Density=mass/volume
mass= 5kg
volume: πr²h
= π(2)²(5)
=62.83 cm³ or 0.06283 m³
density: m/v
d= 5/0.06283 m³
d=79.57 kg/m³
Hope I helped :)
Given what we know, we can confirm that the change in kinetic energy is a negative value, given that the <u>final value </u>will be zero.
<h3>What is kinetic energy?</h3>
- This is the energy of movement.
- As the car is in motion, it has kinetic energy.
- However, as the car slows down, it loses this energy.
- Once the car stops,<em><u> it no longer has kinetic energy. </u></em>
- Given that the change in kinetic energy is the <em><u>final value </u></em>minus the <em><u>initial</u></em>, and the final is zero, this will cause the change in kinetic energy for the car to be a negative value.
Therefore, since kinetic energy is the energy of movement, we can confirm that the change in kinetic energy for the car will be a negative value caused by the car coming to a complete stop.
To learn more about kinetic energy visit:
brainly.com/question/999862?referrer=searchResults
Answer:
You're supposed to measure the distance from X to the end of vector 5 using the appropriate scale, and measure the angle (counterclockwise from X) using a protractor.
Mathematically:
x = [83cos90+55cos141+69cos229+41cos281+61co... cm = -27 cm
y = [83sin90+55sin141+69sin229+41sin281+61si... cm = 55 cm
so d = √(x² + y²) = 61 cm
and Θ = arctan(55/-27) = -64º +180º (to get into QII) = 116º
Explanation:
Answer:
Se necesita la información de las siguientes variables:
(i) Fuerza normal entre los pies y la superficie.
(ii) Masa del atleta de halterofilia.
(iii) Masa de la barra de pesas.
(iv) Aceleración gravitacional.
(v) Fuerza normal entre la barra de pesas y la superficie.
(vi) Aceleración neta del centro de gravedad del sistema.
Explanation:
Sea el conjunto del atleta de halterofilia y la barra de pesas el sistema físico a estudiar. El fenómeno de levantamiento puede modelarse como traslación pura. Por las leyes de Newton tenemos que se necesita las siguientes variables para determinar la magnitud de la fuerza para levantarla (fuerza normal entre la mano y la barra de pesas) se requiere las siguientes variables:
(i) Fuerza normal entre los pies y la superficie.
(ii) Masa del atleta de halterofilia.
(iii) Masa de la barra de pesas.
(iv) Aceleración gravitacional.
(v) Fuerza normal entre la barra de pesas y la superficie.
(vi) Aceleración neta del centro de gravedad del sistema.
Answer:
Answered
Explanation:
Damping by inert gas is directly proportional to the molecular mass of inert gas.
Damping by inert gas is inversely proportional to the specific heat. One should consider specific heat at constant volume here as pressure will be varying. Since molecular mass is constant, the height of peak will be reduced proportional to the molecular mass.
There is an increase in temperature during detonation of pressure.
Increase in temperature difference, decreases the specific heat and therefore increases the damping.