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The diet of a 60 kg person provides 12,000 kJ daily. Ifthis amount of energy were added to 60 kg of water, by how much would its temperature increase?
It is possible to make a thermometer by sealing gas in a rigid container and measuring the absolute pressure. What is the temperature of this sample
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. What is the mass of this canister
A hydrogen atom is in its fifth excited state, with principalquantum number 6. etermine the maximum possible orbital angular momentum of the electron after emission
A ball of mass m makes a head-on elastic collision with a second ball (at rest), What is the mass of the second ball
A wave traveling in the +x direction has an amplitude of 0.186 m, a speed of 3.27 m/s, Write the equation of the wave
When verticaly falling sand hits a horizontally moving cart, the cart slows. avoid any friction between the cart and the tracks. Give two reason for this, one in terms of a horizontal force acting on the cart, and one terms of momentum conservatio..
You are trying to overhear a juicy conversation, but from your distance of 15m. It sounds like only an average whisper of 20 dB. So you decide to move closer to give the conversation a sound level of 60 dB instead. How close must you come.
The position of a particle in cm is given by x = (7) cos 9?t, where t is in seconds, What is the frequency, What is the period, What is the amplitude of the particle's motion
A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. What is the speed of the wreckage just after the collision
What is the lowest possible kinetic energy of the atom in the box and what velocity does the atom have in the absence of such a measurement?
A rock is dropped from rest at earth surface (g=9.80m/s^2)and reaches the ground in 1.80s. what is the original height of the rock
A driver travels northbound on a highway at a speed of 28.0 m/s. What frequency does the driver observe as the police car approaches
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