Esraa
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 Esraa Kh
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 Dont Be So Quick To Judge Me, You Only See What I Choose To Show!! =)
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Questions Answered

mwilliamson:
Group Title
How many lines of symmetry does the figure have?
 updated one year ago
 4 replies
 2 Medals
Mathematics

ElizabethScarlette:
Group Title
f
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

SmogDude:
Group Title
Look at the figure.
If sec x° = 3/2, what is the value of y?
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

tanjung:
Group Title
find the solution of :
…
 updated one year ago
 30 replies
 1 Medal
Mathematics

teresakayla:
Group Title
what is the value of "y" in the system of the following equations :
x=y+3
2x+3y=4
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

gaupgaup:
Group Title
Triangle ABC is enlarged to triangle A'B'C' by a point projection from the origin of the coordiante plane. What is the ratio of the area of …
 updated one year ago
 8 replies
 2 Medals
Mathematics

Esraa:
Group Title
An egg, initially at rest, is dropped onto a concrete surface; it breaks. Prove that the
process is irreversible. In modeling this process …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
An egg, initially at rest, is dropped onto a concrete surface; it breaks. Prove that the
process is irreversible. In modeling this process …
 updated one year ago
 18 replies
 2 Medals
Mathematics

ChinaGurl:
Group Title
which of the following are metalloids ?
a. fluorine
b. silicon
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

ChinaGurl:
Group Title
which of the following are correct statements ?
a. an electron is a negatively charged particles in the nucleus
b. a neutron is a neutral …
 updated one year ago
 2 replies
 2 Medals
Mathematics

Esraa:
Group Title
A capacitor stores energy of 1.25 J. If when it is connected by means of a switch to a 15Ω resistor it discharges to half this value in 15 …
 updated 2 years ago
 20 replies
 1 Medal
Mathematics

Esraa:
Group Title
The two particles making circular paths in the magnetic field shown have the same mass and kinetic energy. The field is downward into the pa…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

chaplaps:
Group Title
45 km/h = 12.5 m/s ? yes or no, why not if no?
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

Esraa:
Group Title
An electron is traveling horizontally from E to W in a region of space where the Earth's magnetic field is directed horizontally toward the …
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
A charged particle is moving in a uniform, constant magnetic field. Which one(s) of the following statements concerning the magnetic force e…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
A direct current power supply is connected to a circuit containing one resistor, and 1.5 A is drawn. If a second identical resistor is conne…
 updated 2 years ago
 17 replies
 1 Medal
Mathematics

marwa.ally:
Group Title
In the movie Back to the Future, time travel is made possible by a flux capacitor, which generates 1.21 GW of power. Assuming that a 3.00F …
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

alisayed:
Group Title
What is the magnitude of the force on an electron moving with a velocity of 6.33 × 106 m/s at right angles to a 2.53 × 102 T magnetic field…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

marwa.ally:
Group Title
By how much does the current fall after the switch is closed in a series RC circuit when three time constants have elapsed?
a) 95%
b) …
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
During a physics demonstration, a fully charged 98µF capacitor is discharged through a 125Ω resistor. How long will it take for the capaci…
 updated 2 years ago
 16 replies
 No Medals Yet
Mathematics

alisayed:
Group Title
If R1 = 6 Ω, R2 = 8 Ω, R3 = 2 Ω, ε1 = 4 V, and ε2 = 14 V, what is the current in R2?
 updated 2 years ago
 14 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
A 1.50µF capacitor charged to 40.0 V and a 2.40µF capacitor charged to 15.0 V are connected to each other, with the positive plate of each…
 updated 2 years ago
 12 replies
 No Medals Yet
Mathematics

BrittanyLovesYou:
Group Title
Temperature is a measure of ____ of the particles in an object.
the difference between the potential and kinetic energy
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

Esraa:
Group Title
The resistivity of gold at room temperature is 2.35 × 108 Ω×m. The temperature coefficient a = 3.98 × 103/K. What will be the resistivity …
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

Esraa:
Group Title
When a capacitor has a charge of absolute value 80 µC on each plate the potential difference across the plates is 10 V. How much energy is s…
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
Two parallel plate capacitors, C1 and C2 are connected in series to a 9.0V battery. If capacitor C1 has a capacitance of 10 nF and capacito…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Esraa:
Group Title
A 1.50µF capacitor charged to 40.0 V and a 2.40µF capacitor charged to 15.0 V are connected to each other, with the positive plate of each…
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics