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A large cruise ship of mass 6.70 ? 107 kg has a speed of 11.0 m/s at some instant.
(a) What is the ship's kinetic energy at this time?
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(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.)
(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.80 km?
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What is the resulting angular speed, wf, of the platform and By how much is the kinetic energy of the system increased? (Think about where this increase in energy comes from!)
a projectile is fired with an initial velocity of 35 m/s at an angle of 30 degrees above horizontal of a 30 feet tall building. find (a) the max height of the projectile
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Sound is considered an electromagnetic wave. The electric field in an electromagnetic wave is parallel to the magnetic field. An accelerating reference frame is considered as an inertial reference frame. In the photoelectric effect, light acts like a..
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 μC and each charge experiences an electrostatic force of magnitude 85.0 N when the separation between them is .270 m. Find q1 and q2.
calculate the electric field at the center of a square 53.0 cm on a side if one corner is occupied by a 48.0 microc
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A parallel-plate capacitor with vacuum between its horizontal plates has a capacitance of 26.0 µF. A nonconducting liquid with dielectric constant 6.60 is poured into the space between the plates, filling up a fraction f of its volume.
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