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aleksley [76]
3 years ago
15

How long does it take to reach the sun?

Physics
1 answer:
svlad2 [7]3 years ago
5 0
8 minutes 20 seconds to and just over 160 days
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Which term describes the number of thoughs that pass a point in a given amount of time
NeX [460]

The term that describes the number of thoughs that pass a point in a given amount of time is FREQUENCY.

In wave theory, frequency refers to the number of wave that pass through a fixed point in a given amount of time. Frequency is usually measure in Hertz. The mathematical formula for finding frequency is:

F = Velocity of wave / wavelength of wave.

5 0
3 years ago
2. Ms. Evelyn lined up her students at recess on the soccer field. She told each student to kick a soccer ball as hard as they c
mash [69]

Answer

A. Yes, because they did several tests with the soccer balls and recorded their observations. B. Yes, because every student kicked

Explanation:

5 0
3 years ago
All objects are either ___________ or ___________. Charged objects can have a ____________ or _____________ charge. Uncharged ob
KATRIN_1 [288]

All objects are either <u>charged</u> or <u>uncharged</u><u>.</u> Charged objects can have a <u>positive</u> or <u>negative</u> charge. Uncharged objects will have a <u>no</u> charge. Charged objects that have the same charges will <u>repel</u> each other. Charged objects with opposite charges will <u>a</u><u>t</u><u>t</u><u>r</u><u>a</u><u>c</u><u>t</u> each other. Uncharged objects can become <u>charged</u><u>.</u> The charge an object has gives it <u>electric</u> energy. The charged object’s ability to attract (pull) or repel (push) other objects is called <u>electrostatic</u> force.

5 0
3 years ago
A rock has a mass of 3.1 kg. What is its weight on earth
Masteriza [31]

Answer:

W = 30.38 N

Explanation:

Given that,

Mass of a rock, m = 3.1 kg

We need to find the weight of the rock on the surface of Earth. Weight of an object is given by :

W = mg

g is the acceleration due to gravity, g = 9.8 m/s²

W = 3.1 kg × 9.8 m/s²

= 30.38 N

So, the weight of the rock on the Earth is 30.38 N.

6 0
3 years ago
Find the fundamental frequency and the next three frequencies that could cause standing-wave patterns on a string that is 30.0 m
maksim [4K]

Answer:

0.786 Hz, 1.572 Hz, 2.358 Hz, 3.144 Hz

Explanation:

The fundamental frequency of a standing wave on a string is given by

f=\frac{1}{2L}\sqrt{\frac{T}{\mu}}

where

L is the length of the string

T is the tension in the string

\mu is the mass per unit length

For the string in the problem,

L = 30.0 m

\mu=9.00\cdot 10^{-3} kg/m

T = 20.0 N

Substituting into the equation, we find the fundamental frequency:

f=\frac{1}{2(30.0)}\sqrt{\frac{20.0}{(9.00\cdot 10^{-3}}}=0.786 Hz

The next frequencies (harmonics) are given by

f_n = nf

with n being an integer number and f being the fundamental frequency.

So we get:

f_2 = 2 (0.786 Hz)=1.572 Hz

f_3 = 3 (0.786 Hz)=2.358 Hz

f_4 = 4 (0.786 Hz)=3.144 Hz

6 0
4 years ago
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