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Several years ago I was asked to do some calculations regarding firing bullets into the air to celebrate New Years Eve--a monumentally bad idea. Treating the bullet as a solid lead sphere, and given suitable data, calculate the ratio of the magnitude of the drag force to that of the gravitational force on the bullet at the instant it is fired. Assume turbulent-flow drag.
In an amusement park ride called The Roundup, passengers stand inside a 16.0m -diameter rotating ring. how much force does the ring push on her at the top of the ride
Several identical capacitors are connected along the edges of a square grid, so that along each edge there is exactly one capacitor. evaluate the net charge deposited from the battery
An 18.0 kilogram package slides down a 38.0 degree incline and accelerates at 0.272 m/s2. Determine the friction force impeding its motion
A jet is flying horizontally, as the drawing shows. When the planeis directly overhead at B, a person on the ground hearsthe sound coming from A in the drawing. The averagetemperature of the air is 20 oC.
The solar corona is a very hot atmosphere surrounding the visible surface of the sun. Estimate the number density of particles in the solar corona
An elevator cabin has a mass of 350.5 kg, and the combined mass of the people inside the cabin is 183.7 kg. obtain the tension in the cable
A box of textbooks of mass 24.7 kg rests on a loading ramp that makes angle a with the horizontal. The coefficient of kinetic friction is .25 and the coefficient of static friction is .37. Find out the minimum angle at which the box starts to sl..
Convex mirrors are being used to monitor the aisles in a store. The mirrors have a radius of curvature of 4 m. What is the image distance if a customer is 19 m in front of the mirror?
Use the exact values you enter in previous answer(s) to make later calculation(s). The nucleus of a hydrogen atom is a single proton. What is the approximate volume of a proton
explain the energy released in the explosion. A rock stuck in the tread of a 59.0 cm diameter bicycle wheel has a tangential speed of 3.20 m/s. When the brakes are applied, the rock's tangential deceleration is 1.20 m/s^2
A 1.10kg block is attached to a spring with spring constant 17N/m . While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 47cm/s . What is the amplitude of the subsequent oscillations?
a singly ionized oxygen atom moves at 9000ms in a circular path perpendicular to a 0.85t magnetic field. find the
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