Part A A centrifuge accelerates uniformly from rest to 12000 rpm in 190 s Through how...
A centrifuge accelerates uniformly from rest to 15000 rpm in 320 s . Part A Through how many revolutions did it turn in this time? Express your answer using two significant figures. I've tried 4000, 6366, and 6400; all were marked wrong, what am I missing here?
K Home Work 8 Problem 8.44 9 of 10 > Part A Constants A centrifuge rotor rotating at 9800 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 2.12 m N If the mass of the rotor is 3.43 kg and it can be approximated as a solid cylinder of radius 0.0950 m, through how many revolutions will the rotor turn before coming to rest? Express your answer to three significant figures. revolutions...
A wheel 32 cm in diameter accelerates uniformly from 235 rpm to 360 rpm in 6.45 Part A How far will a point on the edge of the wheel have traveled in this time? Express your answer to two significant figures and include the appropriate units. T. HÀ • • • G3 ? 0.78 Submit Previous Answers Request Answer X Incorrect; Try Again
Constan A 41-cm-diameter wheel accelerates uniformly about its center from 110 rpm to 310 rpm in 5.0 Submit Previous Answers Request Answer X Incorrect; Try Again Part C after it has started Determine the tangential component of the linear acceleration of a point on the edge of the wheels accelerating Express your answer using two significant figures TEMA O ? Subme Request Answer TOVOD FOOD Next >
A centrifuge rotor rotating at 9500 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.93 m⋅N . If the mass of the rotor is 4.69 kg and it can be approximated as a solid cylinder of radius 0.0600 m , through how many revolutions will the rotor turn before coming to rest? How long will it take? Express your answer to three significant figures and include the appropriate units.
Part A Calculate the speed of a proton after it accelerates trom rest through a potential difference of 330 V Express your answer using two significant figures m/s Submit Part B Calculate the speed of an electron after it accelerates from rest through a potential difference of 330 V Express your answer using two significant figures Submit Request Answer Provide Feedback
Problem 13.22 The 50 kg block A is released from rest. (Figure 1) Part A Determine the velocity of the 13-kg block B in 4 s Express your answer to three significant figures and include the appro velocity is downward. NA m U Value S Figure C1 of 1 > Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Provide Feedback
Part A A bicycle wheel is rotating at 41 rpm when the cyclist begins to pedal harder, glving the wheel a constant angular acceleration of 0.49 rad/s. What is the wheel's angular velocity, in rpm, 9.0 s later? Express your answer to two significant hures and include the appropriate units. w. 92 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B How many revolutions does the wheel make during this time? Express your answer...
A space vehicle accelerates uniformly from 75 m/s at t = 0 to 164 m/s at t-10.0 s . Part A How far did it move between t-2.0 s and t-6.0s? Express your answer to two significant figures and include the appropriate units. dValue Units Submit Request Answer Provide Feedback
An electron accelerated from rest through a voltage of 760 V enters a region of constant magnetic field. Part A If the electron follows a circular path with a radius of 27 cm, what is the magnitude of the magnetic field? Express your answer using two significant figures. SubmitP Previous Answers Request Answer X Incorrect: Try Again; 15 attempts remaining Provide Feedback