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Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle ?. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires and the road is 0.980. The banked curve is frictionless, and the car can negotiate it at the same speed v0. Find the angle of the banked curve.
A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 10-m-long cable. How much time do you have to move out of the way
A driver wearing a seatbelt decelerates at roughly the similar rate as the car itself. Since modern cars have a "crumple zone" built into the front of the car, the car would decelerate over a distance of roughly 1.20 m. Determine net force acting ..
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
A quarter-pound hamburger with all the fixings has a mass 220g . The food energy of the hamburger is 2.4MJ. What is the energy equivalent of the mass of the hamburger
Compute the average number of ion pairs produced along the entire paths of 12.0 MeV electrons that are brought to rest in air. Would number of ion pairs produced in soft tissue be significantly different.
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
We know that a spherical charged particle of will have an external electric field of E = k q/r2, where k = 8.988×109N·m2·C-2 is the Coulomb constant, q is the charge, and r is the distance from the center of the spherical particle.
Besides the gravitational force, a 3.25-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experiences a displacement of (4.10 - 3.30) m, where the direction of is the upward vertical direction. find out ..
When two tuning forks of 128 Hz and 149 Hz, respectively, are sounded simultaneously, how various beats per second are heard.
Consider the following pipe assembly containing a permeable filter of length L=20cm, area A=20cm^2, and permeability of 4 millidarcys. what is the velocity of the flow through the filter section
What is an average speed of the runner
Write down an energy transformation equation
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