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xenn [34]
2 years ago
5

What is the difference between speed and velocity?

Physics
1 answer:
mixer [17]2 years ago
8 0
  • Speed is the rate of change of distance with time while velocity is the rate of change of displacement with time.
  • Speed is a scalar quantity while velocity is a vector quantity.
  • Speed cannot be negative but velocity can be negative.

Hope you could get an idea from here.

Doubt clarification - use comment section.

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All digits shown on measuring device, plus one estimated digit, are considered_______.
vichka [17]

Significant

Explanation:

All the digits shown on a measuring device and one estimated digit are all considered to be significant.

A significant digit is a set of values that shows how precise a measurement is reported.

Measuring devices such as calculators gives their values in significant digits.

  • Non- zero digits in a measurement are always significant.
  • Zero's before a decimal are not significant. Those after a number in a decimal are significant.
  • Zero's between digits are significant.

learn more:

Significant digits brainly.com/question/2743055

#learnwithBrainly

3 0
3 years ago
Caves are a type of island ecosystem according to the theory of island biogeography. Please select the best answer from the choi
tatuchka [14]

Answer:

True

Explanation:

A different type of habitat exists in the caves. There exist no green plants/producers but still various life forms evolve with in the caves. The major source of nutrients with in the caves is water and intrusion of other organism that led to deposition of food in the form of debris/guano etc. These food deposits are intake by the organisms living in caves leading to start of  food cycle. This is very much similar to any other food cycle

3 0
3 years ago
A=100m/s2<br> Vi=10m/s<br> T=10sec<br> Vf?
IrinaK [193]

Answer:

v=u+at

v= 10+100×10

v = 10+1000

v = 1010 m/s

3 0
3 years ago
À stone is thrown
masya89 [10]
A = -9.8

v = -9.8t -8

s = -4.9 t2 -8t +25

So… -5t^2 -8t + 25 =0, we’ll rearrange to 5t^2 + 8t - 25. We get two roots, one is positive and is 1.59 seconds

V = -9.8(1.59) - 8 = -23.6

So… it takes 1.59 seconds to hit the ground at -23.6 m/s.
3 0
2 years ago
PLEASE HELP!!<br> What is osteoporosis? What are the symptoms and treatments?
Korvikt [17]

Explanation:

Osteopetrosis is a condition in which bones become weak and brittle. It causes the body to constantly absorb and replace bone tissue. With osteoporosis, new bone creation doesn't keep up with old bone removal.

While some don't experience symptoms, common symptoms can include bone fracture and a decrease in height.

Most treatments include supplements and diet modifications.

3 0
2 years ago
Read 2 more answers
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