The Milky Way galaxy rotates about its center with a period of about 206 million years. The Sun is 2 1020 m from the center of the galaxy. How fast is the Sun moving with respect to the center of the
Hi, if someone could help me set this up with an equation I would be delighted. I have tried to use q=mc/delta T, and I dont know if this is correct, because I am getting the wrong answer. Im not aski
A 10.2-g iron bullet with a speed of 300 m/s and a temperature of 20.0° C is stopped in a 0.500-kg block of wood, also at 20.0° C.
(a) At first all of the bullets kinetic energy goes into the internal
I need the formulas for change in height,potential energy at release Ep,kinetic energy Ek, the work input and thework output! please give me thse formulas!! i have a lab due tommorow and i need the fo
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that i
the coefficient of kinetic friction between a 780-newton crate and a level warehouse floor is 0.200. calculate the magnitude of the horizontal force required to move the crate across the floor at a co
Two bricks lie on the ground, one laying the flat on the ground and one standing up. Are both of these bricks exerting the same force upon the ground?-Yes, assuming they have the same mass. The normal
Isnt it like saying why is circumference of a circle divided by its diameter a number Pi?
Its because it just is!
Could that not be why the constants are a certain number?
Problem solved!-You might
i read in my book that resonance takes place when the frequency of the applied force is equal to the natural frequency of the spring-damper-mass system at a phase angle of 90 between the displacement
Say, if I annihilated 1kg of matter with 1kg of antimatter, did I release 1 or 2kg worth of mass energy?-You would release 2kg worth of energy.The equation makes no assumption regarding the type of ma
1.A current-carrying wire wrapped around an iron ore is called a(n) ____.(1 point)
generator
conductor
transformer
electromagnet
2.Changing the current changes the ____ of an electromagnet.(1 point)
s
If so, how? Im just wondering in relation to newtons laws of motion. Such as, an object will remain in its state of motion w/o an external force. Well, is it possible for that to be exactly simulated?
A 75g ice cube at 0 degree celcius is placed in 825 g of water at 25 degree celcius. What is the final temperature of the mixture.
specific heat of water = 4186 j/kg
Latent heat of water 3.33 x 10^5
Two bricks lie on the ground. One is laying flat on the ground and another is sitting straight up. Are both of these bricks exerting the same force upon the ground? If so how?
I know that the amount
Hey not really sure where to start on this problem. I know you either use four-momentum or classical conservation of energy and momentum. Any ideas?-Quantitatively or qualitatively? A photon cannot pr
