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A spaceship of mass 2.3×10^6kg is cruising at a speed of 6.0×10 ^6m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.8×10^5kg , is blown straight backward with a speed of 2.3×10^6m/s . A second piece, with mass 8.2×10^5kg , continues forward at 1.0×10^6 m/s .
What is the speed of the third piece?
What is the direction of the third piece?
how long does it take the engine to lift the crate a vertical distance of 19.8 m? Friction in the system is negligible.
While eating lunch with friends Diana spots her boyfriend having lunch, and having a good time with, How fast must Diana through the apple so that it hits her boyfriend
Two large, non-conducting plates with the indicated area charge densities are suspended 3.67 cm apart, What volume of the air in region B (between the plates) stores an equal amount of energy
A bungee cord is stretched between two poles with a force of 390 N. What is the velocity of a wave on this bungee cord
a person who weighs 800 N is squatting on a scale. Suddenly he stars jumping, extending his legs as quickly as possible, so that he can ump into the air. as the person is in the process of jumping (accelerating upward) the reading of the scale is ..
Two polarizers are oriented at 48° to each other and polarized light incident on them. what was the initial polarization direction of the incident light
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 20000 V. The speeds of the electrons are quite large.
A compass originally points North; at this location the horizontal component of the Earth's magnetic field has a magnitude of 2e-5 T. What is the magnetic dipole moment of the bar magnet
A Geiger counter consists of a tube of radius r and legnth L centered around a positively charged filament of equal length. What answer do you get for the linear charge density of the filament if you approximate its length to be infinite
The 3.3 kg piece of wood slides on the surface. The curved sides are perfectly smooth, but the rough horizontal bottom is 35 m long and has the kinetic friction coefficient of 0.24 with the wood. The piece of wood starts from rest 6.0 m above the rou..
What is the speed of the arrow as it leaves the bow.
If you were on a spaceship traveling a 0.5c away from a star, at what speed would the starlight pass you
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