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Two plane mirrors stand facing each other, 3.23 m apart, and a woman stands between them. The woman faces one of the mirrors from a distance of 1.30 m and holds her left arm out to the side of her body with the back of her hand facing the closer mirror.
(a) What is the apparent position of the closest image of her left hand, measured perpendicularly from the surface of the mirror in front of her? m behind the nearest mirror.
(b) What is the position of the next closest image? m behind the nearest mirror.
(c) What is the position of the third closest image? m behind the nearest mirror.
An object moves with constant acceleration 3.30 m/s2 and over a time interval reaches a final velocity of 10.4 m/s. If its initial velocity is 5.2 m/s, what is its displacement during the time interval
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.60 10-10 T. How much energy does this wave carry through the window
Consider a glass sphere of radius 2.0 mm with an index of refraction of 1 .50. Find the image distance of this lens
An electron moves in the positive x-direction a distance of 2.31 m in 2.85·10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.53 m in 3.33·10-8 s.
You need to make a series ac circuit having a resonance angular frequency of 1550rad/s using a 142 ohm resistor, a 10. microF capacitor, and an inductor. What should be the inductance of the inductor
A playground is on the flat roof of a city school, 5 m above the street below (see figure). The vertical wall of the building is h = 6.50 m high, Find the speed at which the ball was launched
At t=0 a grinding wheel has an angular velocity of 24.20 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds.
A vertical wall (7.2 m 2.8 m) in a house faces due east. A uniform electric field has a magnitude of 150 N/C. What is the electric flux through the wall
A 3.50-kg ball, moving to the right at a velocity of +2.72 m/s on a frictionless table, Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic
Two narrow slits separated by 0.51 mm are illuminated by monochromatic light of wavelength 670 nm. How many bright fringes can be seen on a screen 1.3 cm wide placed 1.1 m in front of the slits.
A heat engine with an efficiency of 35% performs 160j of work, how much heat is discharged to the lower temperature
Ramon has a coherent light source with wavelength 579 nm. What is the minimum width of the screen if Ramon wants to display four interference maxima
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