Physics, 01.11.2019 05:31 superfly903
The function v(t)equals=t cubed minus 10 t squared plus 21 tt3β10t2+21t, [0,99], is the velocity in m/sec of a particle moving along the x-axis. complete parts (a) through (c). a. determine when the motion is in the positive direction and when it is in the negative direction. b. find the displacement over the given interval. c. find the distance traveled over the given interval.
Answers: 2
Physics, 22.06.2019 11:30
Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?
Answers: 1
Physics, 22.06.2019 15:20
Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60Β°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
Physics, 22.06.2019 19:30
Select light for the type of wave, adjust the wavelength so that the light is red, and increase the amplitude of the light to the max. then, select the start button at the source location to begin producing the waves. light is a form of electromagnetic wave, containing oscillating electric and magnetic fields. the wave amplitude detector mentioned above shows how the electric field oscillates in time at the location of the probe. the amplitude of the wave at the location of the probe is equal to the maximum electric field measured. how does the amplitude of the wave depend on the distance from the source?
Answers: 2
The function v(t)equals=t cubed minus 10 t squared plus 21 tt3β10t2+21t, [0,99], is the velocity in...
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