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Two balls attached to strings have the same mass and volume, but are made of different materials. They are released from the same angle(theta), and each hit a block. Ball A bounces back, almost to the same height from which it was released. Ball B sticks to the block.
Which ball exerts a greater net force on the block, ball A or ball B? Explain your reasoning.
lens forms an image of an object. The object is 16.0 cm from the lens, What is the focal length of the lens? Is the lens converging or diverging
Select True or False for the following statements about conductors in electrostatic equilibrium. The electric field inside the conducting material is always zero.
Consider a very high energy cosmic ray photon, with energy 109mp = 1018 eV as measured in Sun's rest frame, scattering off a cosmic microwave background photon with energy 2 x 10-4 eV . Establish the maximum energy of the scattered photon.
If a 62.6 kg runner dissipates a power of 60.9 W during a race, explain how fast is the person running? Assume a running step is 1.50m in length
An electron and a 140-g baseball are each traveling110m/s measured to a precision of 0.055%. Calculate the uncertainty in position of the electron
A system consisting entirely of electrons and protons has a net charge of 1.64×10?15C, How many electrons and protons are in this system
An 8,000 rocket is shot straight up from the Earth's surface with the initial speed of 800 m/s. How high does it go.
A battery is designed to have an EMF of 12.0V. When the battery is connected to an unknown resistor in series the terminal voltage drops down to 10.0V. what is the value of the unknown resistor
compute the accelerations experienced by the blood.
A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.
5 kg of water at 60 degrees are put in contact with 1 kg of ice at 0 degrees and are thermally isolated from everything else. What is the change in entropy of the universe while the ice melts
What is the speed of the large cart after the impact.
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