1. when work is done and a force is transferred which choice describes the movement of the object? (points : 3). a) when work is done and a force is transferred an object must move in the direction of the force.. b) when work is done and a force is transferred an object moves opposite the direction of the force.. c) when work is done and a force is transferred an object does not move.. d) when work is done and a force is transferred an object moves perpendicular to the direction of the force.
Answers: 2
Physics, 21.06.2019 22:00
The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?
Answers: 2
Physics, 21.06.2019 22:00
In a wind tunnel the speed changes as the cross sectional area of the tunnel changes. if the speed in a 6' x 6' square test section is 100 mph, what was the speed upstream of the test section where the tunnel measured 20' x 20'? use conservation of mass and assume incompressible flow. conservation of mass requires that as the flow moves through a path or a duct the product of the density, velocity and cross sectional area must remain constant; i.e., that ova-constant. a model is being tested in a wind tunnel at a speed of 100 mph if the flow in the test section is at sea level standard conditions, what is the pressure at the model's stagnation point? (a) the tunnel speed is being measured by a pitot-static tube connected to a u- tube manometer. what is the reading on that manometer in inches of water? (b) at one point on the model a pressure of 2058 psf is measured. what is the local airspeed at that point?
Answers: 2
Physics, 22.06.2019 02:40
15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.
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Physics, 22.06.2019 10:00
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
Answers: 1
1. when work is done and a force is transferred which choice describes the movement of the object?...
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