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A civil engineer is to design a road curve at a 194 m radius to carry racing cars traveling at 21 m/s. µ = 0.11 At what angle θ should it be banked for maximum control of the racing car? The coefficient of friction of the surface is 0.11 and the acceleration due to gravity is 9.8 m/s2. Answer in units of.
A block is hung by a string from the inside roof of a van. When thevan goes straight ahead at a speed of 20 m/s, the block hangsvertically down.
A lens with a refrective index of 1.5 is coated with a material of refractive index of 1.2 in order to minimize the reflection. what is the thinnest possible coating
Monochromatic light (λ = 570 nm) passes through two slits and onto a screen 4.0 m away. If two nearby bright fringes are separated with 14 mm, what is the slit spacing? If the slit spacing is reduced by a factor of four, what is the new distance amon..
An object is released from rest at a distance h above the surface of a planet (mass = M, radius = R
A barge is 10 m wide and 60 m long and has vertical sides. The bottom of the boat is 1.2 m below the water surface. What is the weight of the barge and its cargo
A lens of focal length 10cm produces a real image with magnification of 2. Find the object and image distances and characterize the image
A hard disk in your computer spins at 5400 rpm. if this disk turns through 12 revolutions before coming to a stop, find the disks angular acceleration
A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable. Illustrate what is the turntable's rotation angular velocity when the block reaches the outer edge?
The system pictured below consists of two blocks of mass m connected via springs to two walls. The springs all have spring constant k. Write the equations of motion for this system. Use as your variables the displacement of each block from its res..
A 4900 kg lunar lander is in orbit 60 km above the surface of the moon. How much work must the thrusters do
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. Find the his and her initial acceleration
consider a standard deck of 52 playing cards that has beenthoroughly shuffled. What is the probability of drawing anyace
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