17.
Kinetic Energy (1)
Velocity (m/s)
Potential Energy (1)
100
0
0
inverse
80
20
4.5
60
40
6.3
linear
40
60
7.7
20
80
8.9
rational
0
100
10
parabolic
The relationship between Potential Energy and Kinetic Energy can be described as
which of the following?
CLEAR ALL

Answer:

C......................

We are given:

Radius of Venus=  6 * 10⁶ m

Height above the planet's ground = 9.4 * 10⁶ m

Mass of Venus = 4.867 * 10²⁴ kg

Finding the Gravitational Field:

We first need to calculate the distance between the center of masses

Distance between center of masses:

Since the point is above the surface of Venus, the radius of Venus and the height will add

Distance between the center of masses = 9.4*10⁶ + 6 * 10⁶

Distance (r) = 15.4 * 10⁶ m

Now back to Gravitational field!

We know the formula for Gravitational Field:

g = GM / r² [where g is the gravitational field, M is the mass of the planet, r is the distance between the center of masses and G is the gravitational constant]

plugging the known values in the formula:

g = (6.67 * 10⁻¹¹ * 4.867 * 10²⁴) / (15.4*10⁶)²       [G = 6.67*10⁻¹¹ Nm²/kg²]

g = (32.46 * 10¹³) / (237 * 10¹²)

g = (32.46 * 10¹³) / (23.7 * 10¹³)

g = 32.46/23.7                                                   [the 10¹³ got cancelled out]

g = 1.367 N/kg² (or m/s²)

Answer:

as it travel through the space it behave like a wave and has an oscillating electric field components and an oscillating magnetic field

Electromagnetic waves are created by a charged particle that generates an electric field. The electric field creates a magnetic field. As the charged particle moves, the electric field and magnetic field keep changing, which causes the wave to move.

Answer:

As the density of the liquid increases, so does the pressure. If the liquid is open to the air, there will also be atmospheric pressure on its surface.

Explanation:

Answer:

Connect one end of each wire to the screws on the base of the light bulb holder. ...

Connect the free end of one wire to the negative (“-“) end of one battery. ...

Attach the free end of the other wire to the positive (“+”) end of the battery.

Explanation:

Answer:

I'm going with a and y I dont want it to be wrong tho

Explanation:

key to this problem is the impulse-momentum theorem which states that the change in the momentum of an object is equal to the impulse applied into it.

J

=

Δ

p

,

where

J

is the impulse and

Δ

p

is the change in momentum. Basically, the impulse is the product of force and time duration, that is,

J

=

F

Δ

t

In this problem, the impulse would be the product of the force stopping the rock and

0.7

s

.

On the other hand, momentum

p

is the product of the mass

m

and velocity

v

. Therefore, the change in momentum is given by

Δ

p

=

m

2

v

2

−

m

1

v

1

.

Starting with the impulse-momentum equation, we have

J

=

Δ

p

F

Δ

t

=

m

2

v

2

−

m

1

v

1

Divide both sides by

Δ

t

,

we get

F

Δ

t

Δ

t

=

m

2

v

2

−

m

1

v

1

Δ

t

F

=

m

2

v

2

−

m

1

v

1

Δ

t

Finally, substitute the values and we get

F

=

(

2

kg

)

(

0

)

−

(

2

kg

)

(

6

m

s

)

(

0.7

s

)

F

≈

−

20

kg

m

s

2

Since

1

N

=

1

kg

m

s

2

,

then

F

≈

−

20

N

Therefore, using the correct significant figures (in this case, we need one significant figure since 2 kg, 6 m/s and 0.7 s all have one) in the final answer, we would need to have approximately

20

N

force to stop the rock in

0.7

s

.

Note: The negative sign is referring to the direction of the force opposite of the direction of the velocity

v

1

.

Answer:

640N

Explanation:

Mass of a metal bar, m = 65 kg

We need to find the normal force exerted by the ground on the bar.

The normal force on an object acts in upward direction. The magnitude of normal force is equal to its weight.

N= mg

Put m = 65 kg and g = 9.8 m/s²

N = 65 × 9.8

= 637 N

or

N = 640 N

Hence, the normal force is 640 N.

Answer:

d = 27.03 m

Explanation:

Constant Speed Motion

An object travels at constant speed if the ratio of the distance traveled by the time taken is constant.

Expressed in a simple equation, we have:

[tex]\displaystyle v=\frac{d}{t}[/tex]

Where  

v = Speed of the object

d = Distance traveled

t = Time taken to travel d.

From the equation above, we can solve for d:

d = v . t

It's required to find the distance traveled by someone walking at v=1.7 m/s for t=15.9 s. Substituting in the last equation:

d = 1.7 m/s * 15.9 s

d = 27.03 m

Answer:

The answer is going to be C.

Explanation:

Trust me. Im an expert in physics

Answer:

1240j I think this is the answer

Answer:

[tex]gpe = mgh \\ = (mg)h[/tex]

(mg)= weight

[tex]pe = (mg)h \\ 4500 = 15(mg) \\ mg = 300n[/tex]

mg = 300N

If a large block of stone is held at a height of 15m having gained 4500J

of gravitational potential energy, then the weight of this large block of stone would be 300 Newtons.

As total mechanical energy is the sum of all the kinetic as well as potential energy stored in the system.

