What type of friction could cause a damaged to waste energy?
Sliding |
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Static |
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Both |
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Neither |
Sliding friction
Work done by Sliding frictional force converts into thermal energy.
What type of friction could cause a damaged to waste energy? Sliding Static Both Neither
Friction coefficient of friction support force, sliding or static coefficient F and angle in polar format F cos-angle and F sin-angle in Cartesian x y format Vector and angle in polar format - Vector cos-angle and Vector sin-angle in Cartesian x-y format Force, velocity, acceleration are vector examples A system consisted of two objects sitting on a floor, a 15 kg object on top with a 50 kg object at the bottom. The sliding coefficient of friction between the two...
What is the energy of the photon that, when absorbed by a hydrogen atom, could cause an electronic transition from the n = 1 state to the n = 4 state? What energy could cause an electronic transition from the n = 4 state to the n = 8 state?
What is the difference between static and kinetic friction. Define both, write their SI unit and dimension. Write down the mathematical statement (formula) that allows us to calculate the force of friction. Explain each term with its unit. Let’s say you’re dragging a 50 kg rubber box on wet concrete. How do you calculate the force of friction on this box?
draw free body diagram
A boxed cake is placed in the trunk of a car to be delivered to a birthday party. The coefficient of static friction is 0.15 and for kinetic friction is 0.11. What is the minimum 0-60 mph time that the car can accelerate and keep the box from sliding? In other words, what is the shortest time for the driver to accelerate from a stop up to 60 mph and not have the box slide back...
The coefficient of static friction between Tefion and scrambled eggs is about 0.028. What is the smalest angle from the horizontal that will cause the eggs to slide across the bottom of a Tefion coated skollet? Number Units
As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is A) static friction. B) kinetic friction. C) a combination of static and kinetic friction. D) neither static nor kinetic friction but some other type of friction. E) It is impossible to tell what type of friction acts in this situation. A car of mass m goes around a banked curve of radius r with speed v....
What kind of energy is a type of potential energy? Chemical Heat Kinetic Electrical If the sidewalk and cart dent one another too much, they accelerate toward one another. True False Consider the earth spinning from west to east on its axis. It is slowing down in its rotation due to friction with the air. Using the right hand rule, in what direction is the frictional torque? S pole to N pole N pole to S pole Counterclockwise along the...
What is the energy of the photon that, when absorbed by a hydrogen atom, could cause the following? (a) an electronic transition from the n = 2 state to the n = 5 state eV (b) an electronic transition from the n = 3 state to the n = 8 state eV
You apply a coefficient of static friction is 0.56. (a) What is the force (in N) in the knee joint of a person who 56.0 kg of her mass on that: knee if the it is such can cause further damage and pain. Assume that the c of kinetic friction in the joint is 0.015 mA 2.55 kg and ms 8.00 kg. The string connecting the two objects is of negligible mass a eration. What is the magnitude of the...
What is protein X and what gene could be mutated to cause these results? Wild type Mutant DNA Protein X DNA Protein X Compound Compound Untreated US Protein X is a nuclear hormone receptor. The mutation is in protein X and it no longer binds compound S. Protein X is a nuclear hormone receptor. The mutation is in protein X and increases its affinity for compound Protein X is NFAT. The mutation is in the GPCR that binds compound U...