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Q1. At one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first.
Q2. A Toyota Prius driving north at 62.0 and a VW Passat driving south at 40.0 are on the same road heading toward each other (but in different lanes). (We take the positive direction to be north.)
What is the velocity of VW Passat relative to the Toyota Prius when they are 480 apart, after they have passed each other?
A 15g rifle bullet traveling 220 m/s buries itself in a 3.5 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement.
A uniformly charged conducting sphere of 1.4 m diameter has a surface charge density of 11 µC/m2, Find the net charge in coulombs on the sphere
How fast is the roller coaster moving at the top of the loop
A 23.0 g block of copper whose temperature is 447 K is placed in an insulating box with a 92.4 g block of lead whose temperature is 132 K. find the equilibrium temperature of the two-block system
what is the force of kinetic friction acting on the skier. avoid the length of her car and her reaction time.
A fisherman accidentally steps off the ledge of a 4.0 meter-high dock and falls into the lake below the dock. what is the fisherman's speed on entering the water
q1. a box of books weighing 352 n moves with a constant velocity across the floor when it is pushed with a force of 448
When resistors 1 and 2 are connected in series, the equivalent resistance is 19.7 ?. When they are connected in parallel, the equivalent resistance is 3.96 ?. What are the larger resistance of these two resistors
A roller coaster shown below is built in your town. The radius of the circular part is 20 meters. As a physics student, you are invited to take the first ride. Find the speed of the car at the top of the circle
what is the index of refraction of the jelly? 2 glass plates are parallel and between is jelly 0.015mm thick. the glass has an index of refraction 1.53, the plates are each 8.00 cm long, 10 dark fringes are 6.33mm apart. wave length is 525nm .
A 8.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. How big is the pulling force
Two spheres with masses m1 = 820 kg and m2 = 830 kg are separated by 0.230 m. What is the net gravitational force from them on a 3.0 kg sphere located 0.161 m from m1 and 0.069 m from m2? Use a + sign if the direction is towards m2 and a - sign if..
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