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The owner of a van installs a rear-window lens that has a focallength of -0.299 m. When the owner looks out through the lens at a person standing directly behind the van, the personappears to be just 0.236 m fromthe back of the van, and appears to be 0.337 m tall.
a) How far from the van is the person actually standing?b) How tall is the person
A telescope is used to observe two distant point sources transversely 2.50 {\rm m}apart with light of wavelength 600 {\rm nm} .The objective of the telescope is covered with a slit of width0.350 {\rm mm} .
Suppose the ray, in air with n = 1.00, enters a slab with n = 2.37 at a 37.4° angle with respect to the normal, At what angle to the normal does the ray leave the slab
A 2900 kg truck traveling northat 40 km/h turns east and acceleratesto 51 km/h. What is the change in the truck's kinetic energy
A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 2.80 104 N/m. how far has the spring been compressed
q1. a 3000-kg blue truck travelling east collides and sticks to a 4000-kg orange truck travelling with a speed of 7.3
The former is on the left in contact with air and the other in contact with a liquid of index 1.4 The refractive index of the glass is 1.50. Find the positions of the foci, principal planes, and focal length of the system.Use the matrix approach
An engine flywheel initially rotates counterclockwise at 5.39 rotations per second. Then, during 21.3 seconds, its rotation rate changes to 2.11 rotations per second clockwise. Find the flywheel\'s average angular acceleration (including its sign) in..
an elementary particle of mass m completely absorbs a photon after which its mass is 1.01m.a what was the energy of the
a horizontal 30-cm-long conducting rod is rolling along two insulating rails that are parallel to the x-axis. the rod
a 1.50-h inductor is connected in series with a 200nbspomega resistor through a 15.0-v dc power supply and a switch. if
A bottle made of ordinary glass has an internal volume of 1.0000 liter at 20.0 oC, At what temperature ( inoC, enter deg in the answer box) will water begin to overflow the bottle
The earth is 1.49*10^11 meters from the sun. If the solar radiation at the top of the earths atmosphere is 1340 W/m^2, what is the total power output of the sun
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