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The far point of a nearsighted person is 5.1 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 15.9 m away and 1.8 m high.
(a) When she looks through the contacts at the tree, what is its image distance?
(b) How high is the image formed by the contacts?
a worker drags a 310 kg crate at a constant velocity of 3 m/s, across a factory floor by pulling on a rope tied to the crate. What is the acceleration of the crate
A 9410-kg car is traveling at 29.7 m/s when the driver decides to exit the freeway by going up the ramp. compute the Magnitude of the average drag force exerted on the car?
At what rate does the Sun radiate energy, given that it is essentially a spherical blackbody with 6.96x10^8m, Use appropriate astronomical data to find the solar radiation per unit area at Earth's orbit
Blocks with masses of 2, 3, and 5 are lined up in a row on a frictionless table. All three are pushed forward by a 59 force applied to the 2 block. How much force does the 3.00 kg black exert on the 5 kg block.
Y You own an 800 kg 4WD truck and you decide to go help a friend who got stuck on a steep snowy mountain road in his 400 kg Porche. What is the acceleration of each vehicle
A long, current-carrying solenoid with an air core has 1670 turns per meter of length and a radius of 0.0194 m. What is the mutual inductance of this system?
Two automobiles, each of mass 1000 kg, are moving at the same speed, 21 m/s, when they have an inelastic collision. In what direction and at what speed does the wreckage move if one car was driving north and one east?
Two similar guitar strings have the same length and mass, but slightly different tensions, If the beat frequency is 1.5 Hz, what is the ratio of the tensions of the two strings
An open container holds ice of mass 0.595kg at a temperature of -13.5 celcius . The mass of the container can be ignored. How much time passes before the ice starts to melt
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
A 1.7kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings, What is the turntable's angular velocity, in rpm, just after this event
Three point charges are arranged along the x axis. Charge q1=-4 nC is located at x=0.240m and charge q2=2.10 nC is at x=-0.350m, What is the direction of the net force on q3
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