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STALIN [3.7K]
3 years ago
15

Jack travelled 360 km at an average speed of 80 km/h. Elaine took 1.5 hours more to complete the same amount of distance. What w

as Elaine’s average speed for the whole journey? _____km/h and m/s
Physics
1 answer:
True [87]3 years ago
3 0
Wish I could help this looks hard
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mestny [16]

Answer:

b

Explanation:

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Which statements accurately describe matter? Check all that apply.
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Here are some examples of statements that accurately describe matter:
Matter makes up everything in and on the earth
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Hope this helped!
7 0
4 years ago
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Calculate the force applied to raise a table to a height of 8m if 120j of work was done
Ray Of Light [21]

The force applied to raise a table to a height of 8m when 120 Joules of work is done is 15 N. That is, Force F = 15N

<h3>What is Work ?</h3>

Work is the product of force and distance in the direction of force. Work is done on an object when the displacement of the object is in the direction of the force applied. That is,

W = F x S

The S.I unit of work is Joule.

Given that a table to a height of 8m and 120J of work was done. To find the force applies, the parameters to consider are

  • Work W = 120 J
  • Distance S = 8 m
  • Force F = ?

Make force F the subject of formula from the formula written above. That is,

F = W/S

F = 120 / 8

F = 15 N

Therefore, if the 120 Joule of work is done, the force applied to raise a table to a height of 8m is 15 Newtons.

Learn more about Work here: brainly.com/question/25573309

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7 0
2 years ago
Joe used a 750 watt 1/2" cordless drill to put together a bookcase. Calculate the work involved in this thirty minute process.
Nataliya [291]

750W 30mins...750x30x60 joules ... 75000x18 ... about 1,500,000j

D

3 0
3 years ago
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How do solve for a in yf=yi+vi *t + 1/2*at^2. Also, What’s this formulas name
ddd [48]

Answer:

Kinematics

Explanation:

8 0
4 years ago
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