Geography, 02.03.2020 16:57 katlyn10289
A 215 kg rocket moving radially outward from Earth has a speed of 6.42 km/s when its engine shuts off 307 km above Earth's surface. (a) Assuming negligible air drag, find the rocket's kinetic energy when the rocket is 731 km above Earth's surface. (b) What maximum height above the surface is reached by the rocket
Answers: 1
Geography, 22.06.2019 19:30
Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?
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Geography, 23.06.2019 07:30
70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?
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Geography, 24.06.2019 01:30
Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.
Answers: 1
Geography, 24.06.2019 05:00
C. how would an erratic boulder provide evidence of the flood? type your response here: i
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A 215 kg rocket moving radially outward from Earth has a speed of 6.42 km/s when its engine shuts of...
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