Physics, 14.05.2021 22:00, Manuel2019
A wind blowing at 25.0° exerts a force of 675 N on the sail of a boat which in turn is propelled 1.55 km, 45.0°. (Consider directions as viewed from overhead.) Find the work done by the wind.
Answers: 2
Physics, 21.06.2019 13:40, hannahgracew12
The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions
Answers: 2
Physics, 22.06.2019 09:30, morgan15776
Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
Answers: 3
Physics, 22.06.2019 10:30, Bayabbay8380
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
A wind blowing at 25.0° exerts a force of 675 N on the sail of a boat which in turn is
propelled 1....
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