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A spring stretches 3.5-cm when a 5-g object is hung from it. The object is replaced by a block of mass 24 g that oscillates in simple harmonic motion. Compute the period of motion.
Brianne's heart is beating at 76.0 beats per minute. Calculate the frequency of her heart's oscillations in Hz
A baseball is hit so that it travels straight upward after being struck by the bat. Find the ball's initial velocity in m/s upward
a spring is hanging vertically from a ceiling. assume the springs mass is negligible. i hang a 0.5kg mass on the spring
a particle is projected up a plane that makes a 25deg angle with the horizontal. if initial velocity is 15 ms and
You have a solid conducting sphere (radius A, net charge -2Q) surrounded by a conducting spherical shell (inner radius B, outer radius C, net charge +3Q). What is the electric field everywhere
A 21cm length of 0.30mm diameter nichrome wire is welded into a circular loop. What is the induced current in the loop
A 2000 kg truck traveling north at 41 km/h turns east andaccelerates to 57 kn/h. What is the change in thetruck’s kinetic energy? What is the magnitude of the change in the linear momentum of the truck (kg m/s)? What is the directionof the change in ..
Neutron stars are so named because they are composed of neutrons and have a density the same as that of a nucleus. find the radius of a neutron star
an artillery shell is fired with an initial velocity of 300 ms at 52.5deg above the horizontal. to clear an avalanche
It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, and all its kinetic energy is converted into heat via friction. Find the minimum speed of a lead bullet (initial temperature = 39.0° C) for..
A 20 g block of aluminum is at 370 degrees C after 1,130calories have been transferred to it. What was the original temperature
q1. a steel wire with mass 20.8 g and length 1.09 m is strung on a bass so that the distance from the nut to the bridge
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