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The generic solution for a particle in a 1D box with length, a, is A sin kx + B cos kx. State the values and explain the mathematic origins for A, B and k.
A 45.0 kilogram boy, riding a 2.10 kilogram skateboard at a velocity of 5.60 m/s across a level sidewalk, jumps forward to leap over a wall. Find the skateboard's velocity relative to the sidewalk at this instant
You launch a rock from the origin (0,0) with an initial speed of 50 m/s at an angle of ?o=30° from horizontal. How far horizontally will the rock travel before it lands
A grade school student plans to build a 34-power telescope as a science fair project. What focal length is needed for her objective lens
A building made with a steel structure is 596 m high on a winterday when the temperature is 0?F. How much taller is the building when the temperature is T = 104?F? (The linearexpansion coefficient of steel is α = 1.1 ×10−5 (?C)−1.)
The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 28 m radius of curvature, What is the car's speed at the bottom of the dip
question. no 1 a lift is filled with patients has a total mass of 2055 kg. as the lift begins to go up the
Space vehicles traveling through Earth's radiation belts can intercept a significant number of electrons. The resulting charge buildup can damage electronic components and disrupt operations. Suppose a spherical metallic satellite 1.6 m in diamete..
830 J of heat is added to an ideal gas which is maintained at a constant temperature and a pressure of 1.0 atm. what is the final volume
A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 4.4 s later. If the speed of sound is 340 m/s, how high is the cliff
A ball of mass m_b and volume V is lowered on a string into a fluid of density rho_f. Suppose that the object would sink to the bottom if it were not supported with the string.
A father pulls his identical twins on identical sleds tied one after the other. He exerts a force F that makes an angle of 30degrees with the horizontal, What is the tension in the rope that he is pulling
During a thunderstorm, winds with a speed of 49.4 m/s blow across a flat roof with an area of 751 m2
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