PHYSICS HIGH SCHOOL

Which description could describe the motion of the object between 7 and 12 seconds (the highlighted area)?a. The object is moving at a constant, negative, velocity. It is negative because it is moving back towards the origin.

b. The object is at rest.

c. The object is going down a hill with a changing speed.

d. The object is speeding up, as it travels back towards the origin.
Which description could describe the motion of the object between - 1

Answers

Answer 1
Answer:

Answer:

A  it is still at the same passe and it is going back down

Explanation:
Answer 2
Answer:

Answer:

The correct answer to your question is A. The object is moving at a constant, negative, velocity. It is negative because it is moving back towards the origin.

Explanation:

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Name a characteristic physical property?​

Answers

Land, housing, business.

Which statement best explains the relationship between the electric force between two charged objects and the distance between them?As the distance increases by a factor, the electric force increases by the square of that factor.



As the distance increases by a factor, the electric force increases by twice that factor.



As the distance increases by a factor, the electric force decreases by twice that factor.



As the distance increases by a factor, the electric force decreases by the same factor.



As the distance increases by a factor, the electric force decreases by the square of that factor.

Answers

According to Coulomb's Law. The relationship between the electric force between two charged objects and the distance between them is:
F = 1/d^2

So,

As the distance increases by a factor, the electric force decreases by the square of that factor.

Two 0.006 Kg bullets are fired with speeds of 20.0 m/s and 50.0 m/s respectively. What are their kinetic energies? Which bullet has more kinetic energy? What is the difference of their kinetic energies?

Answers

Answer:

a) Kinetic energies

K₁ = 1.2 J

K₂ = 7.5 J

b) The bullet that has the highest kinetic energy is the one with the highest speed , v = 50 m/s , K₂ = 7.5 J

c) K₂ -K₁  = 6.3 J

Explanation:

The kinetic energy (K) is that due to the movement of a body and is calculated as follows:

K = (1/2) m*v²  (J)

Where :

m : the mass of the body ( kg)

v is the speed of the body (m/s)

Data

m₁ = m₂ = 0.006 Kg

v₁ = 20 m/s

v₂ = 50 m/s

a)Calculation of the kinetic energy

K₁ = (1/2) (m₁)*(v₁)²

K₁ = (1/2) (0.006)*(20)²

K₁ = 1.2 J

K₂= (1/2) (m₂)*(v₂)²

K₂ = (1/2) (0.006)*(50)²

K₂ = 7.5 J

b) K₂ ˃ K₁

The bullet that has the highest kinetic energy is the one with the highest speed , v = 50 m/s, K₂ = 7.5 J

c) Difference of their kinetic energies (K₂ -K₁)

K₂ -K₁  = 7.5 J - 1.2 J = 6,3 J

A stuntman jumps from the roof of a building to the safety net below. How far has the stuntman fallen after 1.6 seconds?

Answers

The distance covered by the stuntman in 1.6 meters after he jumps form the roof of a building is 12.544 meters.


What is acceleration?

Acceleration is the rate of change of the velocity of an object with respect to the time taken to travel. Acceleration is a vector quantity. The orientation of an object's acceleration can be given by the orientation of the net force which is acting on that object.

The stuntman fallen after 1.6 meters after he jumps from the roof, the distance covered by the stuntman is:

s = ut + 1/2 at²

s = distance or displacement,

u = initial velocity,

t = time taken,

a = acceleration of the object

s = 0 × 1.6 + 1/2 × 9.8 × (1.6)²

s = 0 + 4.9 × 2.56

s = 12.544m

Therefore, the distance covered by the stuntman is 12.544 meters.

Learn more about Acceleration here:

brainly.com/question/12550364

#SPJ2
ok.....

Given,
Time = 1.6 seconds

We know,
initial velocity = 0 m/s²
acceleration (due to gravity) = 9.8 m/s²

Now,
We know,
s=ut+ (1)/(2)at^2\n\n Substituting \ the \ given\ and\ known\ values,\ we\ get,\n \n s=(0)(1.6)+ (1)/(2)(9.8)(1.6)^2\n\nNow,\ Using\ the\ calculator\, we\ get,\n\n s = 0+12.544\n\ns = 12.544\ m

So, the stuntman has fallen 12.544 meters.

According to the U.S. Census Bureau, in 2016, about 12.7% of the American population lived in poverty. Research demonstrates that people living in or near poverty have worse health outcomes and less access to health care than those who do not. Neighborhoods with many poor or low-income residents often have fewer resources that promote health. The lack of one resource, in particular, results in food insecurity and sometimes malnutrition. That is A) access to clean drinking water. B) preventive or needed medical care. C) grocery stores offering affordable and nutritious foods. D) recreational facilities that encourage physical activity. E

Answers

Answer:

grocery stores offering affordable and nutritious foods ( C )

Explanation:

The lack of grocery stores offering affordable and nutritious foods in particular results in food insecurity and sometimes malnutrition because people living in these areas( poor neighborhoods) under research can barely afford three ( 3 ) square meals if Nutritious foods are not sold to them at a subsidized rate in relation to how they are sold elsewhere.

The inability to afford three square healthy meals will result to malnutrition and poor health conditions among people living in these neighborhoods according to the research

What is an example of a sport related activity A .Weight lifting B.Soccer C.Jumping rope D.Running A Race

Answers

The correct answer is B. Soccer.
Hope this helps and have a good night! :3
sports are games so lets do process of elimination
A.) weight lifting (exercise)
B.) Soccer (sport)
C.) jump rope (exercise)
D.) Running a race (exercise) but questionable 

i would say B.) soccer
hehe
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