Physics, 25.06.2019 04:50 rleiphart1
Acar with mass =1.43e3 kg is initially traveling directly east with a speed =25.0 m/s. it crashes into the rear end of a truck with mass =9000 kg moving in the same direction with speed =20.0 m/s. immediately after the collision the car has a speed =18.0 m/s in its original direction (the two do not stick together in this case). (a) what is the speed of the truck immediately after the collision?
Answers: 2
Physics, 21.06.2019 14:40
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 v for 0.65 ms. the resistance of the heart muscle between the pacemaker’s electrodes is 550 ω. find (a) the current that flows during a pulse, (b) the energy delivered in one pulse, and (c) the average power supplied by the pacemaker.
Answers: 3
Physics, 22.06.2019 05:40
Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
Answers: 2
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
Answers: 1
Physics, 22.06.2019 16:00
What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
Answers: 3
Acar with mass =1.43e3 kg is initially traveling directly east with a speed =25.0 m/s. it crashes in...
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