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You fly from Boston's Logan Airport, at sea level, to Denver, at an altitude of 1.6 km. Take your mass as 65 kg and the zero of potential energy at Boston. What is your gravitational potential energy at the plane's 13-km cruising altitude? What is your gravitational potential energy in Denver?
A double concanve lens has equal radii of curvature 15.1 cm. What is the index of refraction of the lens material
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.220 s, elucidate what is the average force exerted on the ball by the wall?
What equation is used to get the energy density between plates if we are given the electric field (V/m), area of capacitor (m^2) and separation of plates (mm)
a 0.0017 t magnetic field and a 5.7 103 nc electric field both point in the same direction. a positive 2.0-mc charge
A husband and wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed ..
Charges 6.8 ?C, 6.1 ?C, and -1.5 ?C are brought from infinity to the respective vertices of an equilateral triangle with 11.0 cm sides. What is the potential at the center of the triangle
to determine the maximum possible work that a heat engine could produce one must assume that there isa no change in
find frequencies of vibration of the piano wire. Car 1 has 3 times the mass of car 2, but only 0.5 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.
A 20.0 kg box rests on a table. What is the weight of the box and the normal force acting on it
a boy is laying on a sled wich is on an ice covered hillinclined at an anlge of 15 degrees if the boy and the sled have acombned mass of 54kg what is the force pulling them down the hill
According to present theories of light, in some experiments light seems to be: 1)composed of particles which can neither be created nor destroyed. 2)a particle whose quantized energy depends on its velocity. 3)a wave that moves from one place to anot..
A submarine (sub A) travels through water at a speed of 10.00m/s, emitting a sonar wave at a frequency of 1500 Hz. find the sound velocity in this water
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