Physics, 28.07.2019 08:00 harri26348
In which situation will the friction between an object and the surface on which it is moving be decreased? a. the object is pushed over a longer distance b. the weight of the moving object is decreased c. the object is pushed with greater force against the surface d. the surface on which the object is moving is made smoother put answers in the comments of actual answers, as i need them! lots of points! 63 points
Answers: 1
Physics, 21.06.2019 17:30
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
Answers: 3
Physics, 21.06.2019 21:30
Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
Answers: 2
Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
In which situation will the friction between an object and the surface on which it is moving be decr...
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