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Water at ground level is moving at a speed of 1.20 m/sec in a pipe at a pressure of 850 kPa. The pipe goes up to the fourth floor of a building where its elevation is 12.5 meters above the ground and its radius is the same. The density of water is 1000 kg/m^3. What is the pressure of the water on the fourth floor? Show work for first and best rating.
A cart is propelled over an XY plane. Its initial velocity has components Vx= 8 m/s and Vy= 12 m/s when it goes past (0,0). The time is t=0. what is the displacement at this time
A motor is connected to a solid cylinder with a diameter of 1.2m and a mass of 51kg. Write down Newton's 2nd Law for this object
A block of iron at 43.0°C has mass 2.30 kg. If 3.50×104 J of heat are transferred to the block, what is its resulting temperature
A simple 3.00 m long pendulumoscillates at a location where g = 9.80 m/s2. How many complete oscillations does it make in 8.00 min
A small object is placed to the left of a convex lens and on the optical axis. obtain the position of the image formed by the lens?
A marble is rolled down a ramp with a height of .15 m. The marble travels a distance of 1.38 m. What is the velocity of the marble
Light enters a 10 cm thick, parallel face, glass block at normal line drawn through the block. The angle of incidence for the light is 30 degrees. What is the index of refraction of the prism
Three capacitors are connected in series. The equivalent capacitance of this combination is 2.60, What is the third capacitance (in F)
A guitar player tunes the fundamental frequency of a guitar string to 300 Hz. (a) What will be the fundamentalfrequency if she then increases the tension in the string by 20%?
acA block lies on a plane which is inclined at 22 deg to thehorizontal. The coefficient of kinetic friction between blockand plane is %u03BCk = 0.17. compute the acceleration of the block
An electron is initially at rest just outside a large copper surface that has the charge density of 1.20 x10-6 C/m2. How far has the electron moved in 1.07 x10-9 s if the field is uniform over this region.
What is the electric potential energy of three equal positive charges of 1.05 µC when they are arranged to form a triangle2.80 x 10-3 m on a side?
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