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
svetlana [45]
3 years ago
9

On which date is the gravitational force between Earth and the moon the greatest?

Physics
1 answer:
Genrish500 [490]3 years ago
3 0

The gravitational forces between the Earth and Moon are greatest when the two bodies are closest together. That happens every 27.32 days, when the Moon is at the perigee of its orbit.

Even if this happened at the same time in every orbit, the date would change, because there are not 27.32 days in a month.

But it doesn't happen at the same time in every orbit ... the Moon's perigee precesses around its orbit, on account of the gravitational forces toward the Earth, the Sun, Venus, Mars, and the other planets.

You might be interested in
A sports car accelerates from zero to 30 mph in 1.5 s. How long does it take for it to accelerate from zero to 60 mph, assuming
Yakvenalex [24]

Answer:

4.5s

Explanation:

A sports car accelerates from zero to 30 mph in 1.5 s.

7 0
3 years ago
Read 2 more answers
If you have 80g of a radioactive substance whose half life is 2 days, how long will it take for the substance to decay to the po
Ber [7]

Answer:

6 days.

Explanation:

From radioactivity, The expression for half life is given as,

R/R' = 2⁽ᵃ/ᵇ)................... Equation 1

Where R = original mass of the radioactive substance, R' = Remaining mass of the radioactive substance after decay, a = Total time taken to decay, b = half life.

Given: R = 80 g, R' = 10 g, b = 2 days.

Substitute into equation 1

80/10 = 2⁽ᵃ/²⁾

8 = 2⁽ᵃ/²⁾

2³ = 2⁽ᵃ/²)

Equating the base and solving for a

3 = a/2

a = 2×3

a = 6 days.

5 0
3 years ago
A 2500-lb vehicle has a drag coefficient of 0.35 and a frontal area of 20 ft2. What is the minimum tractive effort required for
emmasim [6.3K]

Answer:

i put this in the calculator and my answer is 600. hope this helps

Explanation:

4 0
3 years ago
Which of the following does not change the resistance of a wire?
ivanzaharov [21]
Number 1. The medium around the wire
3 0
2 years ago
Biker A is cruising at a speed of 10.0 m/s when she passes biker B who is at rest at the origin of the coordinate system. Biker
Burka [1]

Answer: attached

Explanation:

3 0
3 years ago
Other questions:
  • An object is dropped from rest and falls freely 20 m to Earth. When is the speed of the object 9.8 m/s?
    6·1 answer
  • Please help ! will mark brainliest < 3
    8·1 answer
  • When an athlete holds the barbell directly over his head, the force he exerts on the barbell is the same as the force exerted by
    8·1 answer
  • A stone is thrown vertically upward with a speed of 18 m/s. (a) How long does it take the stone to reach a height of 11 m? (b) h
    10·1 answer
  • A 3.00-kg box that is several hundred meters above the earth’s surface is suspended from the end of a short vertical rope of neg
    13·1 answer
  • Which process can separate out the solute from the solvent?
    8·2 answers
  • You are writing a report about space travel. Where would be the best place to find information? (2 points)
    10·2 answers
  • HEELLLPPPPP !
    5·1 answer
  • A 100-n object and a 50-n object are placed on scales a and b respectively inside an elevator ascending with constant velocity
    6·1 answer
  • What is the nergy of a wave that has a<br> frequency of 6.32 x 10^20 Hz?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!