What is the speed of the block after it has traveled
A block of mass 21.1 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.15 m/s2. What is the speed of the block after it has traveled 2.63 m?
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Why is the ionization of Hydrogen greater than the energy of any frequency in the bright-line spectrum for Hydrogen?
The two electrons in a helium atom are separated by about 0.10 nm and the separation between either electron and the nucleus is about 0.050 nm. What is the total electric potential energy of the atom?
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While walking between gates at an airport, you notice a child running along a moving walkway. Estimating that the child runs at a constant speed of 2.9 m/s relative to the surface of the walkway, you decide to try to determine the speed of the wal
A cannon barrel is elevated at an angle of 45°. It fires a ball with a speed of 346 m/s. (For the following questions, ignore air resistance.) (a) What height does the ball reach?
After a time t' it maintains a constant speed so that when t=160s it has traveled 2000 ft. Determine the time t' and draw the v-t graph for the motion (if you cant draw the graph no problem).
A 60- driver gets into an empty taptap to start the day's work. The springs compress 0.02 . What is the effective spring constant of the spring system in the taptap?
Allosteric enzymes are multi-subunit enzymes with "allo" or other sites, to which biochemicals may bind. When these biochemicals, or allosteric effectors, bind, they change the conformational structure of the enzyme, which, in turn, changes the ac
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