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Marina CMI [18]
2 years ago
6

Because the earth's orbit is slightly elliptical, the earth actually gets closer to the sun during part of the year. When the ea

rth is closer to the sun its orbital speed is Group of answer choices less than when the earth is farthest away from the sun. the same as when the earth is farthest away from the sun. greater than when the earth is farthest away from the sun. Flag question: Question 13 Question 13.
Physics
1 answer:
BabaBlast [244]2 years ago
5 0

Closer to the sun . . . orbital speed is faster.

Farther from the sun . . . orbital speed is slower.

Flag answer:  Answer 13  Answer 13

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An electron with a charge e and mass m is accelerated from rest for a time T by a uniform electric field that exerts a force F o
Basile [38]

Answer:

E =\frac{F}{e}

Explanation:

charge of the electron = e

mass of the electron = m

Force due to electric field = F

initial velocity = 0

time taken = T

Electric field is the region around a particle which is charge where in a force is exerted on another particle which is charged.

Force on electron due to presence of uniform electric field (E):

F = e E

⇒E =\frac{F}{e}

5 0
3 years ago
What effect does the time taken to lift the mass have on power output?
sineoko [7]
The longer the time taken, the lower the power output.

This is since power is calculated through

Energy transferred / time

Increasing the denominator will lead to a lower value overall
4 0
2 years ago
3. Silk fibre is obtained from______
USPshnik [31]

Answer:

Silk fibre is obtained from <u>silkworms</u>

whereas artificial silk is obtained by

chemical treatment of <u>wood pulp/cellulose.</u>

Explanation:

Artificial silk, or rayon, is made from cellulose, obtained from cotton or wood pulp.

So any one of them in 2nd blank is correct.

8 0
3 years ago
What are AR,L,K in the periodic table
Scilla [17]

Answer:

Argon, Lithium and Potassium

Explanation:

7 0
3 years ago
Read 2 more answers
How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and
aev [14]

Answer:

h= 46.66 m

Explanation:

Given that

Initial speed of the car ,u = 110 km/h

We know that

1 km/h= 0.277 m/s

u= 30.55 m/s

lets height gain by car is h.

The final speed of the car will be zero at height h.

v²=u²- 2 g h

v= 0 m/s

0²=30.55²- 2 x 10 x h           ( g = 10 m/s²)

h= 46.66 m

4 0
3 years ago
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