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A concave mirror has a radius of curvature of 13.4 cm. If a pointlike object is placed 8.31 cm away from the mirror on its principal axis, where is the image? Take a positive answer to be in front of the mirror, and a negative answer to be behind the mirror.
(a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in 2.18 µs. i only need help with c please. I have rechecked my calculations and am..
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. What is the change in the entropy of the water-steam mixture at 100C
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, that of the second is 36° from vertical, What light intensity emerges from the third filter
A uniform block of height 0.330 m, floats in glycerin of density 1260 kg/m3. The bottom of the block is 0.2748 m below the surface of the glycerin. Illustrate what is the density of the block?
2kg block located on an incline plane with an angle of 60 degrees. the Force is a horizontal force. What is the normal force exerted on the block
a student calculates the unknown liquid to have a density of 0.87 gcm3. if the class average for the density of the
a carnot engine operates with an efficiency of 23.0 when the temperature of its cold reservoir is 274 k. assuming that
If the heat necessary to warm 855 g of water from a temperature of T1 = 24.0 °C to T2 = 80.0 °C were somehow converted to translational kinetic energy of this amount of water
by how much will the volume of coolant in an automobile radiator increase when its temperature increases by 130 cdeg
Two ice skaters, with masses of 50.0kg and 75.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink. If the heavier skater reaches the edge in 40.0s , how long does..
questiona girl of mass mg is standing on a plank of mass mp. both are initially at rest on a frozen lake that
Light of wavelength 5.30 102 nm passes through a slit of width 0.210 mm. Determine the width of the first-order bright fringe
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