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A proton having an initial velocity of 23.7i Mm/s enters a uniform magnetic field of magnitude 0.270 T with a direction A perpendicular to the proton's velocity. It leaves the field-filled region with velocity -23.7j Mm/s. Determine the direction of the magnetic field. i -j k -i -k j Determine the radius of curvature of the proton's path while in the field, m Determine the distance the proton traveled in the field, m Determine the time interval for which the proton is in the field.
A cannonball is launched from ground level and lands at ground level. If it is launched with a speed of 76.2 m/s and stays in the air for 6.4 s, What angle was the cannon shot at
light of wavelength 5.0 x 10 ^-7 meter in air hits a double slit. Distance between slits is 4.0 x 10^-4 m Distance to screen is 2.0 m, Determine wavelength of light in water
The peak wavelength for the blackbody radiation from a star corresponds to an energy of 2.92x10^ -19 J. what is the temperature of the star at the surface
A 720g , 42-cm-long metal rod is free to rotate about a frictionless axle at one end. What is the rod's angular velocity immediately after the blow
What are the magnitude and direction of an electric field that will cause the electron to continue to move horizontally? Ignore gravity. Calculate the radius of the electron's path in the magnetic field.
an electric flux of 141 n.m2c passes through a flat horizontal surface that has an area of 0.72 m2. the flux is due to
A weather vane initially at rest has a moment of inertia of 0.122 kg · m2 about its axis of rotation, Find the angular velocity of the weather vane just after it is struck
A gold prospector finds a solid rock that is composed solely of quartz and gold. Find the mass of the gold in the rock
An electron orbits a proton at a radius of 5.42 10-11 m. What is the magnitude of the magnetic field at the proton due to the orbital motion of the electron?
The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy.
The middle C string on a piano is under a tension of 744 N. The period and wavelength of a wave on this string are 3.82 10-3 s and 1.26 m, respectively. Find the linear density of the string.
What energy is released (in MeV) during a reaction in which 1.67 x10^-25 kg of material is converted to energy?
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