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A large spool in an electrician's workshop has 80 m of insulation-coated wire coiled around it. What is the length of wire remaining on the spool
The Royal Gorge bridge over the Arkansas River is 310 m above the river. A 61-kg bungee jumper has an elastic cord with an unstressed length of 60 m attached to her feet. Assume that, Find the maxim
White light is incident normally on a thin soap film ( = 1.33) suspended in air. What are the two minimum thicknesses that will constructively reflect yellow ( = 577 ) light? Enter your answers in as
Two objects are connected by a light string that passes over a frictionless pulley, Find the magnitude of the accelerations of the objects
An airplane goes North with an average speed of 100m/s, What is the plane's velocity relative to the ground
An electron is launched at 3.20x10 6 m/s into a 6.30 T magnetic field. What is the diameter of its orbit, what is the magnitude of the force on the wire
Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, three have speed 2v, five have speed 3v, determine the pressure they exert on the walls of the ve
A parallel plate capacitor has an electric field between its two plates of 525,000 V/m. The two plates are 2.2x10-5 m apart. find the speed of the proton when it reaches the negative plate
A swimmer, capable of swimming at a speed of 1.99 m/s in still water, How far downstream will the swimmer be upon reaching the other side of the river
A soccer player kicks the ball toward a goal that is 27.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
A proton is suspended in a vacuum between two oppositely charged horizontal parallel plates. what is the charge of the larger sphere
Batteries are rated in terms of ampere-hours (A · h). For example, a battery that can produce a current of 3.00 A for 5.00 h is rated at 15.00 A · h. what is the value of the electrici
A metal sphere centered at the origin has a surface charge density that has a magnitude of 24.1 nC/m2 and a radius less than 2.00 m. What is the sign of the charge on the sphere
A rock climber throws a small first aid kit to another climber who is higher up the mountain. FIND the vertical height difference between the two climbers
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0, What is her average speed on the return trip
An airplane with a speed of 92.2 m/s is climbing upward at an angle of 37.7 ° with respect to the horizontal. determine the angle of the velocity vector of the package
If the Volume of the vessel is 20 then we know that the maximum amount of displaced fluid will be [v] units and when you place the vessel in the water there will be [u] units of fluid displaced, whic
Suppose the earth were made entirely of hydrogen and oxygen, with two atoms of hydrogen for each atom of oxygen. how long could the earth produce the same luminosity as the Sun
A horizontal force of with a magnitude of F = 220 N is applied to block 1, What is the magnitude of the net force on the middle block
The velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees NORTH of EAST. What is the velocity of the boat with respect to the ground
A football resting on the ground is kicked at an angle of 35.0° towards the uprights with an initial speed of 20.0 m/s
A light ray enters a glass slab at point A at an angle of 58.6° with respect to the surface normal, What minimum value for the index of refraction of the glass can be inferred from this
An electron is released from rest at a perpendicular distance of 9.6 cm from a line of charge on a very long nonconducting rod. What is the magnitude of the electron's initial acceleration
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. How far is the screen located from the slit
You illuminate a slit of width 0.0667 mm with light of wavelength 721 nm, What is the width, in centimeters, of the pattern's central maximum