Calculate the momentum of the bullet
A 31 kg gun is standing on a frictionless surface. The gun ?res a 55.9 g bullet with a muzzle velocity of 301 m/s.
The positive direction is that of the bullet.
Calculate the momentum of the bullet immediately after the gun was ?red.
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The first step in calculating the inductance of a coil is to invent an amount of current flowing through the coil. Suppose that a current of 6.00 is flowing through the wire of the toroid; what is the coefficient of 1/ in the proper expression for
A jogger jogs around a circular track with a diameter of 325 m in 15 minutes. What was the jogger's average speed in m/s?
The sound level measured in a room by a person watching a movie in a home theater system varies from 65 dB during a quiet part to 95dB during a loud part. Approximately how many times louder is the latter sound?
A 4.0-N force acts for 3.0 seconds on an object. The force suddenly increases to 15 N and acts for one additional second. What total impulse was imparted by these forces?
What is known to help the spread of pathogens from one person to another especially in hospitals and outpatient settings?
At what position (from the less massive object) can the 270-kg object be placed so as to experience a net force of 10 N towards the less massive object?
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. (a) Find the current density of these protons. (b) If Earth's magnetic field did not deflect the protons, what tot
A large fake cookie sliding on a horizontal surface is attached to one end of a horizontal spring with spring constant k = 390 N/m; the other end of the spring is fixed in place. The cookie has a kinetic energy of 20.5 J as it passes through the
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