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If you allow ice to melt at room temperature, what is the state of molecules in the liquid water?
How did the energy transfer take place?
Is the entropy of the system higher or lower? Why?
If you were to heat the melted water to its boiling point, what would happen to the entropy of the system?
In a classic clip on America's Funniest Home Videos, a sleeping cat rolls gently off the top of a warm TV set. (Ignore air resistance and consider upward motion to be positive with zero at the top of the TV).
A merry-go-round of radius R=2.0m has a moment of inertia I=250kg m^2, and is rotating at 10rpm. A child whose mass is 25 kg and is at rest grabs onto the edge of the merry-go-round. The new angular speed (in rpm) of the merry-go-round is approximate..
A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.25 ? 109Image for 1.A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators,..
question waves on a stick a flexible stick 2.0 m long is not fixed in any way and is free to vibrate. make clear
In terms of a0 and C, what is the quantum mechanical probability of the electron in a hydrogen atom being in this small volume, assuming that the nucleus is at the origin and the atom is in its ground state?
an electron microscope accelerates an electron (mass of electron is 9.11x10^-31 kg) from rest to 2.8 x 10^7 m/s in a distance of 2.80 cm, what is the average force on the electron
A 300-g mass at the end of a spring oscillates with an amplitude of 7.0 cm and a frequency of 1.80 Hz. (a) Find its maximum speed and maximum acceleration. (b) What is its speed when it is 3.0 cm from its equilibrium position?
If the spring is pulled until it stretches 2.40cm and the pack remains at rest, what is the force of friction exerted on the backpack by the table
determine the frequency of small oscillations of the system when the weight is given a small vertical displacement and released.
You are watching your friend play hockey. In the course of the game, he strikes the puck in such a way that, when it is at its highest point, Find the vertical component of its initial velocity
An 80.6 kilogram climber is scaling the vertical wall of a mountain. Evaluate how much is the rope stretched when it breaks his fall and momentarily brings him to rest
question a 0.344 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 0.95 s. the
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