physics
in an adiabatic expansion, it says that temperature decreases but volume increases, but if we look at PV=nRT, if T decreases, then shouldnt V decreases
physics
if the piston is in thermal equilibrium but the it is pushed inward, can there be a change in temperature(increase) even if Q=o
physics
if the temperature is increased, how do we determine volume and pressure since T is proportional to V and P but V and P are indirectly proportional to each other.
physics
when an impulse is given to a particle, momentum is transferred from an external agent to that particle. What do they mean by external agent what is really an impulse beside saying that its a change in momentum
physics
can anyone give an example of imperfect inelastic collision and how is it different from perfect inelastic. My teacher and the book didnt mention anything about imperfect one
physics
A 16.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 61.0° angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 840 N firefighter is 4.20 m from the bottom. i got ...
physics(I'm taking a different way to solve)
In the 1968 Olympic Games, University of Oregon jumper Dick Fosbury introduced a new technique of high jumping called the "Fosbury flop." It contributed to raising the world record by about 30 cm and is presently used by nearly every world-class jumper. In this techn...
physics
A student proposes to measure the gravitational constant G by suspending two spherical objects from the ceiling of a tall cathedral and measuring the deflection of the cables from the vertical. Draw a free-body diagram of one of the objects. (Do this on paper. Your instructor ...
chemistry
can you tell me what i did wrong on this problem Rigid rods of negligible mass lying along the y axis connect three particles. The system rotates about the x axis with an angular speed of 3.30 rad/s. 4kg,y=3.00m 2kg,y=-2.00m 3kg,y=-4.00m a)Find the total rotational kinetic ene...
chemistry(check my answer)
how do resonance structure related to its real structure? resonance structure is just another way to write the lewis dot with different formal charges and bond order
For Further Reading
