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A huge 4.3 F capacitor has enough stored energy to heat 3.9 kg of water from 20°C to 95°C. What is the potential difference across the plates?
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. what is the mass of the lead block
calculate the ratio of the drag force on a passenger jet flying with a speed of 1100 kmh at an altitude of 10 km to the
At 28.0 m below the surface of the sea (density = 1 025 kg/m3), what is the volume of the bubble just before it breaks the surface
A box rests on top of a flat bed truck. The box has a mass of m = 18.0 kg. The coefficient of static friction between the box and truck is ?s = 0.82, what is the frictional force the truck exerts on the box
A 78 kg diver steps off a 11 m tower and drops from rest straight down intothe water. If he comes to rest 4.3 mbeneath the surface, determine the average resistance force exertedon him by the water.
This time, assume that there is friction between the wheels and the road (rolling friction, specifically), but that the coefficient of friction is the same for the two cars. Neglect air resistance, and effects related to rotation of the wheels.
A block of unknown mass is attached to a spring of force constant5.00 N/m and undergoes simple harmonicmotion and an amplitude of 10.0 cm. Determine the maximum acceleration of the block
You are tasked with putting together the schedule for a new subway line. How much time should you budget for the travel of a train
Determine the required angular speed of an ultracentrifuge for the radial acceleration of a point 2.12 centimeter from the axis to equal 425,000 gram
A television broadcast antenna is located at the top of a steep tall mountain. The television station broadcasts by a power of4.00 kilowatts at a frequency of 180.0 MHz. (rms =“Root Mean Square"= square root of the average value of a function squared..
An object has a weight of 0.882 Newton. It is suspended from a scale, which reads 0.735 Newton when the piece is submerged in water. Determine the volume and density of the piece of metal
A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, respectively. Estimate the maximum height the ball reaches
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