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Question: Identify the two basic approach methods available for a shovel excavating a cut. Which of these methods permit the shovel to exert the greatest digging force?
A 70 kilogram woman stands at the rim of a horizontal turntable having a moment of inertia of 540 kg•m2 and a radius of 2.0 meter. Find how much work does the woman do to set herself and the turntable into motion
A hiker moves from base camp a distance of 1250 m due East, then another 845 m in a direction 60.0 degrees North of East. What is the final displacement and direction from base camp
an 18 year old runner can complete a 10.0 km course with an average speed of 4.34 ms. a 50 year old runner can cover
at a certain instant a 25-kg object is sliding eastward at a speed of 8.0 ms propelled by an eastward force of 125 n.
5.1-microc point charge is located atnbspxnbsp 1.1 mnbspynbsp 2.8 m and a -3.9-microc point charge is located
A diverging lens has a focal length -0.16m. An object is placed in the distance 0.1m from the lens on the left side. What is the image magnification?
for a vibrating string fixed at both ends what is the relationship between the length of the string and the wavelength
A crate of potatoes of mass 8.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.72 and μk = 0.43. Find the frictional force (magnitude and direction) on the crate if the crate is sliding up t..
A laser emits light at power 3.00 mWand wavelength 633 nm. The laser beam is focused (narrowed) untilits diameter matches the 1266 nm diameter of a sphere placed in itspath. What is the beam intensity at the sphere's location
You have been hired as a manufacturing engineer, What is the minimum coefficient of friction between the parts and the belt to ensure none of the parts slip when they are sped up by the belt
A motor rotating a gringing wheel which is 5m in radius, isrotating at 60 rev/min. What is the initial speed of the wheel
Find the radius of curvature, in meters, of the path of a proton accelerated. What is the ratio of the radius of curvatures for a proton an an electron traveling through this apparatus?
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