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Q1. A swimming pool has dimensions 50.0 m multiplied by 15.0 m and a flat bottom. When the pool is filled to a depth of 2.50 m with fresh water, what is the force caused by water on the bottom? On each end.
Q2. An 84 kg skier is being pulled by a boat with a force of 240 N causing the skier to accelerate at 1.4 m/s^2. Find out the drag force on the skier.
Q3. A swimming pool has dimensions 25.0 m 13.0 m and a flat bottom. When the pool is filled to a depth of 1.30 m with fresh water, what is the force caused by the water on bottom?
The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.
Find out altitude of the airplane
A street lamp weight 164N. It is supported equally by two wires that form an angle of 129 degrees with each other. What is the tension of each of these wires.
Determine the tension in each string
W hat is the ratio of an amplitude of the damped oscillations
A ship sets out to sail to a point 148 km due north. An unexpected storm blows the ship to a point 148 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive angl..
A spring of force constant k=2.5*10^2 N/m is suspended form a rigid support. An object o mass 1.00 kg is attached to the uns How far below the starting point is equilibrium position for the object.
A particle of mass M moves in one dimension along the positive x axis, under the influence of two forces. The first force is a constant force, with magnitude B and direction toward the origin. The second force is an inverse square law, with magnitude..
A solid, rectangular iron bar measures .40cm by 1.0cm by 30cm. Find the resistance between each of the three pairs of opposing faces, assume the faces in question are quipotentials.
What is velocity relative to the ice surface
Whole blood has a surface tension of 0.068 N/M & a density of 1050kgm-3.what weight can whole blood rise in a capillary blood vessel that has radius 2.0 x 10-6 if the contact is zero.
How long is the bridge? Write down an equation for the bridge's height. And how far from the center of the bridge are two points if bridge's height at those points is 80 meters.
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