What is the spring constant k of this elastic cord
An elastic cord is 67 cm long when a weight of 58 N hangs from it but is 86 cm long when a weight of 78 N hangs from it. What is the "spring" constant k of this elastic cord?
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How does William Henry Seward expand the antislavery argument beyond the moral appeal of the abolitionists?
The surface of the water 2.50 m from the point directly above the flashlight. What angle (in air) does the emerging ray make with the water's surface?
Two particles are fixed on an x axis. Particle 1 of charge q1=2.3x10-8 C at x=20.0 cm and particle 2 of charge q2= -4.50q1 at x=70 cm. At what coordinate (i.e., x value) on the axis is the net electric field produced by the particles equal to zero
An 9.00 {rm kg} point mass and a 15.0 {rm kg} point mass are held in place 50.0 {rm cm} apart. A particle of mass m is released from a point between the two masses 19.0 {rm cm} from the 9.00 {rm kg} mass along the line connecting the two fixed mas
In a performance test, each of two cars takes 9.0 s to accelerate from rest to 27 m/s. Car A has a mass of 1400 kg, and car B has a mass of 1900 kg. Find the net average force that acts on each car during the test.
A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 124 m. How fast is she going when she reaches the bottom?
Explain the primary characteristics of counterterrorism and counterinsurgency. Explain their role and function in the Global War on Terror (GWOT).
In a 25.0 set, the ghost is about 1.00 to the right of the principal image if the reflected signal arrives 0.800 after the principal signal.In this case, what is the difference in the distance traveled by the two signals?
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