1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
uranmaximum [27]
3 years ago
7

The Sun is a significant factor that helps to support life. Which of the following Earth-Sun relationships is not true?

Physics
2 answers:
Lina20 [59]3 years ago
5 0
' A ',  ' C ',  and  ' D ' are true.

As far as we've ever been able to tell, there are only two planets
that are closer to the Sun than Earth is (Mercury and Venus). 

If that's so, then that makes Earth the 3rd planet from the sun,
so ' B ' is the one that's not true.
Genrish500 [490]3 years ago
4 0

Answer:

A,B, C

Explanation:

You might be interested in
A child sleds down a hill with an acceleration of 2.94 m/s2. If her initial speed is 0.0 m/s and her final speed is 17.5 m/s, ho
hram777 [196]

Answer:

The child will take 5.952 seconds to travel from the top of the hill to the bottom.

Explanation:

Given that the child accelerates uniformly and that both initial (v_{o}) and final speeds (v_{f}), measured in meters per second, and acceleration (a), measured in meters per square second, are known, we proceed to use the following kinematic equation to determine the time taken to travel from the top of the hill to the bottom (t), measured in seconds, is:

t = \frac{v_{f}-v_{o}}{a} (1)

If we know that v_{o} = 0\,\frac{m}{s}, v_{f} = 17.5\,\frac{m}{s} and a = 2.94\,\frac{m}{s^{2}}, then the time taken is:

t = \frac{17.5\,\frac{m}{s}-0\,\frac{m}{s} }{2.94\,\frac{m}{s^{2}} }

t = 5.952\,s

The child will take 5.952 seconds to travel from the top of the hill to the bottom.

8 0
3 years ago
Momentum usually has the symbol p It is a vector, What is the correct way to
Nadya [2.5K]

Answer:

Add an arrow above the symbol p to show it is a vector. Sometimes it is italicized in textbooks.

Explanation:

6 0
2 years ago
Define one standard meter, one standard kilogram and one second
lidiya [134]
<h3>The metre is the length of the path travelled by light in vacuum during a time interval of 1299 792 458 of a second.</h3>

6 0
3 years ago
Alice and Bob are each riding horses on a carousel. Alice's horse is twice as far from the axis of spin of the carousel as Bob's
FromTheMoon [43]

Answer:

option (a)

Explanation:

the angular velocity of the carousel is same througout the motion, so the angular velocity of all the horses is same, but the linear velocity is different for different horses.

As the angular displacement of all the horses are same in the same time so the angular velocity is same.

The relation between the linear velocity and the angular velocity is given by

v = r ω

where, v is linear velocity and r be the distance between the horse and axis of rotation and ω be the angular velocity.

So, the angular velocity of Alice horse is same as the angular velocity of Bob horse.

ωA = ωB

Thus, option (a) is true.

8 0
3 years ago
A proposed space elevator would consist of a cable stretching from the earth's surface to a satellite, orbiting far in space, th
Valentin [98]

Answer:

The escape speed for the craft is 1.49 m/s.

Explanation:

In this case we need to find the escape speed for a craft launched from a space elevator at a height of 56,000 km. The escape velocity is given by :

v=\sqrt{\dfrac{2GM}{d}}

Here,

G is universal gravitational constant

M is mass of earth

d = r + h, r is radius of Earth

v=\sqrt{\dfrac{2\times 6.67\times 10^{-11}\times 5.972 \times 10^{24}}{(6,371 \times 10^3\times 56000\times 10^3)}}\\\\v=1.49\ m/s

So, the escape speed for the craft is 1.49 m/s.

0 0
3 years ago
Other questions:
  • In a transverse wave that travels through a medium, the molecules of the medium vibrate
    12·1 answer
  • 2. The viscosity of a fluid is to be measured by an viscometer constructed of two 75–cm–long concentric cylinders. The outer dia
    7·1 answer
  • A child of mass 47 kg sits on the edge of a merry-go-round with radius 1.3 m and moment of inertia 56.3953 kg m2 . The merrygo-r
    15·1 answer
  • A block of mass m1 = 4 kg is moving at 4 m/s and collides with a block of mass m2 = 2 kg, which is moving at 5 m/s in the opposi
    10·1 answer
  • Two satellites, one in geosynchronous orbit (T = 24 hrs) and one with a period of 12 hrs, are orbiting Earth. How many times lar
    10·1 answer
  • 3. What is the relationship among wave speed, wavelength, and frequency?
    8·1 answer
  • assuming 100% efficient energy conversion how much water stored behind a 50 centimeter high hydroelectric dam would be required
    13·1 answer
  • If you have 100 kg of each of these substances, which would require the most energy to increase its temperature by 25 Kelvin?
    11·2 answers
  • When were the following metals discovered:
    6·1 answer
  • Help!! Please!!<br><br> 15 points<br> 15 points
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!