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The pressure exerted by a static liquid on a vertical submerged surface is calculated from the reaction:P=pghwhere:P=Pressurep=Density of the liquidg=gravitational acceleration = 9.81 m/s^2h=height of vertical surface that is submerged.
Consider a dam, what would be thepressure exerted on the dam's surface at depths of 1m, 5m, and 25m? for the density of the water, use p = 1000kg/m^3.
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
A 1.81 kg block and a 3.62 kg block are initially at rest on a frictionless, horizontal surface, How much does the kinetic energy of the system increase
BIO Electric Potential across a Cell Membrane In a typical living cell, What is the magnitude and direction of the electric field within the cell membrane
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow above the ground once it has travelled the 43.0 m horizontally
A 0.1-kg object is traveling to the right (in the positive direction) with a speed of 3 m/s. find the magnitude of the impulse (in N-s) acting on the object
What must the charge (sign and magnitude) of a particle of mass 1.44g be for it to remain stationary when placed in a downward directed electric field of magnitude 660 N/C.
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
Two workers are trying to move a heavy crate. One pushes on the crate with a force , which has a magnitude of 485 newtons and is directed due west.
A satellite of mass 2 250 kg is initially placed in an orbit about the Earth such that its period is 8.00 h. What was the original radius of orbit of the satellite
An airplane can be made invisible to radar by coating the plane with a thin layer of an antireflective material. How many dark fringes are observed when 600 nm light illuminates the slides from directly above
Certain rifles can fire a bullet with a speed of 950 m/s just as it leaves the muzzle (this speed is called the muzzle velocity). What is the acceleration of the bullet within the rifle
A 2.16kg object attached to a spring moves without friction and is driven by an external force given by the expression F(t) = F0 sin(2Ï€t), find the period of the driven system when at resonance
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