Questions Answered

jaderbrown:
Group Title
Which of the following statements or expressions is most nearly associated with Kepler's Second Law of Planetary Motion?
P2 = A3
…
 updated one year ago
 2 replies
 1 Medal

salini:
Group Title
if 4g of oxygen diffuses through a hole how much hydrogen would have diffused under identical condition?
 updated one year ago
 2 replies
 No Medals Yet

rayray123:
Group Title
Which of the following describes why lightening rods are put on top of houses?
…
 updated one year ago
 5 replies
 2 Medals

Equestiem:
Group Title
Tierra is playing in her backyard when she hears her friend calling out to her. She can't see her friend but can hear her friend's voice. Wh…
 updated one year ago
 1 reply
 1 Medal

KellyThomas:
Group Title
I have a projectile problem with known launch velocity, and target coordinates. How to I determine correct launch angle?
Full Text: If a…
 updated one year ago
 12 replies
 1 Medal

Directrix:
Group Title
How did you first find OpenStudy?
 updated one year ago
 59 replies
 20 Medals

dave0616:
Group Title
n a "worstcase" design scenario, a 2000kg elevator with broken cables is falling at 4.00 m/s when it first contacts a cushioning spring at…
 updated one year ago
 7 replies
 1 Medal

salini:
Group Title
LIMIT QUESTION
 updated one year ago
 25 replies
 3 Medals

RolyPoly:
Group Title
Voltage: What is the voltage across A and B?
 updated one year ago
 15 replies
 2 Medals

DLS:
Group Title
Momentum of a body is doubled.
%Change in KE=?
 updated one year ago
 22 replies
 4 Medals

jores:
Group Title
A 100kg cannon at rest contains a 10 kg cannon ball, when fired the ball leaves the cannon with the spend of the 90m/s. what is the recoil s…
 updated one year ago
 3 replies
 1 Medal

salini:
Group Title
integral
…
 updated one year ago
 56 replies
 1 Medal

salini:
Group Title
A cube of ice 2 cm on a side is floating in a glass of water. You observe that the top of the ice is 0.166 cm above the surface of the water…
 updated one year ago
 2 replies
 1 Medal

pacman1994:
Group Title
A car moving with a velocity of 20 meters/second has
1.8 * 105 joules of kinetic energy. What is the mass of the car
 updated one year ago
 2 replies
 3 Medals

salini:
Group Title
is the answer to this question o?
attached file
 updated 2 years ago
 7 replies
 1 Medal

harsh314:
Group Title
a second's pendulum is inside a car, the car is moving in a circle with radius 10m and velocity 10m/s find the time period of small oscillat…
 updated 2 years ago
 19 replies
 2 Medals

quarkine:
Group Title
When we bring charge from infinity to free space,the work done is said to be zero.but by bringing the charge we are actually creating the el…
 updated one year ago
 10 replies
 2 Medals

priyanthi.amarasinghe:
Group Title
A flat composite plate is made of two layers of aluminum and steel of 5cm and 2cm thickness respectively. the thermal conductivity of alumin…
 updated 2 years ago
 1 reply
 No Medals Yet

salini:
Group Title
in the online exam for jee main do we have timer for each question and can we go back and change an option that we gave as answer already in…
 updated 2 years ago
 5 replies
 2 Medals

RamyaMurugesan:
Group Title
when an object falls in air,the resistance by the air depends on the weight of the object. Is it right?
 updated 2 years ago
 7 replies
 No Medals Yet

fakh2r:
Group Title
hi
can u help me, please
…
 updated 2 years ago
 8 replies
 No Medals Yet

Youngster:
Group Title
Please Help!
Consider two uniform spherical planets of equal density but unequal radius. Which of the following quantities is the same for…
 updated 2 years ago
 5 replies
 2 Medals

Shadowys:
Group Title
Does Pascal's law only hold for fluids that obey the Bernoulli's Principle?
 updated 2 years ago
 8 replies
 No Medals Yet

kbrandon:
Group Title
Two physics books, A and B, are placed on top of each other on a table. Book A's mass is 2 kg and book B's mass is 1 kg. Book A is place on …
 updated 2 years ago
 2 replies
 No Medals Yet

boy.janooni.5:
Group Title
what is the difference in heat and temperature?
…
 updated 2 years ago
 2 replies
 1 Medal

rvgupta:
Group Title
A hunter aims his gun and fires a bullet directly at a monkey sitting on a tree at the instant the bullet leaves the barrel of the gun. Will…
 updated 2 years ago
 5 replies
 1 Medal

andriod09:
Group Title
Here is a riddle for everyone the first one to answer correctly will get a medal.
 updated 2 years ago
 4 replies
 3 Medals

salini:
Group Title
how to simplify this binomial expression?
 updated 2 years ago
 23 replies
 2 Medals

salini:
Group Title
how did this expansion become like this?
 updated 2 years ago
 9 replies
 1 Medal

darkwhale:
Group Title
Astronauts on our moon must function with an acceleration due to gravity of 0.170g . If an astronaut can throw a certain wrench 12.0m vertic…
 updated 2 years ago
 14 replies
 No Medals Yet
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