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An object 1.40 cm high is held 3.00 cm from a person\'s cornea, and its reflected image is measured to be 0.167 cm high.
What is the magnification?
Where is the image in cm?
Find the magnitude of the radius of curvature of the convex mirror formed by the cornea in cm.
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.502, How much force is needed to keep the book moving at constant speed once it begins moving
A man with a mass of 71.3 kg stands up in a 61-kg canoe of length 4.00 m floating on water. How far does the canoe move
rob and dave run a 100-m race crossing the finish line in a dead heat both taking 10.0s. they each accelerate uniformly
A rock of mass 0.340 kg is spun horizontally at the end of a wire that is 1.00 m long and has a diameter of 1.00 mm. what is the Young's modulus of the wire
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.050 s, find the horizontal and vertical components of the launch velocity
A block starting atop a frictionless hemispherical dome starts sliding from rest. Write down the two equations of motion of the block in terms of r and ? (i.e. use polar coordinates).
A pinhole camera takes a picture of a building 200 m tall. how far is the camera from the building
A wave is described by y = 0.020 9 sin(kx - ?t), where k = 2.05 rad/m, ? = 3.67 rad/s, x and y are in meters, and t is in seconds, Determine the amplitude, wavelength, frequency and of the wave
What is the average velocity (Vrms) of 0.75kg of air at room temperature (20°C), What is the average kinetic energy of air at 20°C, using the velocity you just calculated
Two charged spheres are 15 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
Two blocks with mass m1=2kg and m2=3kg hang on either side of a pulley. Block m is on an incline at 30 degrees, Find the maximum extension of the spring.
On a frozen pond, a 7 kg sled is given a kick that imparts to it an initial speed of v0 = 2.3 m/s. find the distance the sled moves before coming to rest
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