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2 months ago

Guest #8101

2 months ago

reading will be affected by the deflection of the ship that was one disadvantage of astrolabes.advantage is it help find the position of the star

Question

List the five categories of a star. What is the difference of the elements that make them up? Please answer as fast as possible.
BTW: Thank you to all those who reply.

Solution 1

A star burns hydrogen into helium which are the two lightest elements.

Question

A wire delivers 12.0 C of charge in 4.0 s.
What is the current in the wire?

Solution 1

Current, as defined by the number of amps, can be calculated by rearranging the equation C=As, where C is coulombs, A is amps, and s is seconds.

C=As

12=A(4)

A=3

The current of the wire is 3 Amperes.

C=As

12=A(4)

A=3

The current of the wire is 3 Amperes.

Question

In 1999, what percentage of 36-month-old toddlers had been toilet trained? 20 percent
40 percent
60 percent
80 percent

Solution 1

I think your answer here is 40 percent.....

Question

What occurs when an object travels in a curved path

Solution 1

There must be a centripetal force to move the object move in a curve path.

Solution 2

**Answer:**

There must be a centripetal force to move the object move in a curve path.

**Explanation:**

Question

A cable capable of pulling 4,500 N snapped while trying to drag a 20,000 N compressor across the street. What is the coefficient of static friction for this scenario? Note: the 4500 N cable is used as Fs and is calculated the same as Fk
0.225
> 0.225
4,500 N
> 4,500 N
4.44
> 4.44
Please explain to me how you get your answer.

Solution 1

**Answer:**

**Explanation:**

The cable snapped because the frictional force was greater than the tension in the rope:

Now,

where is the coefficient of static friction, and is the normal force. In our case, the normal force on the compressor is 20,000 N; therefore,

.

Putting this into the condition , we get:

Solution 2

**Answer:**

>0.225 is correct if its not please let me know I'm willing to help!

Question

What are 2 ways we use astronomical units

Solution 1

To measure the distance to the sun and measure distances to the planets.

Question

Using Hooke's law, F subscript s p r i n g end subscript equals k increment x, find the elastic constant of a spring that stretches 2 cm when a 4 newton force is applied to it. A. 1/2 N/cm
B. 2 N/cm
C. 4 N/cm
D. 8 N/cm

Solution 1

Let's rewrite Hook's law:

where

F is the force

k is the spring's constant

x is the compression/elongation of the spring

Neglecting the sign (since we are not interested in the direction of the force), we can re-arrange the formula and use the data of the problem to find the spring constant:

Therefore, the correct answer is B) 2 N/cm.

where

F is the force

k is the spring's constant

x is the compression/elongation of the spring

Neglecting the sign (since we are not interested in the direction of the force), we can re-arrange the formula and use the data of the problem to find the spring constant:

Therefore, the correct answer is B) 2 N/cm.

Solution 2

**Answer:**

b. 2N/cm

**Explanation:**

i took the test

Question

Our sun is composed of primarily
A) carbon.
B) helium.
C) hydrogen.
D) uranium.

Solution 1

If i remember correctly the answer is C.

~~~hope this helps~~~

~~have a beautiful day~~

~davatar~

~~~hope this helps~~~

~~have a beautiful day~~

~davatar~

Solution 2

**Answer:**

If this is multiple answer question then the answers are B,C

but if there is only one answer than the answer is C

**Explanation:**

Question

The majority of the fossils found in Indiana have been marine fossils. These include things like mollusks, coral, and clam relatives. The existence of so many marine fossils here indicates that
A) we don't know as much as we think.
B) Indiana was once covered by the ocean.
C) a giant flood must have brought them here.
D) marine animals create fossils much more readily.

Solution 1

I think the answer is B

Solution 2

The answer is b because Indiana is close by shore and is possible that is might have been under the ocean.

Question

What happens to water at 100 degree

Solution 1

If its Celsius it boils.

Solution 2

Then it boils.Because water boils at 100 degrees celsius.

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