Physics, 10.10.2021 01:00 mooreadrian4123532
1. Describe how the density of zebras grazing on Panicum grasses changes over time. What characteristics of the zebra explain why zebra numbers are greatest when the grass is tallest and fullest?
Answers: 2
Physics, 21.06.2019 23:30
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 790 n/m. it is initially at rest on an inclined plane that is at an angle of 28 degrees with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is k = 0.14. in the initial position, where the spring is compressed by a distance of a = 0.18 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 1
Physics, 22.06.2019 18:30
Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above
Answers: 2
Physics, 22.06.2019 23:30
Which of the following forces require physical contact? tension air resistance friction magnetic force applied force
Answers: 3
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
1. Describe how the density of zebras grazing on Panicum grasses changes over time. What characteris...
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