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The image created by a spherical mirror of an object of height 0.42 meter has a height of -0.92 meter and an image distance of 7.3 meter. Evaluate how far is the object in front of the mirror?
an olive is at the bottom of a glass of alcohol n 1.36 5.21 cm beneath the surface. above the alcohol is air. to a
An object is dropped from rest from a height of 4.36E+6 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth
two speakers with amplitude a each are on an axis are seperated by 10cm. a microphone is put at some distance on the
A 1.2 kg block rests on a frictionless surface and is attached to a horizontal spring of constant k = 25 N/m. The block is oscillating with amplitude 10 cm and with phase constant? = -π/ 2 . A block of mass0.80 kg is moving from the right at 1.7 m/s.
Long Straight Wire A long straight wire has fixednegative charge with a linear charge density of -3.1 nC/m. The wire is to be enclosed by a thin,nonconducting cylinder of outside radius 1.6 cm, coaxial with the wire.
A 0.48 m long guitar string, of cross-sectional area 1.0 10-6 m2, has Young's modulus Y = 1.90 109 N/m2. By how much must you stretch the string to obtain a tension of 30 N
A 21.3 kg object is pushed down a 26.3 cm long inclined plane that makes an angle of 15.7 degrees with the horizontal at a constant velocity. If the coefficient of kinetic friction is 0.35, then what is the work done by friction on the object? Assume..
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
air is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of 0.01 m2.
suppose that a block sliding with positive velocity v on a horizontal surface experiences a drag force fv-f0ekv where
a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 290 kmh in a semicircular arc
a near-sighted person might correct his vision by wearing diverging lenses with focal length 55 cm. when wearing his
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