Social Studies, 07.12.2021 22:00, jflakes406
Velocity is the speed at which an object moves in a specific direction. It's measured in meters per second, minute or hour in a particular direction—like miles per hour going north, kilometers per minute west or meters per second up. Velocity tells us both the speed and direction we are traveling.
Acceleration is a change in velocity. It's measured by subtracting the object's starting velocity from the final velocity, divided by the time this change in velocity took. We usually think of acceleration as speeding up, but it can also mean slowing down. We call this negative acceleration or deceleration.
If a car was driving 45 miles per hour northeast, and is now driving 30 miles per hour north,
A
the car’s velocity decelerated.
B
the car’s velocity accelerated.
C
the car’s velocity remained unchanged.
D
the car’s acceleration is 30 miles per hour.
Answers: 2
Social Studies, 21.06.2019 21:30, KittyLitty
You are a member of the jury for a murder case. the prosecution has presented dna evidence linking the defendant to the crime scene. the defense claims that dna evidence using str analysis with 13 markers is not sufficient to reliably distinguish between people. what do you think? a. the defense is right. str analysis with 13 markers gives a 1 in 1 million chance of two people having the same pattern, leaving a reasonable doubt. b. str analysis is not sufficient. the defendant's entire genome should be sequenced. the prosecution will have to consult a genomic library to make sure their dna evidence is valid. c. the prosecution is right. str analysis with 13 markers gives a 1 in 10 billion or greater chance that two people will have the same pattern. this person was at the crime scene. d. dna evidence is not generally accepted by legal experts.
Answers: 1
Social Studies, 22.06.2019 10:00, NeverEndingCycle
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Social Studies, 22.06.2019 13:00, sophiaa23
Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources
Answers: 1
Velocity is the speed at which an object moves in a specific direction. It's measured in meters per...
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