Physics, 21.09.2019 01:10 fowers8376
Aspring stretches 0.2 cm per newton of applied force. an object is suspended from the spring and a deflection of 3 cm is observed. if g = 9.81 m/s? , what is the mass of the object, in kg?
Answers: 2
Physics, 22.06.2019 07:30
The slope of a velocity time graph over any interval of time gives the during that interval
Answers: 2
Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Physics, 22.06.2019 16:30
When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)
Answers: 1
Physics, 22.06.2019 19:40
Uranium has two naturally occurring isotopes. 238u has a natural abundance of 99.3% and 235u has an abundance of 0.7%. it is the rarer 235u that is needed for nuclear reactors. the isotopes are separated by forming uranium hexafluoride uf6, which is a gas, then allowing it to diffuse through a series of porous membranes. 235uf6 has a slightly larger rms speed than 238uf6 and diffuses slightly faster. many repetitions of this procedure gradually separate the two isotopes. what is the ratio of the rms speed of 235uf6 to that of 238uf6? express your answer to five significant figures.
Answers: 3
Aspring stretches 0.2 cm per newton of applied force. an object is suspended from the spring and a d...
Physics, 24.12.2019 18:31
Mathematics, 24.12.2019 18:31