3 years ago

What is the diurnal motion of the stars

1 answer:

8 0

The answer is shown below:

"The diurnal motion" of the stars is defined as the apparent daily motion of stars around the Earth. The cause for this "apparent motion of stars" was proposed by Heraclides (who was a Greek philosopher and astronomer). He afirmed that this was created by the Earth's rotation on its axis, which is completed in 23 hours, 56 minutes and 4.09 seconds.

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How do scientist study the earth through plate tectonic plates and boundaries/

Serggg [28]

Answer:

By plotting the locations of earthquakes

Explanation:

When plotting the locations of earthquakes, scientists have been able to locate plate boundaries and also be able to determine plate characteristics and predict the movement of plates

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3 years ago

What makes a force a vector quantity

klasskru [66]

Answer:

A vector quantity is a quantity that has both magnitude and direction.

Explanation:

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3 years ago

A wrench is accidentally dropped at the top of an elevator shaft in a tall building. (a) How many meters does the wrench fall in

RUDIKE [14]

Answer:

11.25m

Explanation:

$s = ut + \frac{1}{2} a {t}^{2} \\ = 0 \times 1.5 + \frac{1}{2} \times 10 \times {1.5}^{2} \\ = 5 \times 2.25 \\ = 11.25$

6 0

3 years ago

An automobile with a mass of 1214 kg accelerates at a rate of 5 m/s² in the forward direction. What is the net force acting on t

oksano4ka [1.4K]

F=m*a=1214kg*5m/s²=6070 N

3 0

3 years ago

Please answer my quastions

Neko [114]

Answer:

a) 120 N

b) 5 N

c) 0.2 N

d) Mass remains the same, and weight decreases.

Explanation:

Use the formula W = mg, where mass is in kg, and gravitational field strength in N/kg.

W = mg

= 12 × 10

= 120 N

500 g = 0.5 kg

W = mg

= 0.5 × 10

= 5 N

20 g = 0.02 kg

W = mg

= 0.02 × 10

= 0.2 N

Mass remains the same, and weight decreases.

6 0

3 years ago