phys

This page lists questions and answers that were posted by visitors named phys.

Questions

The following questions were asked by visitors named phys.

A 60.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 14.9 cm. Model the floor as completely solid and motionless. (a) Does the...
15 years ago
A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B. higher than the freezing point of the solvent alone because higher t...
15 years ago
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. I...
15 years ago
sorry i forgot add the question The freezing point of a solution is A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B....
15 years ago
how do we calculate bond order of a molecule that has 3 different elements, like for example C-N-O
15 years ago
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
15 years ago
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...
15 years ago
can anyone give an example of imperfect inelastic collision and how is it different from perfect inelastic. My teacher and the book didn't mention anything about imperfect one
15 years ago
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
15 years ago
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.
15 years ago
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
15 years ago
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
15 years ago
A chicken decides to cross a road. The road is perfectly straight, runs north-south, and is full of cars driving by from south to north. The cars have a log-normal distribution for the distance between each car. However, the cars all travel at 80 km/hr. T...
12 years ago

Answers

The following answers were posted by visitors named phys.