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A 210 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.400 s. If the total energy of the system is 3.50 J.
(a) Find the force constant of the spring
(b) Find the amplitude of the motion.
In reaching her destination, a backpacker walks with an average velocity of 1.05 m/s, due west. How far did she walk
a 2.1mm -diameter glass bead is positively charged. the potential difference between a point 2.5mm from the bead and a
a point charge of 2.9 micro-coulombs is placed next to an infinite sheet with a surface charge density of 7.8
An object with mass m1 = 2 kg traveling east at v1i = 2.8 m/s strikes an object with mass m2 = 3 kg traveling at v2i = 2 m/s in a direction q = 118° counterclockwise from the east. After the collision, the first object rebounds at v1f = 2.8 m/s in..
An athlete swings a 4.90 kilogram ball horizontally on the end of a rope. The ball moves in a circle of radius 0.990 meter at an angular speed of 0.560 rev/s. Determine what is the tangential speed of the ball
A block of mass m slides without friction down a looped track. determine from what minimum height must it be released
a girl is sledding down a slope that is inclined at 30ordm with respect to the horizontal. the wind is aiding the
The frequency range for a telephone is between 500 Hz and 4000 Hz. Why does a telephone not do a very good job of transmitting music?
Two small frogs simultaneously leap straight up from a lily pad. Frog A leaps with an initial velocity of 0.726 m/s, while frog B leaps with an initial velocity of 1.62 m/s
Show that the incident and scattered electric fields form a standing wave normal to the surface and a propagating wave parallel to the surface. What are the periods of the standing and propagating waves if the incident wavelength of the light is l..
(a) How far do the masses fall before coming to a stop?
the driver of a 1720kg car traveling on a horizontal road at 116kmh suddenly applies the brakes. due to a slippery
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