Answers: 1
Physics, 22.06.2019 16:50
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
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.
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Physics, 23.06.2019 09:30
During which step of the scientific method does a scientist make an educated guess about the outcome of an experiment? a. form a hypothesis b. analyze the results c. design an experiment d. collect data
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Physics, 23.06.2019 14:00
If the wavelength is tripled, while the speed of the wave is held constant, what happens to the frequency?
Answers: 2
Describe how the aurora borealis is evidence that Earth has a magnetic
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