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
larisa86 [58]
3 years ago
8

A satellite is held in orbit by a 2000- N gravitational

Physics
1 answer:
KengaRu [80]3 years ago
4 0

Answer:

The work done by gravity is zero.

Explanation:

Given that,

Gravitational force = 2000 N

Circumference = 80000 km

We need to calculate the work done by gravity

Using formula of work done

W=F\cdot d\cos\theta

Here, \cos\theta = 0

Because, for a circular motion is always perpendicular to the force.

Where, F = force

d = distance

Put the value into the formula

W=2000\times80000\times0

W=0

Hence, The work done by gravity is zero.

You might be interested in
What are 4 physical properties for the bear
Pie

Answer:

A bear normally has a short, thick neck, a rounded head, a pointed muzzle, short ears, and small eyes. Some species have round faces. Bears have poor eyesight, and most have only fair hearing.

Explanation:

Modern Bears are characterized with large body and stocky legs, a long snout, shaggy hair, plantigrade paws with five non-retractile claws and a short tail.

Grizzly bears (Ursus arctos horribilis) have concave faces, a distinctive hump on their shoulders, and long claws about two to four inches long. Both the hump and the claws are traits associated with a grizzly bear's exceptional digging ability. Grizzlies are often dark brown, but can vary from blonde to nearly black.

The brown bear has a slight hump above its shoulder, round ears, a long snout and big paws with long, curved claws that it uses for digging. Unlike the black bear, it can't climb trees. It can weigh between 350-1,500 pounds. When standing on its hind legs it can be up to 5 feet tall.

Hope this helps     :)

(I didn't know which type of bear so i did brown bear and grizzly bear)

3 0
3 years ago
My uncle wants to play twister with me and my little sister but he gets a lil too wild. What do I do ?
Lelu [443]

Get even wilder so he knows your'e not the one to joke with!

Hope This Helps Him Calm Down:)

8 0
3 years ago
Read 2 more answers
A vertical wire carries a current straight down. To the east of this wire, the magnetic field points: A) toward the east. B) tow
geniusboy [140]

Answer:

option E

Explanation:

the correct answer is option E

the direction of magnetic field will be found out with the help of right hand rule.

Put you palm in the direction of electric field and curl your finger in the direction of magnetic field which east direction.

 now, the direction shown by the thumb will be the direction of magnetic field  which comes out to be toward South direction.

6 0
3 years ago
Read 2 more answers
Ngle of a block is 45 degrees. What is the refractive index​
lyudmila [28]
1.6 ??? I hope I’m right
3 0
3 years ago
3. A dog walks a distance of 100 ft. in 20 s of time. What is the dog's
natta225 [31]
The answer is A.
100/20=5
8 0
3 years ago
Read 2 more answers
Other questions:
  • Recall the previous question and the scenario with Zamir and Talia finding their way through a maze. Why is their displacement t
    6·2 answers
  • The mass of Planet X is one-tenth that of the earth, and its diameter is one-half that of the earth. the acceleration due to gra
    12·1 answer
  • How many elections do atoms typically “want” in their valence shell? This is timed, please help!
    12·1 answer
  • A worker at the top of a 588-m-tall television transmitting tower accidentally drops a heavy tool. If air resistance is negligib
    8·1 answer
  • Several large firecrackers are inserted into the holes of a bowling ball, and the 6.3 kg ball is then launched into the air with
    5·1 answer
  • Suppose you wish to construct a motor that produces a maximum torque whose magnitude is 1.7 × 10-2 N·m. The coil of the motor ha
    11·1 answer
  • What is usually true about the relationship between the speed mechanical waves travel and the temperature of the medium?
    11·1 answer
  • The photo shows a toy spring. What kind of energy does the toy have because of its shape?
    5·2 answers
  • Abishek is a runner. He runs the 100 m sprint
    5·2 answers
  • The power of a lens is 4. 0 diopters and its diameter is 5. 0 cm. what is the focal length of this lens?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!