Vix
Popular questions and responses by Vix
Physics
A grandfather clock has a pendulum that consists of a thin brass disk of radius r = 17.61 cm and mass 1.177 kg that is attached to a long thin rod of negligible mass. The pendulum swings freely about an axis perpendicular to the rod and through the end of
asked on November 9, 2019 
Physics
Oxygen has a molar mass of 32 g/mol. If 12 moles of oxygen are in a 0.1m3 container with an rms speed of 480 m/s, what is the pressure of the gas? I don't understand what I'm doing wrong Im using p=nM(vrms^2)/3V and im getting 2.9E8? someone pls explain
asked on November 26, 2019 
Physics
Oxygen has a molar mass of 32 g/mol. If 12 moles of oxygen are in a 0.1m3 container with an rms speed of 480 m/s, what is the pressure of the gas? I don't understand what I'm doing wrong Im using p=nM(vrms^2)/3V and im getting 2.9E8? someone pls explain
asked on November 28, 2019 
Physics
Cooling of an electronic power transistor is assisted by attaching it to an aluminium heat sink. The electrical power to be dissipated is 0.3 watts, the exposed surface area of the heat sink is 0.001m2, the convection heat transfer coefficient is 6.0
asked on March 3, 2020 
Physics
Two mirrors of a laser separated by 8.0 cm form an optical cavity in which standing waves of laser light can be set up. Each standing wave has an integral number n of half wavelengths in the 8.0 cm length, where n is large and the waves differ slightly in
asked on February 5, 2020 
Math
can someone explain how to do this problem. This is for complex numbers & exponential. write given problem in form a+bi e^((5e)^(i*pi/3))
asked on January 29, 2020 
Physics
There are about 200,000 glaciers in the world, covering 726,000 km2 with an average thickness of several hundred meters. In the process of global warming, the glaciers are slowly melting. Estimate the rise of the average sea levels in case they are all
asked on November 23, 2019 
physics
At time t, r^=4t^2 i^(2t+6t^2)j^ gives the position of a particle of mass m relative to the origin of an xy coordinate system Find an expression for the (a) x, (b) y, and (c) z components of the torque acting on the particle relative to the origin.
asked on November 4, 2019 
Physics
At time t = 0, a particle of mass m has position vector (r^=4i2j^ ) relative to the origin, in meters. For t ≥ 0, its velocity is given by v^=6t^2i^+4j^.Find expressions of the z component of (a) the particle's angular momentum and (b) the torque
asked on November 4, 2019 
Math
The volume of an aquarium for one fish is 384 cubic inches. The height of the aquarium is 6 inches. The base is a square. What are the dimensions of the base?
asked on January 8, 2017

Math
its saying that this answer is wrong, i tried to redo it with ur steps, and use exact values. It saying it's wrong.
posted on January 30, 2020 
Physics
Thank you for help, I’m not at MIT I’m studying engineering tho.
posted on November 5, 2019