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In-s [12.5K]
2 years ago
5

...............................................................

Physics
2 answers:
yuradex [85]2 years ago
5 0

Answer:

true

Explanation:

when a ray of light travels from a less denser medium to a denser medium it tends to bend towards the normal.

11111nata11111 [884]2 years ago
3 0

Answer:

true too much gas in the air can cause material to break down and possibly if it were glass it's shattering everywhere.. so get it out your face or the glass gonna scar you

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A car starts from rest with an acceleration of 6
mrs_skeptik [129]

Answer:

t=16.67s

Explanation:

From the question, acceleration from 6m/s^2  \ to \ 0m/s^2 in 10 seconds.

Acceleration function can be written as:-

a_t=6-0.6t

From the acceleration equation, we can obtain the velocity equation:

v(t)=\int\limits^t_b {0} \, dv=\int\limits^t_0 {a(t)} \, dt\\v(t)=\int\limits^t_0 {(6-06t)} \, dt=6t-0.3t^2\\*dv=a(t)dt

We calculate velocity after 10sec from the above v(t) as 30m/s.

To obtain distance travelled after 10 seconds:-

S=\int\limits^{10}_0 {6t-0.3t^2} \, dt=|3t^2-0.1t^3|   \ *lims(10,0)\\ S=200m

Therefore 200m is for 10seconds, and next 200m at 30m/s

Total time=10+\frac{200}{30}=16.67s

4 0
4 years ago
A 42.2 N force acts at 40* to the ground, causing the object to move a horizontal distance of 8.15 m. How much work was done on
slavikrds [6]

Answer:

W=F.dcos angle

w=42.2 x8.15 x cos40

w=343.93× cos 40

W=343.93 x 0.76

W=261.38 J

7 0
3 years ago
Which of the following summarizes cellular respiration?
3241004551 [841]

The statement which summarizes cellular respiration is Oxygen reacts with glucose to produce carbon dioxide and water, and release energy.

<h3>What is cellular respiration?</h3>

Cellular respiration is the process by which food, in the form of glucose is transformed into energy within cells.

The food is prepared by the plants by the process of photosynthesis in presence of sunlight. This food is in the form of glucose.

The respiration of plants is done by breaking of glucose by absorbing oxygen. This produces  carbon- di- oxide and water along with the release of energy.

Thus, the cellular respiration is oxygen reacts with glucose to produce carbon dioxide and water, and release energy.

Learn more about cellular respiration.

brainly.com/question/13721588

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6 0
3 years ago
Which change is the best example of a physical change?
murzikaleks [220]
The answer would be a nail rusting, but really it could be any of these.
3 0
4 years ago
2. Which describes the law of reflection?
dmitriy555 [2]

Answer: Choice 1

Law of Reflection

Theta(i)=Theta(r)

Angle of incidence=Angle of reflection

8 0
3 years ago
Read 2 more answers
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