Physics, 28.12.2019 02:31 abraralzaher
Suppose that you can lift no more than 650n unaided. how much can you lift using a 1.4m long wheelbarrow that weighs 80n with its cg .5m from the center of the wheel. the cg of the load in the wheelbarrow is also .5m from the wheel? additionally where does the force come from that enables you to lift more than 650n using the wheelbarrow?
Answers: 1
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a Γ b = 98k. what is the y-component of vector b?
Answers: 1
Physics, 22.06.2019 11:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
Physics, 22.06.2019 11:30
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
Suppose that you can lift no more than 650n unaided. how much can you lift using a 1.4m long wheelba...
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