Calculate the thermal energy dissipated from brakes
Calculate the thermal energy dissipated from brakes in a 1500-kg car that descends a 17 degree hill. The car begins braking when its speed is 95 km/h and slows to a speed of 35km/h in a distance of .30 km measured along the road.
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The 30kg sack A is dropped on a spring scale from the height h=0. The platform B of the scale weighs 6 kg and the combined stiffness of the springs is 2000 N/m. Determine the maximum reading of the scale.
When it is adjusted to a value R 2, the ammeter reads 0.25 of full-scale value. Compute the value of Ra in terms of R1 and R2.
A 0.157 kg ball is thrown straight up from 1.94 m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time?
Do you think that the size of the group can influence the style of presentation? For example, do you feel like it is easier to deliver an impromptu presentation with a smaller group, so that the setting is more intimate?
Calculate the thermal energy dissipated from brakes in a 1500-kg car that descends a 17 degree hill. The car begins braking when its speed is 95 km/h.
Calculate the total number of electrons in 100g of water.Avagadro number is 6.02*10^23.
What issues did Progressives support?What sectors of the U.S. economy did well in the 1920s?
A golf ball strikes a hard, smooth floor at an angle of 30.0 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking the floor. What is the magnitude of
As the ball is thrown upward is the net force acting upon it greater, less, or equal to its weight? Repeat the equation for the downward motion of the ball.
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What social networks do you use to access information? How often do you access these networks?
Explore a federal policy that affects older adults. What is the history of this policy? How have political forces shaped this policy?
A victim was stabbed in the left side of the neck in a fight and sustained a small superficial stab wound of the skin and jugular vein.
A person is known to suffer coronary arteriosclerosis and suddenly complained of chest pain; the hospital diagnosis was acute myocardial infarction
Choose one of the chronic illness above and explain how personality, emotions, stress, coping styles, and/or lifestyle factors play a part in the development
What are the behavioral symptoms of marijuana use? Discuss sleep aids and cough-and-cold remedies as some of the other classes of over-the-counter drugs.
Briefly describe how consumers achieve utility. Describe what is meant by the term equilibrium and why the equilibrium outcome is desirable.