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3 years ago

Which of these statements best describes a similarity between asteroids and comets?

Physics

2 answers:

NeX [460]3 years ago

7 0

Answer:

D) Both orbit around the sun

Explanation:

Asteroids are rocky bodies having irregular shape and of irregular size. Asteroids are revolve around the sun in elliptical paths. Most asteroids are found in the asteroid belt between orbits of Mars and Jupiter. Ceres is the largest asteroid. Since, it is round in shape also, so it is a dwarf planet.

Comets are composed of rock, dust, ice and frozen gases. Comets lie in Kuiper belt and Oort cloud. Comets liquefy due to heat. Comets orbit the sun in elliptical paths. Comets in Kuiper belt have smaller periods than comets found in the Oort cloud.

Thus, the similarity between asteroids and comets is both orbit around the sun.

weqwewe [10]3 years ago

3 0

The right answer for the question that is being asked and shown above is that: "C) Both liquefy due to heat " the statement that best describes a similarity between asteroids and comets is that C) Both liquefy due to heat

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il63 [147K]

Answer:

his average velocity is

$v = \frac{19300}{1380} = 13.9855(m \div s)$

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2 years ago

A leopard of mass 65kg climbs 7m up a tall tree. Calculate how much gravitational potential energy it gains. Assume g=10N/kg.

vesna_86 [32]

Answer: 4550 Joules

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3 years ago

Tom Cruise jumped from one building to other building while filming the roof chase scene in Mission: Impossible - Fallout. He di

OLga [1]

Answer:

$v_0=9.9\ m.s^{-1}$

Explanation:

Given:

angle of launch of projectile from horizontal, $\theta=15^{\circ}$

range of projectile, $R=5\ m$

We have formula for the range of projectile:

$R=\frac{v_0^2\times sin\ 2\theta}{g}$

putting the respective values

$5=\frac{v_0^2\times sin\ 30^{\circ}}{9.8}$

$v_0=9.9\ m.s^{-1}$ is the velocity with which Tom should jump to land on the other roof.

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3 years ago

A vibrating pendulum makes 20 complete vibrations in 12.2 seconds. Determine the vibrational period of the pendulum, along with

Hitman42 [59]

Answer:

And the same can be said of a pendulum vibrating about a fixed position or of a guitar ... along the time axis, it is possible to determine the time for one complete cycle. ... It takes 2.3 seconds to complete the first full cycle of vibration. ... Since the standard metric unit of time is the second, frequency has units of cycles/second.

Explanation:

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2 years ago

Two forces,one of 12 N and another of 24 N,act on a body in such a way that they make an angle of 90degree with each other.Find

jok3333 [9.3K]

Answer:

26.83 N.

Explanation:

If the angle between two vector is 90°, to get the resultant, we use Pythagoras theorem.

a² = b²+c²......................... Equation 1

Where a = R = Resultant, b = 12 N, c = 24 N.

Substitute these values into equation 1

R² = 12²+24²

R² = 144+576

R² = 720

√R² = √720

R = 26.83 N.

Hence, the result of the two force is 26.83 N.

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3 years ago