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zalisa [80]
3 years ago
6

physics a flower pot falls from a windowsill 25.0m above the sidewalk. how fast is the flowerpot moving when it strikes the grou

nd?
Physics
1 answer:
Angelina_Jolie [31]3 years ago
5 0
Use the formula
v_f^2 = v_0^2+2ad


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HELPPP WILL GIVE BRAINLIEST!!!!
marishachu [46]

Explanation:

Thermal energy is basically the energy derived from heat when there is a temperature change in a body.

Kinetic energy is the energy due to the motion of a body.

Potential energy is the energy at rest or due to the position of a body.

  • Thermal energy is highly related to kinetic and potential energy.
  • Thermal energy is a type of kinetic energy because it causes the motion of the particles in a body.
  • An increase in thermal energy gives the particles more energy to move and then, their kinetic energy increases.
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learn more:

Thermal energy brainly.com/question/914750

#learnwithBrainly

4 0
4 years ago
A mountain lion jumps to a height of 3.25 m when leaving the ground at an angle of 43.2°. What is its initial speed (in m/s) as
miss Akunina [59]

Recall that

{v_f}^2={v_i}^2+2a\Delta y

where v_i and v_f are the lion's initial and final vertical velocities, a is its acceleration, and \Delta y is the vertical displacement.

At its maximum height, the lion has 0 vertical velocity, so we have

0={v_i}^2-2gy_{\rm max}

where <em>g</em> is the acceleration due to gravity, 9.80 m/s², and we take the starting position of the lion on the ground to be the origin so that \Delta y=y_{\rm max}-0=y_{\rm max}.

Let <em>v</em> denote the initial speed of the jump. Then

v_i=v\sin(43.2^\circ)=\sqrt{2\left(9.80\dfrac{\rm m}{\mathrm s^2}\right)(3.25\,\mathrm m)}\implies\boxed{v\approx11.7\dfrac{\rm m}{\rm s}}

6 0
3 years ago
Technician A says that the crankshaft determines the stroke of an engine. Technician B says that the length of the connecting ro
Rudik [331]

Answer:

Technician A is correct.

Explanation:

Stroke of the engine means how far is the piston moves during the cycle.It is determined by the crank of the crank shaft. Engine displacement volume  is calculated by multiplying length of the stroke to the piston displacement area.

                          If there are more than one cylinder in the engine, than in that case this number in multiplied by the number of the cylinders inside the engine.

Therefore technician A is correct.

7 0
4 years ago
Two objects have the same velocity. These two objects have different masses. Which object will
kogti [31]

Answer:

The object with the greater mass will have the greater momentum

Explanation:

The momentum of an object with mass <em>m</em>, moving with velocity <em>, </em>is given by the formula

M = <em>mv</em>

<em />

Since both objects have the same velocity <em>v, </em>it is clear that the object with the bigger mass will have the greater momentum

6 0
2 years ago
Water is the most common polar solvent. All of the following will dissolve, or be soluble, in water except _________.
saul85 [17]
ANSWER i believe it's A. wax, which is made up of atoms that share electrons equally
5 0
4 years ago
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