Physics, 13.11.2019 02:31 monkeys450
When a body of mass 0.25 kg is attached to a vertical massless spring, it is extended 5.0 cm from its unstretched length of 4.0 cm. the body and spring are placed on a horizontal frictionless surface and rotated about the held end of the spring at 2.0 rev/s. how far is the spring stretched?
Answers: 3
Physics, 21.06.2019 18:00
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
Answers: 1
Physics, 21.06.2019 20:00
Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?
Answers: 2
Physics, 21.06.2019 23:30
Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.
Answers: 3
Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
When a body of mass 0.25 kg is attached to a vertical massless spring, it is extended 5.0 cm from it...
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