ME = KE + PE

As given in the problem if a large block of stone is held at a height of 15m having gained 4500J of gravitational potential energy,

height  = 15 meter

The gravitational potential energy of the block of stone is 4500J.

the total gravitational potential energy is given by the expression,

PE = mgh

4500 = mg×15

mg = 4500/15

      = 300 Newtons

Thus, the weight of the large block of stone would be 300 Newtons

To learn more about mechanical energy from here, refer to the link;

brainly.com/question/12319302

#SPJ2

Answer:

Final velocity, V = 11.5m/s

Explanation:

Given the following data;

Initial velocity, U = 2.5m/s

Acceleration, a = 1.5m/s²

Time, t = 6secs

To find the final velocity, we would use the first equation of motion

V = U + at

Substituting into the equation, we have

V = 2.5 + 1.5*6

V = 2.5 + 9

Final velocity, V = 11.5m/s

Answer:

A isolate the DNA From a sample of cells

Answer:

[tex]e.p.e = \frac{1}{2} k {x}^{2} \\ = \frac{1}{2} \times 25 \times (0.015m)^{2} \\ = 0.0028125[/tex]

0.0028125N

Answer:

Speed is distance over time, so v = λ / T. The frequency, f, is 1/T, so the equation relating wave speed, frequency, and wavelength is v = f λ .

Explanation:

please mark me as brainliest thank you

Answer:

Speed, V = 4.95m/s

Explanation:

Given the following data;

Mass, M1 = 14.7kg

Mass, M2 = 3.2kg

Velocity, V1 = 6.7m/s

Velocity, V2 = 3.1m/s

To find the final speed;

Mathematically, inelastic collision is given by the formula;

[tex] V = \frac{(M_{1}V_{1}+M_{2}V_{2})}{(M_{1}+M_{2})}[/tex]

Where;

V is the final velocity in m/s.

M1 is the mass of the first object in kgs.

M2 is the mass of the second object in kgs.

V1 is the initial velocity of the first object in m/s.

V2 is the initial velocity of the second object in m/s.

Substituting into the equation, we have;

[tex] V = \frac{(14.7*6.7) - (3.2*3.1)}{14.7 + 3.2}[/tex]

[tex] V = \frac{98.49 - 9.92}{17.9}[/tex]

[tex] V = \frac{88.57}{17.9}[/tex]

Speed, V = 4.95m/s

Answer:

C

Explanation:

Answer:

G is called the constant of gravitation and is equal to 6.67 × 10−11 newton-metre2-kilogram−2.

Explanation: I hope this helps* pls mark me brainliest*

Answer:

Answer:

a cornea that is not curved enough

Answer:

a cornea that is not curved enough

Explanation:

Or in other terms a cornea that is too flat.

Answer:

225-Ib person weighs 1000 N

Explanation:

the last equation is the answer

6 CO2 + 6H2O → C6H12O6 + 6 O2

Answer:

The magnitude and direction of the force applied by Steinberg are approximately 15.192 newtons and 126.704º.

Explanation:

The chew toy is at equilibrium and experimenting three forces from three distinct dogs. The Free Body Diagram depicting the system is attached below. By Newton's Laws we construct the following equations of equilibrium: (Sp is for Spot, F is for Fido and St is for Steinberg) All forces and angles are measured in newtons and sexagesimal degrees, respectively:

[tex]\Sigma F_{x} = F_{F}\cdot \cos \theta_{F} + F_{St,x} = 0[/tex] (1)

[tex]\Sigma F_{y} = F_{F}\cdot \sin \theta_{F}-F_{Sp}+F_{St,y} = 0[/tex] (2)

If we know that [tex]F_{F} = 20\,N[/tex], [tex]F_{Sp} = 30\,N[/tex] and [tex]\theta_{F} = 63^{\circ}[/tex], then the components of the force done by Steinberg on the chewing toy is:

[tex]F_{St,x} = -F_{F}\cdot \cos \theta_{F}[/tex]

[tex]F_{St,x} = -(20\,N)\cdot \cos 63^{\circ}[/tex]

[tex]F_{St, x} = -9.080\,N[/tex]

[tex]F_{St,y} = F_{Sp}-F_{F}\cdot \sin \theta_{F}[/tex]

[tex]F_{St,y} = 30\,N-(20\,N)\cdot \sin 63^{\circ}[/tex]

[tex]F_{St, y} = 12.180\,N[/tex]

The magnitud of the force is determined by Pythagorean Theorem:

[tex]F_{St} = \sqrt{F_{St,x}^{2}+F_{St,y}^{2}}[/tex]

[tex]F_{St} =\sqrt{(-9.080\,N)^{2}+(12.180\,N)^{2}}[/tex]

[tex]F_{St} \approx 15.192\,N[/tex]

Since the direction of this force is in the 3rd Quadrant on Cartesian plane, we determine the direction of the force with respect to the eastern semiaxis:

[tex]\theta_{St} = 180^{\circ} + \tan^{-1} \left(\frac{F_{St,y}}{F_{St,x}}\right)[/tex]

[tex]\theta_{St} = 180^{\circ} + \tan^{-1} \left(\frac{12.180\,N}{-9.080\,N}\right)[/tex]

[tex]\theta_{St} \approx 126.704^{\circ}[/tex]

The magnitude and direction of the force applied by Steinberg are approximately 15.192 newtons and 126.704º.