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The coefficient of kinetic friction between the log and the ramp is 0.850, and the log has an acceleration of 0.800 m/s2. Find the tension in the rope.
At a given instant two cars at distances 250m and 350mfrom the point of intersection 'O' of two stright roads crossingeach other at right angles are approching 'O' at uniform speeds of6m/s and 12m/s
The term bio-diesel does not refer to a specific compound, but covers a class of compounds. The popular form of bio-diesel contains a methyl ester.
A cable is lifting a construction worker and a crate. The weights of the worker and crate are 964 and 1650N respectively. The acceleration of the cable is 0.620m/s^2, upward. a) what is the tension
Car batteries are often rated in ampere-hours. Does this unit designate the amount of current, power, energy, or charge that can be drawn from the battery?
Assuming all of this sugar is glucose, and also assuming that all of this glucose proceeds through Glycolysis and the TCA cycle, how many grams of CO2, does the average human being contribute to our
Coke is an impure form of carbon that is often used in industrial preparations of metals from their oxides. A 7.20 x 104 g sample of coke is reacted with copper(II) oxide.
A car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied
Two Identically charged particles separated by a distance of 1.0m repel each other with a force of 1N. What is the magnitude of the charges?
A cart is propelled over an xy plane with acceleration components ax = 6.6 m/s2 and ay = -2.2 m/s2. Its initial velocity has components v0x = 7.4 m/s and v0y = 14.2 m/s. In unit-vector notation, wha
A mixture contains Al2O3 (s) [MW=101.96 g/mol] and Fe2O3 (s) [MW=159.69 g/mol] and weighs 1.983g. when heated under excess hydrogen gas, the iron oxide reacts to form water vapor and Fe(s) but the a
Compare this energy to the amount of energy absorbed by a person's body if they jumped from a chair to the floor (assume that all of the energy from the fall is absorbed by the person and h=0.5 m).
A 70.0 kg person stands on a scale in an elevator. What is the apparent weight in each of the following situations: a) when the elevator is accelerating upward with an acceleration of 1.70m/s^2
(a) If a 2.75 μC charged particle moving in the x-y plane experiences a net force of 4.35 x 10-3 N in the +x direction, what is the speed and direction of the charged particle? Include a diagram.
MgO reacts with water to form MG(OH)2. If 5g of MgO is combined with 100g water in a coffee cup calorimeter, the temperature of the resulting solution increases from 22.3 to 32.9C.
A dipole of moment 0.50 e · nm is placed in a uniform electric field with a magnitude of 1.3 x 105 N/C. What is the magnitude of the torque on the dipole for each of the following situations?
What is the vapor pressure over a 30 C water solution containing 652 gram of sucrose (C12H22O11) molecular weight is 342.297 g/mol per liter of solution? Assume the solution behaves ideally. The vap
An elevator car of mass 845 kg falls from rest 3.50 m, hits a buffer spring, and then travels an additional 0.390 m, as it compresses the spring by a maximum of 0.390 m. What is the force constant o
You wish to electroplate a metal utensil with a surface area of 736 cm2 with gold to give an average thickness of 0.025 mm over the entire surface.
What is the diameter of a weather balloon (in meters) filled with He at 15,000 m? On the ground the balloon was filled with He at 18 °C at 0.96 atm to a volume of 7.3 L. At 15,000 m the atmosphe
By how much does the ball clear or fall short of clearing the crossbar? (Enter a negative answer if it falls short.)
What would be the acceleration of an Atwood machine having a mass of 230g on one side and a mass of 237g on the other side. Neglect the masses of the masses of the pulley and the string.
Cyclohexanone, 2-heptanone, and 3-heptanone have C=O absorptions in the infrared spectrum at essentially identical positions. However, cyclopentanone absorbs at slightly different wavenumber range f
In scuba diving circles an 80 refers to a scuba tank that holds 80 cubic feet of air, a standard amount for recreational diving. Given that a scuba tank is a cylinder 2 feet long and half foot in di
he regenerated alumina contains 0.1% water by weight (dry basis). [Note that the water content is given at conditions that are different from the actual operation of the natural gas adsorption syste