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Survey of the science lab 2 gravity lab12/29/2023 ![]() ![]() The effects of the space environment on human physiology include degradation of skeletal weight-bearing bone mass and muscle, as manifested among astronauts who stayed in outer space for an extended period. Living creatures, including humans, have evolved under the influence of terrestrial gravity (1 g). The trend in the AG and HG was the same adapting to different gravity environments takes time. In the case of changes in gravity from 1 g to HG, the ratio was low at the start of centrifugation, recovered sharply in the first week, and entered a stable period in another week. The result for the activity ratios for the ground control experiment using AIS were close to previous studies, so the effectiveness of this method was indicated. Adaptation to different gravitational conditions from 1 g to hypergravity (HG) and from microgravity (MG) to artificial 1 g (AG) was analyzed based on the amount of activity to calculate the activity ratio and the active interval. This method yields an activity ratio as a ratio of ‘activity’ within the whole. In this study, we developed a simple Active Inactive Separation (AIS) method to extract activity and inactivity in videos obtained from the habitat cage unit of a space experiment. However, except for the group-rearing of mice in space, there has been little information on the behavior of organisms in response to gravity changes. Using your equations.Many experiments have analyzed the effect of the space environment on various organisms. Then, you will calculate values for the range and time-of-flight You will derive these two equations, one for the range and one for the total time-of-flight, before The range, you can use the total time-of-flight and the x-component of the initial velocity. Of the initial velocity along with the initial and final y-coordinates of the ball. Time-of-flight and range: To predict the total time-of-flight, you can use the vertical y-component The average speed between the gates can then be calculated from v = (10 cm)/time. A Smart Timer can be used to measure the time the ball takes to travel between these ![]() Initial velocity: The photogates are approximately 10 centimeters apart (measure directly toĬonfirm this). Then the initial velocityĬan be used to calculate where the ball will land when it is shot at some angle θ. Velocity of the ball is determined by shooting it, at the appropriate angle, through 2 photogates thatĪre placed near the muzzle and only a few centimeters apart from each other. Horizontal, it is necessary first to determine the initial speed (muzzle velocity) of the ball. The kinematic equationįigure 2 To predict the range of the projectile when it is shot off a table at some angle above the A ball launched horizontally from a table of height h has no initial velocity in the verticalĭirection, so the ball should take the same amount of time to reach the ground as a ball that dropsįrom rest from the same height. Horizontally off the table varies as the initial velocity is varied. Initial Velocity The purpose of this experiment is to determine whether the time-of-flight of a ball launched Since there is the small but real possibility of causing injury to yourself or another person, pleaseįollow all safety guidelines and common sense safety rules. You will perform twoĮxperiments to aid your understanding of these principles, which will be described later in the lab. That you have been studying allow you to predict this type of motion quite well. Subject to only the force of gravity and the force of air friction. Projectile motion, for our purposes, is the motion of an object that has been launched and then is Projectile Motion Introduction In this lab you will study the motion of a freely-falling projectile, namely a small plastic sphere.
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