Recent content by ChunkymonkeyI

  1. C

    Calculate Point Charge Force on Line Ab | Static Electricity Homework

    I am not can u please help me out :)
  2. C

    Calculate Point Charge Force on Line Ab | Static Electricity Homework

    Homework Statement Two points charges A(+10. uC) and b(+40.0 uC) are placed .2 m apart forming line ab. Calculate the force experienced by a point charge C(+10.0 uC) placed on line Ab, .06 m from A Homework Equations F=kq1q2/d^2 The Attempt at a Solution First I tried making a diagram...
  3. C

    Understanding Charge Separation in the Presence of Static Electricity

    Homework Statement What should happen to the electrons in a insulated metal object when a negatively charged plastic rod is brought near the insulated metal The Attempt at a Solution I thought the electrons will repel each other and the insulated object will move away from the rod...
  4. C

    Calculating Gasoline Needed for 50.0hp Heat Engine Output

  5. C

    Which Power Plant Emits More Heat: Nuclear or Fossil Fuel?

    Homework Statement Modern nuclear power plants have an overall efficiency of about 30%. Fossil fuel plants achieve overall efficiencies of 40%. Compare the rate of heat emission from a nuclear plant with that from a fossil fuel plant each of which produces an output power of 1000 MW...
  6. C

    Calculating Gasoline Needed for 50.0hp Heat Engine Output

    What equation
  7. C

    Calculating Gasoline Needed for 50.0hp Heat Engine Output

    Lol but I want to learn how to do the steps can u please show me them it's bothering me that I can't solve this physics heat engine problem pleaaaaaaaaaaase
  8. C

    Calculating Gasoline Needed for 50.0hp Heat Engine Output

  9. C

    Calculating Gasoline Needed for 50.0hp Heat Engine Output

    Homework Statement When gasoline(density=.7297 g/cm^3) is burned, it gives off 5.00 times 10^4 J/g(its heat of combustion). If a car's engine is 25% efficient, how much gasoline per hour must it burn in order to develop an output of 50.0hp. 1hp=746 W Homework Equations P=W/t e=W/Qh...
  10. C

    COP refrigerator vs COP Heat Pump

    Homework Statement I just want to know when do I use the formula for COP refrigerator vs COP Heat pump. If the heat is absorbing something then what formula do I use Homework Equations [b]3. The Attempt at a Solution [/b} Uh I just trying 2 figure out the concept so Idk how 2...
  11. C

    How to Calculate Wavelength of a Water Wave with Given Speed and Cork Movement

    Homework Statement There is a water wave having a speed of .25 meter per second that causes a cork to move up and down 4.0 times in 8 seconds what is the wavelength of the water wave Homework Equations v=f times wavelength T=1/f x=vt The Attempt at a Solution I used the formula...
  12. C

    Viscosity,Fluid flow and terimal velocity

    Homework Statement When does Fb(Buoyancy force) equal the drag force(FD)? and Fb+FD=Fg Homework Equations Fb=density of water times volume of water times 9.80 m/s^2 FD=6pi times viscosity times radius times v Fg=mg The Attempt at a Solution All ik is the solid has 2 be in the air...
  13. C

    Pressure, Buoyant Force problem

    This is what I did: Fa=Fw-Fb Fa=m(object)g-(density of fluid)(volume of fluid)(g) Fa=(Density of the object)(Volume of the object)(g)-(Density of fluid)(volume of the fluid)(g) Fa=g((density of object)(volume of the object)-(density of fluid)(volume of fluid)) m(a)=(density of...
  14. C

    Pressure, Buoyant Force problem

    Could u show each step if u don't mind because I'm getting the wrong answer for 3 times now and I think it would be helpful 2 c each steps
  15. C

    Pressure, Buoyant Force problem

    I still kinda don't get what ur saying can u show me ur work because I dervived Fw=Density of object times g times V and I made this equation equal to Fa plus 9800 times volume of the fluid and I really need help please