At what range of speeds can a car safely make the curve
A curve of radius 70m is banked for a design speed of 75 km/h. If the coefficient of static friction is 0.40 (wet pavement), at what range of speeds can a car safely make the curve?
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An electron and a proton each have a thermal kinetic energy of 3×kBT/2. Calculate the de Broglie wavelength of each particle at a temperature of 2050 K. (kb is Boltzmann's constant, 1.38×10-23 J/K).
A barefoot field-goal kicker imparts a speed of 18 m/s to a football initially at rest. If the football has a mass of 0.47 kg and the time of contact with the ball is 0.021 s, what is the force exerted by the ball on the kicker's foot?
I recieved a msg. saying I needed to resubmit the question I asked yesterday but didn't say why. Here it is. I need to pick at 3 specific vitamins and 3 specific minerals; report on the health issues that are correlated with inadequate amounts of
A net force of 265 N accelerates a bike and rider at 2.30 m/s2. What is the mass of the bike and rider together?
At the same time, a 30N force at an angle of 60 degrees above the horizontal pulls on the cart to the left. What is the magnitude of the horizontal acceleration of the cart?
On a workday the average decibel level of a busy street is 73 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 40 every minute on a weekend, what is the decibel level of the street?
An 18 g rifle bullet traveling 210 m/s buries itself in a 3.9 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
A 51 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 245 N. For the first 12 m the floor is frictionless, and for the next 11.5 m the coefficient of friction is 0.17. What is the final speed of the crate
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"Gender inequality is not some accidental, hit-or-miss affair. Rather, each society's institutions work together to maintain the group's particular form of
How is it rational for the owner of a factory or plantation to work his laborers to death or disability when they can easily be replaced cheaply?
Based on the chapter by Allen Furr on the sociology of mental illness, How do sociological models help you understand mental illness differently
Question: Discover how the major schools of thought within sociology explain social stratification.
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
Question: Which of the following are forms of media bias? (Select all that apply)
Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.