Physics, 19.11.2019 09:31 miargaree1823
Using a 2.44kg sledge hammer, a railroad worker drives a 0.55kg spike into a railroad tie. the sledge hits the spike with a speed of 62 m/s. if 0.33 of the sledge’s kinetic energy is converted to the internal energy of the sedge and spike, how much does the total internal energy increase?
Answers: 2
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Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.
Answers: 1
Physics, 22.06.2019 08:00
Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.
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Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Using a 2.44kg sledge hammer, a railroad worker drives a 0.55kg spike into a railroad tie. the sledg...
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