Physics, 22.08.2019 05:40 brooklynneramos9956
Achemist notices some silvery liquid on the floor in her lab. she wonders if someone accidentally broke a mercury thermometer, but did not thoroughly clean up the mess. she decides to find out of the silver stuff is really mercury. from her tests with the substance, she finds out that the melting point for the liquid is 275 k. a reference book says that the melting point for mercury is -38.87°c. is this substance mercury? explain your answer and show all relevant calculations.
Answers: 1
Physics, 22.06.2019 12:00
Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
Answers: 1
Physics, 23.06.2019 01:00
During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.
Answers: 3
Physics, 23.06.2019 13:00
Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.
Answers: 1
Achemist notices some silvery liquid on the floor in her lab. she wonders if someone accidentally br...
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