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horsena [70]
3 years ago
5

As Earth moves around the Sun, its _____ is approximately perpendicular to the force of gravity exerted by the Sun.

Physics
2 answers:
QveST [7]3 years ago
7 0

Answer:

D) Velocity

Explanation:

i think lol..

Bogdan [553]3 years ago
4 0

SORRY i forgot but i think its A because the sun has a really strong gravitational pull


sorry and hope it helps

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Gene therapy is a form of <br> .
stira [4]

Answer:

Gene therapy is an experimental form of treatment that uses gene transfer of genetic material into the cell of a patient to cure the disease. The idea is to modify the genetic information of the cell of the patient that is responsible for a disease, and then return that cell to normal conditions.

Explanation:

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3 years ago
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Why is the moons surface much more heavily cratered than earths surface
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The earth has less creators because there is a protective atmosphere which makes the asteroids burn up before they hit the surface of earth. Which means by the moon not having an atmosphere small rocks are easily colliding with the moons surface.
4 0
3 years ago
When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a sp
Zielflug [23.3K]

Answer:d=7.94\times 10^5\ m

Explanation:

Given

Speed of Primary wave v_1=8\ km/s

Speed of secondary wave v_2=4.5\ km/s

difference in timing of two waves are 77.2\ s

Suppose both travel a distance of d km then

t_1=\frac{d}{8}\quad \ldots (i)

t_2=\frac{d}{4.5}\quad \ldots (ii)

Subtract (ii) from (i)

\frac{d}{4.5}-\frac{d}{8}=77.2

d[\frac{1}{4.5}-\frac{1}{8}]=77.2

d[0.0972]=77.2

d=794.23\ km

d=7.94\times 10^5\ m

7 0
3 years ago
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surfac
frutty [35]

Answer:

Velocity=1.1m/s

Amplitude=0.35m

Explanation:

Given:

time 't' = 2.9s

wavelength 'λ'= 5.5m

distance 'd'=0.7m

The time period 't' is the time b/w two successive waves. Therefore, the time it takes from the boat to travel  from its highest point to its lowest is a half period.

So, T = 2 x 2.9 => 5.8 s

As we know that frequency is the reciprocal of time period, we have

f= 1/T = 1/5.8 =>0.2 Hz

In order to find how fast are the waves traveling, the velocity is given by

Velocity = f λ

V= 0.2 x 5.5 =>1.1m/s

The distance between the boat's highest point to its lowest point is double the amplitude.

Therefore , we can write

Amplitude 'A'= d/2 =>0.7/2 =>0.35m

8 0
3 years ago
Physics Homework MathPhys homie if you see this pls help
cluponka [151]

Answer:

1. -8.20 m/s²

2. 73.4 m

3. 19.4 m

Explanation:

1. Apply Newton's second law to the car in the y direction.

∑F = ma

N − mg = 0

N = mg

Apply Newton's second law to the car in the x direction.

∑F = ma

-F = ma

-Nμ = ma

-mgμ = ma

a = -gμ

Given μ = 0.837:

a = -(9.8 m/s²) (0.837)

a = -8.20 m/s²

2. Given:

v₀ = 34.7 m/s

v = 0 m/s

a = -8.20 m/s²

Find: Δx

v² = v₀² + 2aΔx

(0 m/s)² = (34.7 m/s)² + 2 (-8.20 m/s²) Δx

Δx = 73.4 m

3. Since your braking distance is the same as the car in front of you, the minimum safe following distance is the distance you travel during your reaction time.

d = v₀t

d = (34.7 m/s) (0.56 s)

d = 19.4 m

6 0
4 years ago
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