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A space shuttle ejects two communication satellites while describing a circular orbit, 296 km above the surface of the earth.
A space shuttle is in an elliptic orbit of eccentricity 0.0356 and a minimum altitude of 182 mi above the surface of the earth
A slender 10-kg bar AB of length l = 0.6 m is connected to two collars of negligible weight. Collar A is attached to a spring of constant k = 1.5kN/m
A slender rod of mass m and length l is suspended from two vertical springs, each of constant k as shown.
A simple pendulum consisting of a bob attached to a cord oscillates in a vertical plane with a period of 1.3s.
A semicircular hole is cut in a uniform square plate which is attached to a frictionless pin at its geometric center O. Determine
A satellite describes an elliptic orbit about a planet of mass M. Denoting by r0 and r1 , respectively, the minimum and maximum values of the distance
A rigid slab oscillates about a fixed point O. Show that the smallest period of oscillation occurs when the distance r from point O to the mass center G
A plane contains the vectors A and B. Determine the unit vector normal to the plane when A and B equal to, respectively
Water, air, and land heat up at different rates, which is evident when you jump from a hot concrete pool deck into a pool in the summer.
A 10-lb block A rests on a 40-lb plate B which is attached to an un-stretched spring of constant k = 60 lb/ft. Plate B is slowly moved 2.4 in
A 1.8-kg uniform rod is supported by a pin at O and a spring at A and is connected to a dashpot at B. Determine
What is the net force acting on a car cruising at a constant velocity of 70 km/h
When an object of mass 5 kg is suspended from a spring, the spring is observed to stretch by 8 cm. The deflection of the spring is related linearly
Identify objects around your house that can hold liquids write a list how many did you find
What is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)
The following map projections are used in areas of Canada other than BC. Briefly describe each, indicating where they are used.
Find the safety factor at 4,500 ft for an unlined, circular shaft wall. Assume the same rock properties.
Estimate the peak compressive and tensile stress concentrations and show locations in a sketch.
Consider a three-dimensional state of stress characterized by: sxx = 20.69 syy = 13.79 txy = 0.0
Range of bench face azimuths that should be examined more closely for slope stability. Sketch the data and results.
Void ratio e is defined as the ratio of void volume to volume of solids in porous material.
Calculate the dip and dip direction of the line of intersection of joint planes A and B, then sketch the result in compass coordinates.
How many tons of solids are in the fill and how many liters of water?
Derive a Janssen-type formula for this specific situation per unit of strike length.