Michael is whirling a can on a string above his head. The following picture shows the motion of the can around his hand. Which statement
best describes what happens to the can?
A) The undergoes centripetal acceleration
B) The can experiences constant linear acceleration
C) The can changes directions, so it must change speeds
D) The can does not change speeds, so there is no acceleration
Answers: 2
Biology, 21.06.2019 16:30
Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers
Answers: 2
Biology, 22.06.2019 04:30
African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.
Answers: 2
Biology, 22.06.2019 09:40
Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?
Answers: 1
Biology, 22.06.2019 10:00
How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground
Answers: 2
Michael is whirling a can on a string above his head. The following picture shows the motion of the...
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