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A student stands do = 2.8 m in front of a floor-to-ceiling mirror. Her eyes are he = 1.41 m above the floor and she holds a flashlight at a distance hf = 0.8 m above the floor. Randomized Variables do=2.8m he=1.41 m hf=0.8m.
Part (a) Calculate the angle θ, in degrees, that the flashlight makes with respect to the floor if the light is reflected into her eyes.
Two geekie physics students with a combined mass of 133 kg jump into their old car to run out for some late night pizza. What is mass of the car
a particle moves along a straight line with an acceleration of a 2pi 2s23 3s58 ms2 where s is in meters. determine
A 50g piece of ice with a temperature of -10degree Celsius is added to a thermally insulated container of 500g of water at a temperature of 20degrees Celsius. Find the equilibrium temperature
A loaded penguin sled weighing 88 N rests on a plane inclined at angle ? = 18° to the horizontal (see the figure). Between the sled and the plane, What is the minimum magnitude of the force
A block of mass 1.00kg slides along a horizontal table with speed V0 = 2.50m/s. How far did the spring compress when the block first momentary comes to rest
An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that a person inside is stuck to the wall and does not slide down when the floor drops away. Obtain the maximum rotation period of the cylinder which..
Adjacent antinodes of a standing wave on a string are 15.0 cm apart. A particle at an antinodes oscillates in SHM with amplitude 0.850 cm and period 0.0750 s. Find the speed of propagation of a transverse wave in the string
Two parallel plates of area 51 cm.^2 have equal but opposite charges of 4.10E-07 C. Within the dielectric material filling the space among the plates, the electric field is 3.60E+05 V./m. Find the dielectric constant of the material.
a rocket of mass 4.5 x 105 kg is in flight. its thrust is directed at an angle of 53.0deg above the horizontal and has
A solar water heater for domestic hot-water supply uses solar collecting panels with a collection efficiency of 47.0% in a location where the average solar-energy input is 200 W/m^2...... If the water comes into the house at 15.0C and is to be heated..
The critical angle for total internal reflection for glycerine surrounded by air is 42.9°. Calculate the index of refraction of the substance
A circlar metal disk of radius R rotates with angular velocity w about an axis through its center perpendicular to its face. find the emf induced between the center and the edges
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