom?…
updated 2 days ago
3 replies
No Medals Yet
Mathematics
jamclementine:
Two inﬁnite lines of charge with charge density are placed parallel and a distance d apart. What is theelectric ﬁeld magnitude at point P a…
updated 2 days ago
8 replies
1 Medal
Mathematics
mprather:
A 75-g tennis ball moving to the right at 46 m/s is hit by a tennis racquet. Immediately afterward, the ball travels
to the left at 33 m/s.…
updated 2 days ago
3 replies
No Medals Yet
Mathematics
Kshitizbhatta:
A slide projector has magnification of 10. If a slide of dimension 6 cm square is projected on the screen ,the area of image in the screen i…
updated 2 days ago
2 replies
1 Medal
Mathematics
shruti:
help
updated 16 hours ago
7 replies
2 Medals
Mathematics
errwrsysalan:
When we see white light, is it a constructive interference of red light, green light and blue light? How could a light bulb make so many dif…
updated yesterday
22 replies
3 Medals
Mathematics
theEric:
I'm studying harmonic motion by understanding it through potential energy. But there seems to be so many things going on, and I was hoping s…
updated 2 days ago
9 replies
1 Medal
Mathematics
jessyv:
It is known Neptune is 30 AU from Sun, it takes 164 years to complete one orbit around the Sun. Use this info. alone to estimate the mass of…
updated yesterday
10 replies
1 Medal
Mathematics
haidar2014:
I'm given the compression is 1cm against the force 300N (on a graph) and the mass is 50g I'm asked to work out the speed so how do I work it…
updated 2 days ago
19 replies
No Medals Yet
Mathematics
imakebots:
[Newton's Laws - Mechanics] A 10 kg monkey climbs up a massless rope that runs over a frictionless tree limb and back down to a a 15 kg pack…
updated 3 days ago
7 replies
1 Medal
Mathematics
Matrix123:
Hey can some one help me with the German questions? The person is talking really fast and i can't understand.
updated 4 days ago
5 replies
No Medals Yet
Mathematics
AravindG:
Question below:
updated 3 days ago
6 replies
No Medals Yet
Mathematics
AravindG:
Question below:
updated 4 days ago
13 replies
2 Medals
Mathematics
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