Chapter 14 And doze Physics

 Chapter 14 And doze Physics Composition

Question 1

1 as well as 1 level

Three galaxies, each of mass M = 4. 0  1041 kg, lie in a aircraft at the edges of an equilateral triangle with sides of 5. 0  1022 m length. The magnitude from the force the other two galaxies put in on each galaxy is Problem options:

1)�

4. 3  1027 N.

2)�

6. 4  1027 N.

3)�

7. 4  1027 N.

4)�

almost eight. 6  1027 N.

5)�

4. 3  1028 N.

Question 2

1 as well as 1 point

Carla and Jenny will be arguing about whether or not it will be possible to escape the gravitational discipline of the Earth. Carla shows Jenny the device below in which mass mis rE (not the Earth's radius) distant by Earth and rP (not planet P's radius) distant from world P. Carla states the mass m has steered clear of if FP in m = FE in M. What kind, if both, is correct, and why? Issue options:

1)�

Carla, as the total gravitational force on m is zero at that time.

2)�

Carla, because there is simply no gravitational force from Earth on m at that point.

3)�

Carla, because there is zero gravitational power on m from Earth when r >  rE.

4)�

Jenny, because there is a gravitational power on m from Earth no matter how superb the distance from your Earth.

5)�

Jenny, as the gravitational force from the The planet can only be blocked by a body that may be larger than the Earth.

Question three or more

1 / 1 point

What is the escape speed from a planet of mass M and radius R if M = 3. 2  1023 kg and R = 2 . 4  106 m? Question options:

1)�

5. five km/s

2)�

4. two km/s

3)�

5. two km/s

4)�

4. 8 km/s

5)�

3. six km/s

Issue 4

you / 1 point

The period of vacillation of an thing in a frictionless tunnel running through the The planet is 84. 3 min. What is the period of vacillation of an thing in a related tunnel within the Moon? (RE = 6. 37  106 m;  RM = 1 . 74  106 m;  ME = 5. 98  1024 kg;  MM = 7. 36  1022 kg. ) Question choices:

1)�

6th. 03  103 min.

2)�

0. 713 min.

3)�

84. a few min.

4)�

108. 5 min.

5)�

139. 6 min.

Issue 5

one particular / one particular point

What is the gravitational force on a 20-kg satellite television circling the entire world (radius sama dengan 6. 4  106 m, mass sama dengan 6. 0  1024 kg) with a period of 5. 0 h? Problem options:

1)�

88 N

2)�

fifty-five N

3)�

36 D

4)�

98 N

5)�

18 D

Question 6

1 / 1 stage

An object is definitely released from rest in the next a height h above the surface of a planet of mass M and radius R. What is the speed of the target just before striking the surface of the globe? Neglect any air resistance. Let h = some. 0  106 m,  R = 5. 0  106 m, and M = four. 0  1024 kg. Issue options:

1)�

7. almost 8 km/s

2)�

3. 5 km/s

3)�

5. four km/s

4)�

6. 9 km/s

5)�

4. 8 km/s

Query 7

one particular / you point

A satellite is put in a geosynchronous orbit. Through this equatorial orbit with a amount of 24 hours, the satellite hovers over one particular point for the equator. Which statement is true for a satellite tv in this kind of orbit? Question options:

1)�

There is no gravitational force around the satellite.

2)�

There is no velocity toward the middle of the The planet.

3)�

The satellite is within a state of totally free fall toward the Earth.

4)�

There is a tangential force in order to the satellite keep up with the rotation with the Earth.

5)�

The pressure toward the middle of the The planet is well-balanced by a force away from the middle of the The planet.

Question almost 8

1 as well as 1 level

What is the magnitude with the free-fall acceleration at a point that is a distance 2R above the surface of the Earth, where R is the radius of the Earth? Question choices:

1)�

5. 8 m/s2

2)�

1 . 1 m/s2

3)�

3. 3 m/s2

4)�

2 . 5 m/s2

5)�

6. 5 m/s2

Question being unfaithful

1 / 1 level

A 50-kg satellite circles planet Cruton every 5. 6 they would in an orbit with a radius of 12  106 m. What is the magnitude from the gravitational force on the dish by entire world Cruton? Issue options:

1)�

63 D

2)�

49 N

3)�

68 And

4)�

73 N

5)�

50 And

Question 12

1 / 1 stage

A 50-kg satellite sectors the Earth in an orbit with a period of...

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