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1. The amount of electric power used by a lamp that has a resistance of 23.0 Ohms and is connected to a 31.0 Volt battery is watts.
2. A local FM radio station broadcasts at a frequency of 99.0 MHz. What is the wavelength, in meters, of the electromagnetic waves produced?
A student sits on a rotating stool holding two 2.6-kg objects. When his arms are extended horizontally, the objects are 1.0 m from the axis of rotation and he rotates with an angular speed of 0.75 rad/s. Find the new angular speed of the student
A placekicker must kick a football form a point 36.0 (about 40 yards) from the goal. By how much does the ball clear or fall short of clearing the crossbar
A 10 kg block is sitting motionless next to a spring that has a spring constant of 500 N/m. How far is the spring compressed while you are still holding it
The figure shows a thermodynamic cycle consisting of two constant pressure steps (A->B and C->D) connected by two constant volume steps (B->C and D->A). A heat engine operates according to this cycle using a diatomic ideal gas (f = 5).
A 55g ball of clay traveling at speed v 0 hits and sticks to a 1.3kg kg block sitting at rest on a frictionless surface, What percentage of the ball's initial energy is "lost"
A gardener pushes a box of tools across a driveway by applying a 20.5- N force that pushes downward at an angle of 34.9 o with respect to the horizontal
A wire has a diameter of1.7 mm and length of 1.3 m. If it's resistance is 15 m(Ohms), What is the restivity of the metal from which it is made
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 56 m horizontally, what is its horizontal displacement D from the launch point
A coil is wrapped with 282 turns of wire on a square frame with sides 12.2 centimeter. compute the average value of the induced emf
A satellite consists of a sphere of mass 1.00 x 10^3 with two spherical "ears" on retractable booms. The ears each have a mass of 50.0 kg. what will be the angular speed
solve the following problems. you must show all work for fullpartial credit. when complete attach a typed cover sheet
A clean and dry core sample weighing 425 g was 100% saturated with a 1.07 specific gravity brine, Calculate the porosity of the rock sample
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