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1. The force acting on a 2m2 surface is 20000N. What is the pressure experienced by this surface?
2. When you double the temperature of an ideal gas (in Kelvin) and triple its volume at the same time, the pressure of the gas will ?
An airplane is flying in a horizontal circle at the speed of 542 km/h. If the wings of the plane are tilted 33.0° to the horizontal, what is the radius of the circle in that the plane is flying? Suppose that the required force is provided entirely by..
A swing is made from a rope that will tolerate a maximum tension of 8.0 102 N without breaking. What is the mass of the heaviest person
q1. a man pulls a crate of mass 75.0 kg across a level floor. he pulls with a force of 180.0 n at an angle of 26.0deg
A man pushes a box of mass M with a force F using a stick AB of mass m and making a angle θ with the vertical. The coefficient of friction between the box and the floor is μ. Draw a clear diagram showing all the forces.
A uniform stick 1.5 m long with a total mass of 300g is pivoted at its center. With what angular speed is the stick spinning
question a small sphere with a mass of 0.002g and carrying a charge of 510-8c hangs froma thread near a very large
A centrifuge spins small tubes in a circle of radius 21 cm at a rate of 1419 rev/min. What is the centripetal force on a sample that has a mass of 5 g
starting from resta 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume
A mass, hanging at rest froma spring, stretches the spring by 4.00 cm. The mass is thenpulled down until the spring is stretched by 10.0 cm and released andmoves in Simple Harmonic Motion. Calculate the frequency of the Simple Harmonic Motion.
A hydrogen atom is in its fourth excited state (n = 5). Using the Bohr theory of the atom, calculate the linear momentum of the electron
A man pushing a mop across a floor causes the map to undergo two displacements. Find the magnitude and direction of the second displacement
An Alaskan rescue plane drops a package of emergency rations to stranded hikers, Find the angle of the impact
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