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3 years ago

14

You must give a signal either by hand and arm or by a signal device: Only if other traffic is affected by your movement Only at

night Anytime you change lanes Only if you are driving a truck or car

1 answer:

Vesnalui [34]3 years ago

5 0

Hello there!

Anytime you change lanes.

Hope this helps :)

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How much kinetic energy is in a punch thrown at 30 m/s? The fist and arm weighs 6 lbs. (1 lb= 2.2 kg)

zvonat [6]

Answer:

5940J

Explanation:

KE = 1/2 mv²

KE = 1/2 13.2 * 30²

KE = 6.6*900

KE = 5940J

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3 years ago

calculate your power in watts if you do 500 N*m of work picking up a dumbbell,and takes 5 s to perform that task?

Slav-nsk [51]

Answer:

100watts

Explanation:

Given parameters:

Workdone = 500Nm

Time taken = 5s

Unknown:

Power in watts = ?

Solution:

Power is the rate at which work is done;

Power = $\frac{workdone }{time}$

Input the parameters and solve;

Power = $\frac{500}{5}$ = 100watts

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3 years ago

What is the magnitude of g at a height above Earth's surface where free-fall acceleration equals 6.5m/s^2?

Tom [10]

The magnitude of 'g' at a place is expressed in terms of
the acceleration due to gravity.

You have said that the gravitational acceleration at that place
is 6.5 m/s². So THAT's the magnitude of 'g' right there.

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3 years ago

HELP ASAP PLEEEEES

matrenka [14]

Explanation:

33. The 1.5kg owl is now soaring at 20m/s. What is the owl’s KE?

a. Step 1: Formula <u>½mv²</u>

b. Step 2: Data m = <u>1</u><u>.</u><u>5</u><u> </u><u>kg</u>, v = <u>2</u><u>0</u><u> </u><u>m</u><u>/</u><u>s</u>

c. Step 3: Solve

KE = (1/2)(<u>1</u><u>.</u><u>5</u>)(<u>2</u><u>0</u>)² = <u>3</u><u>0</u><u>0</u><u> </u><u>J</u>

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2 years ago

How do I report child abuse against me online, without getting caught? I really need help S.O.S.

Veronika [31]

Incognito tab on your window gets rid of search history. Go to a website with a hotline, then call the number.

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3 years ago

Read 2 more answers