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the engine delivers 255 horsepower to an aircraft propeller at 2780 rpma determine how much torque does the aircraft
you need to design an industrial turntable that is 515 centimeter in diameter and has a kinetic energy of 0240 joule
determine the required angular speed of an ultracentrifuge for the radial acceleration of a point 212 centimeter from
on average venus is 072 au from the sun and its surface temperature is 735 k determine how much of this is due to venus
at perihelion closest approach to the sun mercury is 031 au from the sun find how hot it gets on mercury when the sun
a fisherman notices that his boat is moving up and down periodically without any horizontal motion owing to waves on
if a 20 omega resistor and a 300 omega resistor were connected in a series find what single resistor could be used as a
a metal rod 6 meter long is held in a horizontal position an object with mass 280 kilogram is suspended from a light
determine the emf generated in a coil with 12 turns of wire and an area of 130 m2 that was initially at rest in a
1 if in joules paddlewheel experiment a block of mass 10 kilogram is allowed to fall through 225 m and the mass of the
an atomic nucleus of mass m1 m is moving to the right at 400 meter per second toward another nucleus of mass m2 2m
determine the magnetic force on a 350 meter current carrying wire that is parallel to the field lines of a 230 t
an alpha particle he2 with a velocity of 26e6 meter per second crosses a uniform magnetic field at an angle of 37o to
an internal explosion breaks an object initially at rest into two pieces one piece m1 is 2 times more massive than the
old style dimmers consisted of variable resistor so you could dial in more resistance to lower the current and hence
a proton is confined to a nucleus that has a diameter of 52 x 10-15 meter if this distance is considered to be the
the kinetic energy of a particle is equivalent to the energy of a photon the particle moves at 48 percent of the speed
when light with a wavelength of 262 nanometers is incident on a certain metal surface electrons are ejected with a
an x-ray photon of energy 1240 ev is scattered by a stationary electron the scattered photon makes an angle of 35
compute the point between venus and the sun at which an object can be located therefore that the net gravitational
when monochromatic light shines perpendicularly on a soap film n 133 with air on each side the second smallest nonzero
an electron jumps from the 4th orbit into 3rd orbit of 3li7i determine the radii of both orbitsii find the energies of
a 560 kilogram crate attached to a cable is rising upward and slowing down the magnitude of its acceleration is 14 ms2
a box weighing 52 newton slide across the floor the floor exerts a friction force of 17 newton on the box find
at a certain instant a 4 kilogram object is sliding eastward at a speed of 15 meter per second propelled by an eastward