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Phantasy [73]
3 years ago
15

A car has negative acceleration. What information can you infer from this? (4 points) a The car is speeding up and changing its

direction. b The car is speeding up in the same direction. c The car is changing its direction. d The car is slowing down.
Physics
1 answer:
mario62 [17]3 years ago
5 0

Answer:

D. The car is slowing down.

Explanation:

When a car slows down, the acceleration is in the opposite direction as the velocity. With that being said, the car would have negative acceleration.

hope this helps!! p.s. i really need brainliest :)

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What is a catchy slogan to help people remember the difference between weathering and erosin
GaryK [48]
These are more of ideas to help your brain invent something less chessy...
Erosion is like corrosion, with no acid.
Erosion happens 'cuz the surface get frozen and beaten by the ocean. (they kinda rhyme) :)
Erosion is the transportation of, the deportation... 
~OR~
I cant think of anything for weathering but i got something good, but its still cheesy/ ):

Erosions' got the grooves and so it moves. But weathering breakdown and changes so its molecules changes.
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5 0
3 years ago
What is the relationship between momentum and kinetic energy.
Margaret [11]

Answer:

constant object, momentum increases directly with speed

Explanation:

whereas kinetic energy increases the square of the velocity due to energy momentum

6 0
2 years ago
The function of a cell depends primarily on its ?
Schach [20]
<span>Organelles which are very important in giving nutrients. During cellular respiration, the food molecules such as glucose, are oxidized to carbon dioxide (CO2) and water (H2O) and trapped in ATP (Adenosine triphosphate) form for further us of cell’s activities. ATP’s are formed at mitochondria – the cell’s powerhouse. This type of organelle takes and breaks nutrients absorbed by the cell and creates energy afterward. The energy from ATP is then used by the body in kinetic activities like running & walking or involuntary activities like breathing, blood circulation, stimulus-responding, etc.</span>
8 0
3 years ago
A)
Ksenya-84 [330]

Answer:

50N

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is the opposing fotce

4 0
3 years ago
To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal.
Yuri [45]

Answer: The height of the cloud = 394.55 m

Explanation:

The observer is 500m away from the spotlight.

Let x be the distance from the observer to the interception of the segment of the height, h with the floor. The equations are thus:

Tan 45° = h/x ... eq1

Tan 75° = h/(500- x ) ... eq2

From eq 1, Tan 45° = 1, therefore eq1 becomes:

h = x ... eq3

Put eq3 into eq2

Tan 75° = h/(500- h)

h = ( 500 - h ) Tan 75°

h = 500Tan 75° - hTan75°

h + h Tan 75° = 500 Tan 75°

h ( 1 + Tan 75° ) = 500 Tan75°

h = 500Tan75°/ (1 + Tan 75°)

h= 1866.02 / 4.73

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4 0
3 years ago
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