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A 74.6-kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11.8 m, and falls a total of 34.0 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies.
Calculate the maximum acceleration experienced by the jumper.
A magnetic field of magnitude 0.38 T is directed vertically upward, Find the magnetic flux through a flat surface of area 22 cm2 if the surface is horizontal
You push on the chair with a force of = 37.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor. Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.
A projectile is launched from a high plateau so that it just clears a cliff's edge and falls to the valley floor below. How far from the cliff's edge was the projectile launched
q1. a uniform solid ball rolls smoothly along a floor then up a ramp inclined at 20.4o. it momentarily stops while it
In a television tube, electrons travel down the tube and strike the fluorescent material at the end of the tube. What is the acceleration of an electron during this process
A camera lens has a focal length of 215 mm, How far from the lens should the subject for the photo be if the lens is 21.9 cm from the film
After being accelerated to a speed of 1.76×105m/s , the particle enters a uniform magnetic field of strength 0.800T and travels in a circle of radius 35.0cm, Find the ratio m/q for this particle
Light of wavelength 380 nm is incident on the face of a silica prism at an angle of 1 = 64.2 (with respect to the normal to the surface). Find the angle between the incident and emerging rays
Two small beads having positive charges 2q and q are fixed at the opposite ends of a horizontal insulating rod, At what position is the third bead in equilibrium
An electron of kinetic energy 1.56 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 21.8 cm. determine the circling frequency
Suppose the projectile is traveling 85.0 m/s at its maximum height of y = 272 m. Explain how much work has been done on the projectile by air friction?
Two, concentric, thin spherical shells of radii R1 = 28.3 cm and R2 = 35.4 cm are uniformly charged with a total charge Q1 = -63.5 ?C, What is the potential of the outer shell
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