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In an ore-mixing operation, a bucket full of ore is hanged from a traveling crane that moves all along a stationary bridge. The bucket is to swing no more than 4 m horizontally if the crane is broug
A projectile is fired is such a manner that its horizontal range is equivalent to three times its maximum height. Determine the angle of the projection?
A proton is fired to the uniform electric field, opposite to the direction of the field. The speed of proton on entering the field is around 3.05 × 10^5, and it comes to rest 5.30 cm after en
The 8kg mass is dropped off the bridge with the initial velocity of 50 cm/sec downward. If air resistance on object is given by 6v and the bridge is 75m above the lake how long it takes for mass to
Let, consider a *.85 *10^21 kg asteroid elliptically orbiting the sun having perihelion and aphelion distances of around 1.908*10^8 km and 8.192*10^8 km, correspondingly. Find out the variation in (
Determine the force on a 1 C charge moving at 1 m/s perpendicular to the magnetic field having strength of 1 tesla?
A planar coil of wire consists of a single turn. The normal to this coil is parallel to the uniform and constant (in time) magnetic field of 1.3 T. An emf that consists of a magnitude of 2.9 V is in
Provided the following data on number of pints of ice cream sold at the local ice cream store for the six-period time frame. Determine the three-period moving average for period 6.
A billiard ball rolling across the table at 1.50 m/s forms a head-on elastic collision with the same ball. Determine the speed of each ball after the collision when each of the above takes place.
At 200MHz when the 1H NMR spectrum of acetone, CH3COCH3, is recorded on an instrument operating, a single sharp resonance at 2.1δ is seen.
You wave your hand to obtain someone's attention in simple harmonic motion with amplitude of around 18 cm and a frequency of around 0.85Hz. i) Determine the max magnitude of the acceleration and of
Hexachlorophene, a compound made up of atoms of hydrogen, carbon, oxygen and chlorine, is an ingredient in the germicidal soaps. Combustion of a 1.00g sample yields 0.134g of water and 0.523 g of ch
Determine the total force on the rocket? Illustrate your answer by using two significant figures.
The product stream is analyzed and found to contain 51.7% C2H5Br and17.3% HBr. The reaction between hydrogen bromide and ethylene to form the ethyl bromide is carried out in a continuous reactor.
Determine the focal length needed of such glasses when they are to be worn 2.00 from the eyes. Determine the focal length needed of these glasses when they are to be worn 1.00 from the eyes.
Explain what would be the final product of the reaction among the methyl benzoate and two equivalents of theylmagnesium bromide?
When the density of zinc is around 7140 kg/m3 and that of copper is 8930 kg/m3 determine the thickness of the copper cladding? (Suppose that the thickness is much less than the radius and the height
Discuss why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer, methylenecyclohexene, the band is of medium to strong intensity.
A value of 0.80 part per million (ppm) is considered to be dangerous. The "normal" lead content in human blood is about 0.40 part per million (that is, 0.40 g of lead per million grams of blood).
Your employer requests you to make a 32 cm long solenoid having an interior field of 4.7mT. The specifications call for a single layer of wire, wound by the coils as close altogether as possible.
After six weeks predators start eating 37 rabbits per week and same number of rabbits still migrate out of area. Will rabbits survive to implement the plan for world dominations? If they do not when
The mass of mercury needed to fill the tube is 105,5g if a cylindrical glass tube 12, 7 cm in length is filled with mercury. Determine the inner diameter of the tube when the density of mercu
The police car is right next to the highway, so the moving car is traveling directly to or away from it. Determine how fast was the moving car going?
Describe the numbers of mols and grams of Pb(NO3)2 are in the reaction mixture? Calculate the percent by mass of each salt in the mixture?
Discuss how could you show the presence of both iodide and sulfate in a mixture and why should distilled water be used when making the chemical tests?