Recent Physics Questions

• What is Newton's second law of motion?

  2 hr 46 min ago - Newton's second law states that F=ma (Force=mass x accelerati...

• Can you Calculate the acceleration of a 2,000-kg single-engine airplane just before takeoff when the thrust of its engine is 500N?

  2 hr 47 min ago - Thrust = Mass x Acceleration, therefore, 2000kg = 19600n, so ...

• What is a charged particle called?

  2 hr 48 min ago - A charged particle is called a proton. Thanks, ChaCha.

• Is this true or false: Momentum is not conservative when interacting objects don't move along a straight line?

  2 hr 49 min ago - Conservation of angular momentum is a powerful general law th...

• What is the difference between fusion and fission?

  2 hr 49 min ago - Fission is the act or process of splitting into parts. Fusion...

• What is the Hund's Rule?

  2 hr 50 min ago - Hund's rule: every orbital in a subshell is singly occupied w...

• Why does fire burn up and not down?

  2 hr 50 min ago - The density of the hot gas is less than the density of the su...

• What is van der waals forces?

  2 hr 51 min ago - The van der Waals force is the sum of attractive or repulsive...

• What is a poor electrical conductor?

  2 hr 51 min ago - Glass is a very poor conductor of electricity. Thanks for usi...

• If a temperature remains constant, what will happen to the pressure of a gas if you decrease the volume of the container that holds it?

  2 hr 51 min ago - Boyle's law leads us to find that the pressure of the gas wil...

• Which quantity would not labeled a vector?

  2 hr 52 min ago - In elementary mathematics, physics, and engineering, a Euclid...

• If two 4- newton forces act on an object in the same direction. What is the me force on the object?

  2 hr 52 min ago - The net force acting on an object is always the vector sum of...

• What is used to measure standard pressure?

  2 hr 52 min ago - Many techniques have been developed for the measurement of pr...

• What is glass a good conductor of?

  2 hr 52 min ago - Glass isn't a conductor of electricity. On pylons, the cerami...

• What is the smallest unit of an atom that can still be identified as a specific element?

  2 hr 56 min ago - Atom is the smallest unit of an atom that can still be identi...

• Can you describe the surface appearance of the photosphere?

  2 hr 57 min ago - The main layer of the Sun that we see is the photosphere. The...

• If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having?

  2 hr 58 min ago - If an electron vibrates up and down 1000 times each second, i...

• What is a dispersion force?

  2 hr 59 min ago - Dispersion force is an induced dipole - induced dipole intera...

• How many nukes does it take to blow up Mars?

  2 hr 59 min ago - A nuclear weapon is an explosive device that derives its dest...

• What materials does light not pass through?

  3 hr ago - Light passes through objects that are "transparent". Light do...

• What are the 4 types of friction?

  3 hr ago - Static friction, Rolling friction, Fluid friction, and Slidin...

• Can you describe a permanent dipole?

  3 hr 1 min ago - Permanent dipoles occur when 2 atoms in a molecule have subst...

• What is the equation for speed?

  3 hr 2 min ago - You calculate speed by the equation m/sec or cm/sec. This mea...

• What does "published value of gravity" mean in physics?

  3 hr 2 min ago - Published values of G have varied rather broadly, and some re...

• If he averaged 20 mph out and 30 mph back, how long did he travel each way It tool John 12 hours riding his bike to make the round trip to his uncle's?

  3 hr 2 min ago - 7.2 hrs at 20 mph and 4.8 hrs at 30 mph. It took John 12 hour...

• How do you find potential energy?

  3 hr 3 min ago - Potential energy is not something you can just find, it needs...

• Will you describe the London dispersion forces?

  3 hr 3 min ago - The London dispersion force is the weakest intermolecular for...

• What property of electrons and protons led to their discovery?

  3 hr 4 min ago - Their electric charge helped to discover electrons and protons.

• What is the difference of weight and mass?

  3 hr 7 min ago - Mass is defined as the amount of matter an object has. The we...

• What is the equation for universal gravitation?

  3 hr 8 min ago - F = GMm/R(squared) * F is force * G = 6.67*10-11 N-m/kg. * M ...

• What happens when particles are heated?

  3 hr 9 min ago - When a solid is heated, the particles are given more energy a...

• How far does a nuclear bomb spread?

  3 hr 9 min ago - The effect of a single bomb would depend on its power, and wh...

• What does the term period mean in physics?

  3 hr 11 min ago - Period (noun) physics: the interval of time necessary for a r...

• What is the formula to find volume?

  3 hr 11 min ago - The formula for volume is different depending on the shape or...

• Can you Give an example of using rewards to change behavior?

  3 hr 13 min ago - An example of using rewards to change behavior would be when ...

• How is energy produced by the sun?

  3 hr 14 min ago - Photovoltaic (PV devices) or "solar cells" change sunlight di...

• What is kenetic energy?

  3 hr 15 min ago - Kinetic energy is energy of motion. The kinetic energy of an ...

• What is a electron transport chain?

  3 hr 16 min ago - The electron transport chain in the mitochondrion is the site...

• What is the formula for K, in physics?

  3 hr 16 min ago - The formula for K in physics is K=1/2mv^. This is the Kinetic...

• What if an object is dropped from rest and falls freely. after 6 seconds, calculate its instaneous speed, average speed, and distance fallen?

  3 hr 19 min ago - If an object is dropped from rest and falls freely. after 6 s...

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