Answers: 3
Physics, 22.06.2019 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
Answers: 1
Physics, 22.06.2019 14:00
What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
Answers: 1
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 22.06.2019 18:30
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
Find the acceleration of gravity near the surface of a planet that has a mass of 6.02 x 1022 kg and...
Mathematics, 25.10.2019 23:43
Physics, 25.10.2019 23:43
History, 25.10.2019 23:43
History, 25.10.2019 23:43
Arts, 25.10.2019 23:43
History, 25.10.2019 23:43
Mathematics, 25.10.2019 23:43
Physics, 25.10.2019 23:43
History, 25.10.2019 23:43
Mathematics, 25.10.2019 23:43
Chemistry, 25.10.2019 23:43
Physics, 25.10.2019 23:43
Mathematics, 25.10.2019 23:43
History, 26.10.2019 00:43