2 years ago

Radar tells an air traffic controller that a jet is slowing as it nears the airport. Which might represent the jet’s speed

Physics

2 answers:

Flauer [41]2 years ago

6 0

Answer:

80 miles

Explanation:

FromTheMoon [43]2 years ago

4 0

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What is the acceleration of an object that goes from 45m/s to 10 m/s in 5 seconds?

kipiarov [429]

Answer:

$\boxed {\boxed {\sf a= -7 \ m/s^2}}$

Explanation:

Acceleration is the change in velocity over time.

$a= \frac {v_f-v_i}{t}$

The object accelerates <em>from</em> 45 meters per second <em>to </em>10 meters per second in 5 seconds. Therefore,

$v_f=10 \ m/s \\v_i= 45 \ m/s \\t= 5 \ s$

Substitute the values into the formula.

$a= \frac{ 10 \ m/s - 45 \ m/s}{5 \ s}$

Solve the numerator.

$a= \frac { -35 \ m/s}{5 \ s}$

Divide.

$a= -7 \ m/s/s$

$a= -7 \ m/s^2$

The acceleration of the object is -7 meters per square second. The acceleration is negative because the object's velocity decreases and the object slows down.

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2 years ago

Chemical equations should be balanced so that they demonstrate the law of conservation of mass. Which of the following statement

faust18 [17]

Answer:

The products must contain the same numbers and types of atoms

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2 years ago

A 5,400 W motor is used to do work. If the motor is used for 640 s, about how much work could it do?

Gemiola [76]

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3,500,000 J

Explanation:

WORK = POWER * TIME

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=6456000 J = 3,500,000 J

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mestny [16]

Answer:

thank you

Explanation:

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Read 2 more answers

Please help me fill out the chart.??

LekaFEV [45]

Answer:unbalanced: have direction,Change an objects motion, causes object to accelerate

Balanced:Do not change an objects motion, Net forces equal sum of all forces on object, and Does not equal 0 N

Explanation: Thats all I know Hoped I helped sum

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