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3 years ago

What caused the solar system to form a disk?

Physics

2 answers:

mote1985 [20]3 years ago

3 0

That is a really interesting questions but I did look it up and didn't understand anything they said

vovikov84 [41]3 years ago

3 0

The solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). This explosion made waves in space which squeezed the cloud of gas and dust.

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An object is traveling such that it has a momentum of magnitude 23.3 kg.m/s and a kinetic energy of 262 J. Determine the followi

Crazy boy [7]

Explanation:

It is given that,

Momentum of an object, p = 23.3 kg-m/s

Kinetic energy, E = 262 J

(a) Momentum is given by, p = mv

23.3 = mv...........(1)

Kinetic energy is given by, $E=\dfrac{1}{2}mv^2$

m = mass of the object

v = speed of the object

$E=\dfrac{1}{2}\times (mv)\times v$

$262=\dfrac{1}{2}\times 23.3\times v$

v = 22.48 m/s

(2) Momentum, p = mv

$m=\dfrac{p}{v}$

$m=\dfrac{23.3\ kg-m/s}{22.48\ m/s}$

m = 1.03 Kg

Hence, this is the required solution.

8 0

4 years ago

1) Rephrase the objective. (limit 2 sentences). Give a brief explanation of the concepts of linear motion, its characteristics a

Softa [21]

Answer:

When an object moves in a straight line, it is said to be in linear motion. By Newton's first law of motion, a body tends to be in rest or motion in a straight line until a net non-zero force acts on it.

Rate of change of position with respect to time is known as velocity. Uniformly accelerated motion refers to the motion where the rate of change of velocity with respect to time is constant.

Kinematic equations can be used to measure different aspects of a linear motion:

v = u + a t

s = u t + 0.5 a t²

v²= u² + 2 a s

where, u is initial velocity, v is final velocity, a is acceleration, t is time and s is displacement.

3 0

3 years ago

Read 2 more answers

A 50 Q resistor in a circuit has a current flowing through it of 2.0 A. What is

Alex17521 [72]

Hello!

We can use the following equation for calculating power dissipated by a resistor:
$P = i^2R$

P = Power (? W)
i = Current through resistor (2.0 A)
R = Resistance of resistor (50Ω)

Plug in the known values and solve.

$P = (2.0^2)(50) = \boxed{\text{ B. }200 W}$

7 0

2 years ago

The bar ab has a velocity at point a of va = [20,9] m/s and an angular velocity w = 23 rad/s. If the distance between a and b is

DiKsa [7]

speed of point A is given as

$v_a = 20.9 m/s$

$v_a = r*\omega$

here r = distance from the axis

so here we have

$20.9 = r*23$

$r = 0.91 m$

now the distance of point A and B is 0.71 m

while the distance of axis from point A is 0.91 m

so distance of axis from point B will be given as

$r = 0.91 + 0.71 = 1.62 m$

now for the speed of point b is given as

$v = r \omega$

$v = 1.62 * 23$

$v = 37.26 m/s$

so end point B will move with speed 37.26 m/s

8 0

3 years ago

Earthquake waves are 35m long and arrive at a frequency of 2.0Hz. How fast are they travelling?

Nitella [24]

Answer:

70 m/s

Explanation:

The frequency of earthquake = 2.0 Hz

The wavelength = 35 m

How fastbthw earthquake is t traveling is given bythw velocity of the wave, velocity of wave is related to frequency and wavelength using the formula :

V = frequency * wavelength

V = 2 * 35

V = 70 m/s

3 0

3 years ago