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The drawing exhibits a laser beam shining on the plane mirror which is perpendicular to the floor. The angle of incident of the beam is 30.0°.
Determine the least magnitude of the force which will succeed in lifting the wheel onto the curb if the force is exerted at the center of the wheel?
A tall tree is mounting across a river from you. You would like to recognize the distance among yourself and the tree, and also its height, however is not capable to make the measurements directly.
The floor of a rail-road flatcar is loaded with loose crates encompassing a coefficient of static friction of 0.25 with the floor. When the train is originally moving at a speed of 50 km/h, in how s
By using a ray diagram drawn to scale, determine the location of the image that this light generates in the concave mirror.
An object is positioned in front of the convex mirror. Sketch a convex mirror (radius of curvature 14 cm) to scale, and put an object 31 cm in front of it. Let the object height be 4 cm. By using a
A light is at the middle of the bottom of a swimming pool, 2 meters deep. Find out the diameter of the biggest circle on the surface of water via which the light can be seen?
A certain beam of light consists of a wavelength 438 nm in water and 400 nm in carbon tetrachloride. Determine (i) the index of refraction of carbon tetrachloride and (ii) the wavelength of light in
In an x-ray diffraction experiment, employing x-rays of wavelength lambda = 0.500 x 10^-10m, a first-order maximum take place at 5.00 degrees off the crystal plane. Determine the distance among the
An air bubble rises from the bottom of a lake 15 m deep. The temperature at the bottom of the lake is around 4 degree Celsius, and near the surface it is around 20 degree Celsius. Determine how many
Determine the work done by gravity throughout the collapse when the mass of the star is around 2.00 x 1030 kg. (The only force doing work on the system is gravitation; therefore the work done by grav
You place 80 moles of hydrogen gas in the balloon of volume 2.5 m^3 and determine the pressure to be 1.5 times atmospheric pressure. Find out the typical speed of the hydrogen molecule?
A balloon includes 3.0 moles of helium gas at normal atmospheric pressure (Patm - 1.01x10^5 Pa) and at room temperature (293 K). (i) Determine the volume of the balloon?
Supposing all the initial kinetic energy is transformed to heat energy and all the energy stays in the block; determine the final temperature of the block?
An ice-cube tray having 600 g. of water at room temperature is positioned in a freezer. It is found that the water becomes solid after 60 min. Determine the average rate at which heat energy flows o
The angular velocity of precession is around 5.77 rad/s Determine the speed of the center of mass throughout the precision?
When all of this heat flows out from the dog's fur, determine the outside temperature? Suppose that the dog consists of a surface area of 0.50 m^2 and that the length of the dog's hair is 1.0 cm.
A carpenter builds a house of length 15 m. out of wood. When the temperature changes by 5.0 deg. C., determine how much will the length of the house vary?
When the final image distance is around 28.0 cm from the eyepiece, determine the actual diameter of the red blood cell?
With the pebble on the block, the block oscillates with amplitude of 13.0 cm. (Suppose that the pebble is glued to the block.) (i) Determine the frequency of the motion?
A slit of width 0.18 mm is illuminated having monochromatic light of wavelength 510 nm, and a diffraction pattern is made on a screen 1.4 m from the slit. i) Determine the width of the central maxim
A very big thin plane had uniform surface charge density s. Touching it on the right is a long broad slab of thickness d having uniform volume charge density ?E. Find the electric field (i) to the l
An oscillating LC circuit comprising of a 1.13 nF capacitor and a coil of 3.17 mH consists of a peak potential drop of 2.87 V. Determine (i) the maximum charge on the capacitor (ii) the peak current
A certain crystal provides a deflection angle of 26 degrees for the first-order maximum of monochromatic X-rays having a frequency of 2.7×1017 Hz. i) Determine the lattice spacing of the cryst
Find out the diameter of bubble just as it reaches the surface of the lake, where the water temperature is around 20 degrees C? Suppose that the air bubble is for all time in thermal equilibrium wit