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Fynjy0 [20]
3 years ago
11

The Trojan asteroids are found:_________ a) orbiting around the Kuiper Belt body Hector. b) beyond Neptune, with orbits similar

to Pluto's. c) sixty degrees ahead or behind Jupiter, sharing its orbit about the Sun. d) with the others, between Mars and Jupiter; their red color gives them their name.
Physics
2 answers:
xenn [34]3 years ago
5 0

Answer:

The correct option is;

c) sixty degrees ahead or behind Jupiter, sharing its orbit about the Sun.

Explanation:

The Trojan asteroids are the Jupiter trojans consists of asteroid that are on the same orbit as Jupiter while moving around the Sun. The Trojans can be located at the points Lagrange points L4 and L5, which are 60° ahead and 60°  behind Jupiter's orbit respectively.

The first Trojan asteroid to be detected was 588 Achilles by Max Wolf in 1906. At at October, the total number of the identified Trojan asteroid was  7,040.

Katarina [22]3 years ago
4 0

Answer:

c) sixty degrees ahead or behind Jupiter, sharing its orbit about the Sun.

Explanation:

Trojan Asteroids are one type of co-orbital object. It is a small body that shares the orbit of a larger one, they remain in a stable orbit at approximately 60° ahead or behind the main body near one of its lagrangian points L4 and L5, they can share the orbits of planets or of large moons. Due to the perturbations by other planets, their distributions are elongated along the orbit, there are currently over 4,800 known trojan asteroids associated with Jupiter.

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17. The Earth exerts a gravitational force of 0.750 N on an object.
n200080 [17]

Answer:

0.076 kg

Explanation:

The force created by gravity can be found using mass x (9.8 m/s^2).

mg=0.750 N

m(9.8) = 0.750

Multiply both sides by 9.8: m = 0.076 kg

8 0
3 years ago
A man hits a ball and provides it with an initial velocity of 5.0 m/s on a rough horizontal surface. Due to the surface the ball
Alex777 [14]

Answer:

a) After 5.19 seconds dog catch the ball.

b)  From the dog's initial position at 20.20 m dog catches the ball.

c) Speed of the ball when dog catches ball = 2.405 m/s

   Speed of the dog when dog catches ball = 7.785 m/s

Explanation:

a) Let the time of catching be t.

   We have equation of motion s = ut + 0.5 at²

   Consider the motion of ball

                Initial velocity, u = 5 m/s

                Acceleration, a = -0.5 m/s²

                Time, t = t

                Substituting

                 s = 5 x t + 0.5 x -0.5 x t²

                 s = 5t - 0.25t²

  Consider the motion of dog

                 Initial velocity, u = 0 m/s

                Acceleration, a = 1.5 m/s²

                Time, t = t

                Substituting

                 s + 1 = 0 x t + 0.5 x 1.5 x t²

                 s = 0.75t²      

If they catch up displacement of dog is 1 m more than displacement of ball.

That is

                5t - 0.25t² + 1 =   0.75t²  

                t² - 5t -1 = 0

                t = 5.19 or t = -0.19(not possible)

So after 5.19 seconds dog catch the ball.

b) Displacement of dog, s = 0.75t²  

                            s = 0.75 x 5.19²

                             s = 20.20 m

    From the dog's initial position at 20.20 m dog catches the ball.

c) We have equation of motion v = u + at

       Consider the motion of ball

                Initial velocity, u = 5 m/s

                Acceleration, a = -0.5 m/s²

                Time, t = 5.19 s

                Substituting

                           v = 5 + -0.5 x 5.19 = 2.405 m/s

                Speed of the ball when dog catches = 2.405 m/s

  Consider the motion of dog

                Initial velocity, u = 0 m/s

                Acceleration, a = 1.5 m/s²

                Time, t = 5.19 s

                Substituting

                           v = 0 + 1.5 x 5.19 = 7.785 m/s

                Speed of the dog when dog catches ball = 7.785 m/s

3 0
3 years ago
How do i calculate acceleration? pls help! thanks :)
LenKa [72]

The acceleration is 2 mph/min

Explanation:

The acceleration of an object is the rate of change of velocity. It is defined as follows:

a=\frac{v-u}{t}

where

v is the final velocity

u is the initial velocity

t is the time taken for the velocity to change from u to v

For the car in this problem, we have (taking North as positive direction):

u = 25 mph

v = 35 mph

t = 5 min

Substituting into the equation, we find the acceleration:

a=\frac{35 mph-25mph}{5min}=2 mph/min

Learn more about acceleration:

brainly.com/question/9527152

brainly.com/question/11181826

brainly.com/question/2506873

brainly.com/question/2562700

#LearnwithBrainly

4 0
3 years ago
Explain what it means when we say a substance is magnetic.
Viefleur [7K]
That is type of substance which produce magnetic field

(Example: fridge magnet)
6 0
4 years ago
Write the formula for the Newton’s Law of Gravitation.​<br><br>please answer this question!!!
Stells [14]

Answer:

F = G(m1m2)/R2.

Explanation:

5 0
3 years ago
Read 2 more answers
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