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A pipe tapers from a diameter of 0.5 m at the inlet to a diameter of 0.25 m at the outlet, and turns by an angle of 45 degrees. The gauge pressure at the inlet and the outlet are 40000 N/m2 and 23000 N/m2, respectively. The pipe carries oil, with a density of 850 kg/ m3, at a rate of 0.45 m3/sec. Compute the magnitude and direction of the force acting on the turn.
A 1.8-m-long glass tube that is closed at one end is weighted and lowered to the bottom of a freshwater lake. Determine the depth of the lake
A 1500 kg minicar is pulled with a force of 11kN at angle of 30 degrees from the horizontal. what is the average acceleration of the car
It is possible to return the current in the bulb to the value calculated in part (a) by adding an inductor in series with the bulb and the capacitor. What is the value of the inductance of this inductor
What is an average power output of the laser. What is the rms value of the electric field in the beam.
A mass m1 = 17.0 kg and a mass m2 = 10.5 kg are suspended by a pulley that has a radius of 9.8 cm and a mass of 3.1 kg, determine the tension in the right cord
A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s just before hitting the ground. What is the average frictional force that acts on the sliding bear
Two blocks of identical wood sit on slippery (no friction) ice. You fire a bullet at each block. At the first block, you fire a metal bullet that impales itself in the block. At the second block, you fire an equal-mass, equal-speed rubber bullet that..
790-loop circular armature coil with a diameter of 10.5 cm rotates at 75.0 rev/s in a uniform magnetic field of strength 0.75 T
A point charge with q1 = +1.9 C is located at x = ?3.0 m, y = 0, and a second point charge with q2 = +6.5 C is at x = +1.0 m, y = +2.0 m. (a) What is the force exerted by q1 on q2? magnitude N direction ° counterclockwise from the +x-axis (b) What..
You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal resistance is negligible. obtain the potential difference across each resistor
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
A 250 kg weather rocket is loaded with 100kg of fuel and fired straight up. It accelerates upward at 32m/s2 for 34 s, then runs out of fuel. overlook any air resistance effects.
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