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2 years ago

What is Newton's 2nd law of motion? * Your answer

Physics

2 answers:

Novay_Z [31]2 years ago

4 0

Acceleration of an object is depended upon the net force acting open the object and the mass of the object

Andrei [34K]2 years ago

3 0

Answer:

Newton's second law describes the affect of net force and mass upon the acceleration of an object.

F = force

m = mass of an object

a = acceleration

Explanation:

f=m.a

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A block of aluminum at a temperature of T1 = 32 degrees C has a mass of m1 = 12 kg. It is brought into contact with another bloc

Mariulka [41]

Answer: $T=21.33 ^{\circ}$

Explanation:

Given

mass of First Block $m_1=12 kg$

Temperature $T_1=32^{\circ}$

mass of second block $m_2=0.5 m_1=6 kg$

Temperature $T_2=9^{\circ}$

Heat capacity of aluminium c=899 J/kg-K

Final Temperature acquired by both blocks at steady state

Heat loss first block =Heat gain by second block

$m_1\times c\times (32-T)=m_2\times c\times (T-9)$

$12\times 899\times (32-T)=6\times 899\times (T-9)$

$2\times 32=3T$

$T=\frac{64}{3}=21.33 ^{\circ}$

5 0

3 years ago

3. Will a plant grow higher with more light?

sleet_krkn [62]

Answer:

When we analyze the sentence we see that this is a hypotype with the growth of plants must behave and it has a prediction included.

Therefore the correct answer is a

Explanation:

In this exercise you are asked to identify the given sentence with a specific part of the scientific method.

Among the parts of the method we have.

* Independent variable . The controlled variable in research

*Dependent variable. The magnitude measured in the experiment

* Control variable. The magnitude that is not controlled

*Experiment. It is the design of the procedure to evaluate the hypothesis

* Hypothesis. It is the assumption with which scientific work begins

* Prediction. It is a consequence of work if the mortgage is correct.

When we analyze the sentence we see that this is a hypotype with the growth of plants must behave and it has a prediction included.

Therefore the correct answer is a

6 0

2 years ago

Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lo

Grace [21]

Answer:

Only the 4 th statement is true that is bed 1 and 3 are older than 4.

Explanation:

The 5 beds are numbered from 1 to 5 , 1 being the lowest and 5 being the topmost bed.

We are given 4 statements and we have to find out which all are true.

(a)Bed 4 is older than bed 2

This is wrong because the lower beds are older than beds that are higher.

(b)Bed 3 is older than beds 2 and 4

This is also wrong because the 2 is older than 3

(c)Bed 5 is the oldest

This is wrong because bed 1 is the oldest

(d)Beds 1 and 3 are older than 4

This is true as lower beds are older

6 0

3 years ago

Read 2 more answers

On Earth a gallon of milk has the same mass as a gallon of milk in space, but it has a different __________.

lions [1.4K]

Answer:

A. Weight

Explanation:

On Earth a gallon of milk has the same mass as a gallon of milk in space, but it has a different weight

3 0

3 years ago

Read 2 more answers

Velocity of is speed and direction. if a plane is flying west at 500 meters every second, what would be the velocity of the plan

PilotLPTM [1.2K]

Velocity is a vector quantity. Therefore, while specifying the magnitude of velocity, we also need to mention in what direction its vector *point* in space.
Here, velocity of plane is "500 m/s towards west"

4 0

2 years ago