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3 years ago

Which component acts a platform on which an application software runs.

Physics

1 answer:

Alexandra [31]3 years ago

6 0

Answer:

System software acts as a platform on which an application software program runs.

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The auto in the sketch moves forward as the brakes are applied. A bystander says that during the interval of braking, the auto's

Ivan

Answer:

The statement is true: velocity and acceleration have opposite directions in the interval of braking.

Explanation:

Let's say we have a velocity $v>0$ .

The acceleration $a$ is the rate of change of the velocity $v$ . This means that if $v$ is <em>increasing during</em> time, then $a$ must be positive. But if $v$ is <em>decreasing over</em> time, then $a$ will be negative (even though the velocity is positive).

Mathematically:

$a=\frac{dv}{dt}$

$v$ decreases ⇒ $\frac{dv}{dt}$

⇒ $a$ .

Example:

$v(t)=e^{-t}>0 \\\\\frac{dv}{dt}=-te^{-t}$

3 0

3 years ago

What is inside of a blackhole ?

horsena [70]

We don't know. A black hole is a star that has collapsed into its own gravity. The gravity in fact, is so strong that even light cannot get through it. That's why it looks black to us.

7 0

3 years ago

Difference between gravitational force and gravity of earth

Bas_tet [7]

Answer:

the answer is gravity

Explanation:

The force of gravity can be 0 at the center of the earth

It requires only one mass

but gravitational force is The force can be 0 when the separation between bodies is infinity It only requires two masses

4 0

3 years ago

An electromagnetic wave with frequency 65.0hz travels in an insulating magnetic material that has dielectric constant 3.64 and r

torisob [31]

Ans: Intensity = I = $5.8 * 10^{-8} W/m^2$

Explanation:
First you need to find out the speed of Electromagnetic wave:

Since
v = $\sqrt{ \frac{1}{\mu\epsilon} }$

v = $\sqrt{ \frac{1}{\mu_r\mu_ok\epsilon_o} }$
$\mu_r = 5.18 \\
\mu_o = 4 \pi * 10^{-7} \\
k = 3.64 \\
\epsilon_o = 8.85 * 10^{-12}$

Plug in the values:
v = $\sqrt{ \frac{1}{(5.18)(4\pi*10^{-7})(3.64)(8.85*10^{-12})} }$
v = $6.9 * 10^7$ m/s

Now that we have "v", we can use the following formula to find the intensity of wave:

$I = \frac{k\epsilon_o*v*E_{max}^2}{2}$

$I = \frac{(3.64)(8.85*10^{-12})
*(6.9*10^7)*(7.20*10^{-3})^2}{2}$

Intensity = I = $5.8 * 10^{-8} W/m^2$

4 0

3 years ago

A shopping cart is rolling down a ramp with an initial velocity of + 1.0 m s +1.0 s m plus, 1, point, 0, start fraction, start

Nikitich [7]

The kinematic relations allow finding that the answers for the velocity and the position of the car in a time of 2 s. are:

The velocity is v = 7 m / s

The position is x = 8 m

Kinematics studies the movement of bodies giving relationships between the position, velocity and acceleration of the body

They indicate that the initial velocity is v₀ = 1 m/s, that the car has an acceleration of a = 3 m/s² and asks about the position and velocity after a time of t = 2s

Let's used the kinematics relation

v = v₀ + a t

v = 1 + 3 2

v = 7 m / s

We look for the position

x = v₀ t + ½ a t²

x = 1 2 + ½ 3 2²

x = 8m

In conclusion, using the kinematics relations we can find the answers for the speed and the position of the car in a time of 2 S. They are

The velocity is v = 7 m / s

The position is x = 8m

Learn more here: brainly.com/question/11298125

4 0

3 years ago

Which component acts a platform on which an application software runs.​

Which component acts a platform on which an application software runs.