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What water pressure should a pump which is positioned on the first floor supply to encompass water of the twenty-fifth floor of a building having a pressure of 26 1b/in2?
A baseball having mass.025 slug is thrown down with initial speed of 18 mi/hr from a bridge with height of 150 yards i) Determine its velocity when it strike the ground?
A 80 HP pump increases 150ft3 of water to the 8th floor of building when 1ft3 water has mass of 2.3 slug determine the height of each floor?
Determine the magnitude and direction of the car’s acceleration (relative to the road), for each case above, when the car encounters a stretch of frictionless icy (horizontal) road.
On the day of a child's birth, a deposit of $25,000 is made in the trust fund which pays 4% interest, compounded continuously. Find out balance in this account on child's 29th birthday.
A fast train having speed v = 100 m/s moves on a straight track at latitude 60° N. A plumb bob is hanged from the ceiling. Sketch a free-body diagram and determine the angle (from the vertical)
A diameter of a wheel of a motorcycle is 1.2m and its mass is around 200kg it is traveling with angular velocity of 1200 rpm in a curve having the diameter of 50m i) Determine the linear velocity.
Mary, Jim and Candy are playing HALO. Jim obtains twice as many points as Candy but only a third as many as Mary. Combined total of the points is 9000. How many points each player gets?
The ball having mass of 450 gram rotates around the tree having a diameter of 3m and speed 1400 rpm i) Determine the angular and linear speed
A woman of 60 kg runs up a flight of stairs having an augment of 4 meters in a time of 4.2 seconds. Determine the average power did she supply?
Determine the direction of the impulse delivered to the ball by the bat. Suppose that the ball and bat are in contact for 1.5 ms.
The dolomite is a mixed carbonate of magnesium and calcium. Magnesium and calcium carbonates both decompose on the heating to form the carbon dioxide and metaloxides (CaO and MgO).
Sound A measures 20 decibels and sound B is six times as loud as sound A. Determine decibel rating of sound B to nearest integer?
We will now predict the rovibrational spectra of 1H79Br. Using the rigid rotator and harmonic oscillator approximations, determine the rovibrational spectra formed during a v = 0 and v = 1 transitio
An automobile delivers 30 hp to the wheels if moving at a constant speed of 22 m/s. Determine the resistance force on the automobile at this speed? (1hp =746 watts)
Determine the numbers of grams fo Ca3(PO4)2 are needed to prepare 480 ml solution, in which PO4-3 concentrations is 0.25 N. The molecular weight of Ca3(PO4)2is 310 g/ml?
A Girl and her bicycle encompass a net mass of 40 kg. At the top of hill her speed is 5m/s and her speed doubles as she rides down the hill. The hill is 10m high and 100m long. Determine how much ki
Determine the numbers of grams of anhydrous K2HPO4 (MW 175 g/mole) are needed to make 3Liter solution that contains 0.4 N K+?
Explain at what volume of 0.248 MCaCl2 must be added to 335mL of 0.186 M KCl solution in order to form a solution with a concentration of 0.250 M Cl^-1?
For every rational function below: (i) express domain, (ii) Find all x- and y- intercepts, (iii) Find any horizontal, vertical and slant asymptotes, (iv) using the facts (and plotting the few additi
A damped mass-spring system oscillates at 113 Hz. The time constant of system is around 9.5 s. At t = 0 the amplitude of oscillation is 5 cm and the energy of oscillating system is around 86 J.
Write complete ionic, molecular and net ionic equations for the reactions that occur, if any, when solutions of the following substances are mixed:
The voltage source is detached and then a dielectric (K= 3.2) is inserted to fill the space among the plates of one of the capacitors. Find out (i) the charge now on each capacitor, and (ii) the vol
Suppose you are asked to prepare a .8500M solution of aluminum nitrate and you find that you have only 50.00g of the solid. The maximum volume of solution that you can prepare is.276L
The atoms of a certain mono-atomic gas encompass five energy levels: E1 = 0, E2 = 5.4 eV, E3 = 8.2 eV, E4 = 8.6 eV, and E5 = 12.4 eV, all measured up from E1.