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Number of Rooms The function. N(r) = -1.44r2 + 14.52r - 14.96. signifies number N of housing units (in millions) in 2005 which have r rooms, where r is integer and 2 = r = 9.
Compute length of the edge of the cube if its volume could be doubled by the increase of 6 centimeters in one edge, increase of 12 centimeters in second edge, and decrease of 4 centimeters in third
Determine the thrust factors needed and show that the speed in the final orbit is two times bigger than the initial speed.
Determine the acceleration due to gravity on Titan surface, given that is mass is 1.35 x 10^23kg and its radius is 2570 km.
A long, straight wire carries a current of 4.3 A. Determine how far from this wire is the magnetic field it generates equivalent to the Earth's magnetic field, which is around 5.0 x 10-5 T?
The vehicles slide a distance of 4.11 meters after impact. Determine how fast were the vehicles moving instantly after the impact? Determine how fast was the car moving that rear-ended the other car
A man drags a cart of mass 20.3 grams having a uniform horizontal force at constant speed of 31.3 cm/s beneath a hopper which is dropping cattle feed onto the cart at a rate of 17.5 kg/s. Determine
Determine linear to linear function whose graph has y=6 as the horizontal asymptote and has fixed points x=0 and x=2.
A rectangular block of pure silver measures 4cm x 4cm x 20cm. Find out the resistance between the opposite sides which are farthest apart:
The sink has 2 gallons of water in it. Then faucet is turned on and every minute amount of water in sink increases by 1 gallon. State variables v and t for changing quantities situation.
Determine the normal force among the block and the horizontal surface? Find out the force of friction between the block and the horizontal surface?
Assume .88 g of water condenses on a 75.0-g block of iron that is initially at 22 *C. Identifies the final temperature of the iron block if the heat released during the condensation goes only to war
Light is viewed to converge to a point after being reflected from the plane mirror. Were the incident rays parallel, converging, or diverging prior to striking the mirror? Describe a diagram to veri
A circular loop of wire having a diameter of 0.626 m is rotated in the uniform electric field to a position where the electric flux via the loop is a maximum. At this location, the electric flux is
What type of reasoning is this? "As 2 cups is 8 times as much as 0.25 cup, corresponding amount of calories will be 8 times as much as 80."
At airport, a small tractor of mass 1235 kg pulls three baggage carts, all of mass 345 kg. The tractor accelerates at a rate of 1.82 m/s2. Find out the force which the tractor's engine should supply
The student lets go of the other mass and views that it takes 1.65 seconds for the mass to reach the floor. Determine the acceleration of the system and the second mass? Determine the tension in the
If ammonium nitrate sells for$2.95/lb and urea for $3.65/lb, explain the difference (in lb N/$) between the ammonium nitrate and the urea when the urea, CH4N2O and Ammonium nitrate, NH4NO3, are both
Determine what would be the wavelength of the electromagnetic wave having a frequency equivalent to the clock speed of a 3.2 Ghz computer? In what portion of the electromagnetic spectrum would such
Width of the rectangular box is twice height and length is 7inches more than height. If volume is 72 cubic inches, determine the dimensions of the box.
An inductor of 7.00 with negligible resistance is joined across an ac source whose voltage amplitude is kept constant at 67.2, however whose frequency can be varied.
A bullet of 10 g is stopped in a block of wood of 5 kg. The speed of bullet-plus-wood combination instantly after the collision is 0.60 m/s. Determine the original speed of the bullet?
If the person stands at the end of shadow and looks up to top of the building, find the angle of person's eyes to top of building(to nearest hundredth of degree)?
The resistance less inductor is joined across the ac source whose voltage amplitude is 25.0 and the angular frequency is 1000. Determine the current amplitude when the self-inductance of the inducto
Determine: i) the speed at which the bullet emerges from the block. ii) The mechanical energy lost in the collision.