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A bathysphere used for deep-sea exploration has a radius of 1.50 m and a mass of 1.19 x 104 kg. In order to dive, this submarine takes on mass in the form of sea water. Determine the amount of mass that the submarine must take on if it is to descend at a constant speed of 1.40 m/s, when the resistive force on it is 1105 N in the upward direction. Take 1.03x 103 kg/m3 as the density of seawater.
The pressure of sulfur dioxide (SO2) is 2.54 x 104 Pa. Find the translational rms speed of the sulfur dioxide molecules
If an X-ray beam of wavelength 1.4 × 10-10 m makes an angle of 30° with a set of planes in a crystal causing first order constructive interference, what is the plane spacing
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.20×10^6N , one at an angle 17.0 degrees west of north, What is the total work done by the two tugboats on the supertanker
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.50 m and a mass of 575 kg. Before a trip, Find the kinetic energy stored in the flywheel
A current is flowing through a circuit and you open a switch. Why might a spark jump across the switch opening? Explain what is happening? What property of the circuit would be relevant to this phenomenon?
A block is launched with initial speed 2.1 up a 30 degree frictionless ramp. How far up the ramp does it slide
A proton initially at rest is accelerated by a uniform electric field. Find the voltage drop through which the proton moves
A huge space cruiser passes earth at speed c/2. It launches a small fighter ship away from earth (thank goodness) at speed c/2 relative to the cruiser. What is the speed of the fighter ship relative to earth
An object with mass 2.6kg is attached to a spring with spring stiffness constant 260N/m and is executing simple harmonic motion. find the maximum velocity attained by the object
A heavy crate is attached to the wall by a light rope, as shown in the figure. Another rope hangs off the opposite edge of the box. which rope will break
The inner radius of a bone is half the outer radius. What would the outer radius of the bone be if, for a given torque, it were to twist through the same angle as a steel rod of the same length with a 1-cm radius? (the polar moment of inertia of a ho..
A person walks 34.0? north of east for 4.10 km. Another person walks due north and due east to arrive at the same location. How large is the east component of this second path?
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