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A circular window with 0.5m radius on a submarine can withstand a maximum pressure of 8900 N/m^2. How deep can the sub safely dive? (Saltwater specific gravity=1.1)
Each summer along the Oregon coast there is a contest for archers. People line the beaches and wait for a low-flying airplane to pass overhead loaded with goodies.
A potential difference of 81 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the ce..
An object of mass 263.25285 g executes SHM with an amplitude of 14.906379 cm and a period 29.11989 s. Find the force acting on the object
If John Glenn weighed 640N on Earth's surface, i) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice distance from the center of the Earth? ii) Why is it said that an astronaut is never truly weightless..
Briefly and clearly explain the concept of Inertia held by; Galilio, Kepler, and Descartes. Make sure that your description clarify how these postions differ from one another
A particle known as a pion lives for a short time before breaking apart into other particles. what is the lifetime according to a hypothetical person who is riding along with the pion
A football is thrown with an initial upward velocity component of 12.5m/s and a horizontal velocity component of 17.0m/s. How high does it get above the ground
Yusef pushes a chair of mass m = 55.0kg across a carpeted floor with a force F? p of magnitude Fp = 148N directed at ? = 35.0degrees below the horizontal, What is the magnitude of the acceleration a of the chair
A 5 kg block, measuring 10 cm per side, is held 50% submerged in water by a Helium balloon. If the density of Air is 1.18g/L, what is the diameter of the balloon
q1. consider a 3.0kg ball and a 5.4kg ball in free fall.what is the net force performing on each?what is the
what is the horizontal distance x to the base. find the average net force exerted on him in the barrel of the cannon.
A wheel of radius 160 cm is has an angular velocity of 400 radians per minute. What is the linear velocity of the wheel in kilometers per hour
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