120 g ball moving to the right at 41msec catches up and
120 g ball moving to the right at 4.1m/sec catches up and collides with a 450 g ball that is moving to the right at 1.2 m/sec what is the speed of both balls after the collision?
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a skier moving at 460ms encounters a long rough horizontal patch of snow having coefficient of kinetic friction 0220
a hydrogen atom has an ionization energy of 136 ev an electron in the n 4 state makes a transition to the n 2 state
calculate the wavelength of a photon emitted when the electron in a li2 ion relaxes from the n6 energy level to the n4
a five-slit system with 82 slit spacing is illuminated with 635nm lightpart a find the angular positions of the first
120 g ball moving to the right at 41msec catches up and collides with a 450 g ball that is moving to the right at 12
two boats start together and race across a 68 km wide lake and back boat a goes across at 68 kmh and returns at 68 kmh
a water storage tank in a distribution system is filled at a rate of 300 m3h the chlorine concentration of the water
a 76 g 31 cm long road hang vertically on frictionless horizontal axle passing through its center a 10 gram ball of
a 2l jar equipped with a tight-fitting lid that contains a rubber septum is half filled with water at equillibrium the
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Research and define environmental responsibility. Explain why it is important to plan for children to learn about the environment and become environmentally
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A new star is forming inside this glowing cloud of gas. The dark band in the middle is made of a disk of thick dust, which obscures the ligh