When is the gravitation force equal to the value of universal gravitational constant?

Which of the following elements would most likely become a positive ion when forming a chemical bond?

rusak2 [61]

Here, Your Options are absent, but the elements that would most likely become a positive ion will be:

hydrogen, sodium, potassium, lithium, cesium etc.

Hope this helps!

4 0

3 years ago

A Plane has a takeoff speed of 150 m/s and requires 1500m to reach that speed. Determine the acceleration of the plane and the t

luda_lava [24]

1) Acceleration: $7.5 m/s^2$

The motion of the plane is a uniformly accelerated motion, so we can find its acceleration by using the suvat equation

$v^2-u^2=2as$

where

v is the final velocity

u is the initial velocity

a is the acceleration

s is the displacement

Here we have

v = 150 m/s is the final velocity of the plane

u = 0 (it starts from rest)

a=?

s = 1500 m is the displacement

Solving for a, we find

$a=\frac{v^2-u^2}{2s}=\frac{150^2-0}{2(1500)}=7.5 m/s^2$

2. Time: 20 s

For this part of the problem, we can use another suvat equation:

$v=u+at$

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time

Here we already know:

v = 150 m/s is the final velocity of the plane

u = 0 (it starts from rest)

$a=7.5 m/s^2$ (found in part 1)

Solving for t, we find the time taken for the plane to reach the final velocity of 150 m/s:

$t=\frac{v-u}{a}=\frac{150-0}{7.5}=20 s$

3 0

4 years ago

Please answer the question below in 4 sentences. Use tranisition words to make it easier to understand how your thoughts and ide

ehidna [41]

Answer:

theres no question lol

Explanation:

Chocolate is a preparation of roasted and ground cacao seeds that is made in the form of a liquid, paste, or in a block, which may also be used as a flavoring ingredient in other foods!!!!

5 0

3 years ago

Constants Periodic Table A seesaw has a mass of 50 kg, a length of 3.0 m, and a fulcrum beneath its midpoint. It is balanced whe

andrew-mc [135]

Answer:

Solution is attached below.

Explanation:

3 0

3 years ago

AYUDA!!!!!

ZanzabumX [31]

Answer:

a) El valor de la densidad es 0.79 $\frac{g}{cm^{3} }$ o 790 $\frac{g}{cm^{3} }$

b) El peso especifico es 7749.9 $\frac{N}{m^{3} }$

Explanation:

a) La densidad se define como la propiedad que tiene la materia, ya sean sólidos, líquidos o gases, para comprimirse en un espacio determinado. En otras palabras, la densidad es una magnitud que permite medir la cantidad de masa que hay en determinado volumen de una sustancia. Entonces, la expresión para el cálculo de la densidad es el cociente entre la masa de un cuerpo y el volumen que ocupa:

$d=\frac{m}{V}$