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If a block of wood floating on a pool of water has a volume of 37 cm3anddisplaces a volume of waterof 30 cm3, what is the densityof the wood? Show your work.
A liquid with density of 1.65 x10 cubed kg/m cubed flows through 2 horizontal sections of tubing joined end to end. in the first section, the cross-sectional area is 10 cm2.
A 0.060 kg handball is thrown straight toward a wall with the speed of 14 m/s. It rebounds straight backward at a speed of 6.5 m/s. If the ball is in contact with wall for 3.0 ms, what average force is exerted on the wall by the ball.
Calculate the positron and electron beam energy needed to create a Higgs boson (mass 125GeV) in the CMS system
Batteries are rated in terms of ampere-hours (A · h). For example, a battery that can produce a current of 3.00 A for 5.00 h is rated at 15.00 A · h.
Vector A has a magnitude of 7m and makes an angle of 58o with the positive x axis. Vector B also has a magnitude of 7 m and is directed along negative x axis. Enter your answers in distance then angle (in degrees).
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
A friend is working on a biology experiment and needs to make an electric field of magnitude 460 {rm N/C} at a distance of 10 {rm cm} from the central portion of the large nonconducting square plate 5.2 {rm m} on each side.
A block starts with a certain speed at the top of a frictionless inclined plane with an unknown angle to the horizontal. To calculate the time required for the block to reach the bottom of the plane.
A 14.2-g piece of Styrofoam carries a net charge of -0.69 µC and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface. What is the charge per unit area on the plastic..
Illustrate what is the total amount of Construction Expenses that Seasons will recognize for the year ended December 31, 2011?
what is the direction of its velocity relative to the frame of reference.
What is least amount of work required by an external force
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