Physics, 13.07.2019 09:00, jaymoney0531
Achild rides a bicycle in a circular path with a radius of 2.0 m. the tangential speed of the bicycle is 2.0 m/s. the combined mass of the bicycle and the child is 43 kg. what kind of force provides the centripetal force on the bicycle? a. gravitational force c. air resistance b. friction d. normal force select the best answer from the choices provided
Answers: 2
Physics, 21.06.2019 18:00, arnold2619
Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain
Answers: 1
Physics, 21.06.2019 21:30, monaldossari
What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
Answers: 3
Physics, 22.06.2019 13:00, chie42
Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
Answers: 2
Physics, 22.06.2019 15:50, showerofstars
How many neutrons does plutonium -196 with an atomic number of 78.
Answers: 3
Achild rides a bicycle in a circular path with a radius of 2.0 m. the tangential speed of the bicycl...
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