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olchik [2.2K]
3 years ago
15

What is another name for Kepler's first law? A. law of periods B. law of ellipses C. law of universal gravitation D. law of equa

l areas in equal times
Physics
1 answer:
pashok25 [27]3 years ago
8 0
B. Law of ellipses. which states that the path of planets about the Sun is in Elliptical shape (hence the name).
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Which of the following is NOT NECESSARILY a property of an air mass?
lilavasa [31]

Answer:

a.

Explanation:

a

The property of air mass include

1) it must be large.

2) it must have relatively uniform properties.

3)it must travel as a recognizable entity.

It must have a warm front at its leading edge, is not necessarily a property of an air mass because Not all air masses have a warm front at their leading edge. There are five types of air masses and different types of the front can be developed.

4 0
4 years ago
(AKS 1c) A bowler rolls a bowling ball with a speed of 4 m/s. It took 2s to reach the pins at the end of the lane. What is the f
Advocard [28]

Answer:

B is the answer

Explanation:

When A is divided by 7x, it multiplies to0.81

6 0
3 years ago
A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car?
Oksi-84 [34.3K]

Explanation:

Total displacement = 200 km

Total time taken = 2 hour...

Now...

average \: velocity \:  =  \frac{total \: displacement}{total \: time \: taken \: }  \\

=  \frac{200}{2}  \\

= 100 kilometers/hour south

5 0
2 years ago
A small object slides along the frictionless loop-the-loop with a diameter of 3 m. what minimum speed must it have at the top of
otez555 [7]
<span>3.834 m/s. In this problem we need to have a centripetal force that is at least as great as the gravitational attraction the object has. The equation for centripetal force is F = mv^2/r and the equation for gravitational attraction is F = ma Since m is the same in both cases, we can cancel it out and then set the equations equal to each other, so a = v^2/r Substitute the known values (radius is diameter/2) and solve for v 9.8 m/s^2 <= v^2/1.5 m 14.7 m^2/s^2 <= v^2 3.834057903 m/s <= v So the minimum velocity needed is 3.834 m/s.</span>
4 0
4 years ago
In chemical reactions, energy is absorbed or released in the form of:
dsp73

Answer:

all chemical reaction involved in early enough energy used to break bonds in reactants and energy released when you want from product

Edith a remake reaction absorb energy and epidemic reaction release energy flow of conversion of energy states that matter cannot be created or destroyed .

6 0
3 years ago
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