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One of those Civil War Cannons is fired. The cannon has a mass of 875 kg. It fires a 35 Kg cannon ball at a velocity of 145 m/s at an elevation of 350. The length of the barrel is 2.10 m.
What is the force exerted on the cannon ball? The force of the gunpowder on the ball while the ball is inside the barrel.
a solid disk is released from rest and rolls without slipping down an incline plane that makes an angle of 25degrees
Liquid water extinguishes a flame two ways one by absorbing much of the heat that the fire needs to sustain itself and two by wetting, which block oxygen from reaching the burning material.
a radioactive nucleus at rest decays into a second nucleus an electron and a neutrino.the electron and neutrino are
A helicopter 9.00m above the ground and descending at 4.10m/s drops a package from rest (relative to the helicopter). find the y-component of the velocity of the package
A spring (k=100N/m) is squished x=.40 m with a mass m=1 kg held against it. With what speed v does the mass exit the rough region
A person in a boat sees a ?sh in the water of index 1.33 at an angle of 54 degrees relative to the water's surface. What is the true angle relative to the water's surface
A 500 turn solenoid with a length of 20 cm and a radius of 3.0 cm carries a current of 3.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find when the curre..
Two small spheres have a mass 9.0g and having an electric charge q are suspended by a length of 32cm. Find Electrical Charge in C, Conducting rod 21.0 cm bent into semicircle. Linear density -5.20 * 10^-8 C/m. Find Electrical Potenial at the center..
An object is moving so that its kinetic energy is 139 Joule and the magnitude of its momentum is 41.1 kg•m/s. Evaluate what is the speed of the object
the two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 rm nm red and 486 rm nm
Picnickers see a lightning flash and hear the resulting thunder 9.5 s later. If the storm is traveling at a rate of 19 km/h, how long, in minutes, do the picnickers have before the storm arrives at their location?
A converging lens of focal length 7.930cm is 16.6 cm to the left of a diverging lens of focal length -6.0cm. A coin is placed 12.60cm to the left of the converging lens. Determine the location of the coin's final image.
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