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Scientists have direct evidence of the Earth's structure to 1) the inner core. 2) the upper mantle (~250 km (155 mi)). 3) about 12 km (7.6 mi) from the surface. 4) 15 km (9.3 mi) from the surface, based

Pbaldauf asked Dec 26, 2024

by Pbaldauf

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Name the SI Unit for density. a) Kilogram per meter cubed (kg/m^3) b) Newton (N) c) Joule (J) d) Watt (W)

Cristian Muscalu asked Dec 26, 2024

by Cristian Muscalu

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What property of light allows a laser beam to travel down an optical fiber?

Yahnoosh asked Dec 26, 2024

by Yahnoosh

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1 vote

33.4k views

Water vapor can move in three ways ___ transportation, diffusion through materials, ___ diffusion. A) Bulk transportation, evaporation diffusion, surface diffusion. B) Convective transport, pressure-driven

Clmarquart asked Dec 26, 2024

by Clmarquart

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32.6k views

Who is credited as being the first to measure speed? 1) Galileo 2) Newton 3) Einstein 4) Tesla

Sudheesh R asked Dec 26, 2024

by Sudheesh R

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1 answer

2 votes

232k views

A truck of mass 10,000 kg climbs a vertical height of 200 m with the help of a 5000 N force. If its efficiency is 80%, calculate the additional mass that can be carried by the truck. a) 10,000 kg b) 7,

Tommi Kyntola asked Dec 26, 2024

by Tommi Kyntola

7.9k points

1 answer

5 votes

207k views

Radiation dosimeters be exchanged for accurate monitoring of radiation exposure? A) Once B) Twice C) Four times D) It depends on the individual's exposure level

Axel Wolf asked Dec 26, 2024

by Axel Wolf

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1 answer

4 votes

191k views

During a marathon race, a runner’s blood flow increases to 10.0 times her resting rate. Her blood’s viscosity has dropped to 95.0% of its normal value, and the blood pressure difference across the circulatory

Kanwarjeet Singh asked Dec 26, 2024

by Kanwarjeet Singh

7.4k points

1 answer

2 votes

147k views

Write down the relationship between the net force and the displacement from equibrium

Ajnas Askar asked Dec 26, 2024

by Ajnas Askar

8.4k points

1 answer

1 vote

190k views

Which tools do astronomers use to determine the effects of collisions between galaxies? a) solar system models solar system models b) space telescopes space telescopes c) print encyclopedia entries print

Darrend asked Dec 26, 2024

by Darrend

8.7k points

1 answer

1 vote

74.9k views

Why does an object's velocity matter when designing a trebuchet?

NShiny asked Dec 26, 2024

by NShiny

8.0k points

1 answer

5 votes

215k views

Name the two distinct parts of an open-loop control system. How does an open loop control system differ from a closedloop control system? Describe how each part of an open-loop control system might function

Kadu asked Dec 26, 2024

by Kadu

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49.1k views

what is the SI unit of charge and how is this related to the fundamental unit of charge? How is this different for an electron and a proton

Phoet asked Dec 26, 2024

by Phoet

8.1k points

1 answer

2 votes

63.5k views

How does an electromagnetic wave propagates?

Radhwane Chebaane asked Dec 26, 2024

by Radhwane Chebaane

8.1k points

1 answer

1 vote

74.4k views

A 5.0-m-diameter merry-go-round is initially turning

MastaBlasta asked Dec 26, 2024

by MastaBlasta

8.2k points

1 answer

5 votes

226k views

A nail on a vertical wall pulled by means of a string attached to its head. If the string makes angle of 40° to the horizontal and it exerts a force of 100N on the nail, what will be the force that tend

Tyreese asked Dec 26, 2024

by Tyreese

8.0k points

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1 vote

31.9k views

A bowling ball and a tennis ball are dropped separately in such a way that both have the same kinetic energy when they hit the ground. Were they dropped from the same height or a different height? If the

Gameover asked Dec 26, 2024

by Gameover

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1 answer

3 votes

183k views

What is the charge q ? Give your answer in nC. Express your answer in nanocoulombs. An electric dipole is formed from two charges, ±q. View Avaliable Hint(s) spaced 1.2 cm apart. The dipole is at the origin,

Henrique Aron asked Dec 26, 2024

by Henrique Aron

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1 answer

2 votes

203k views

a star is several thousand lightyears away from earth. it has a planet orbiting around it with a semi-major axis of a few tens of au, and a mass of a several earth masses. which exoplanet detection method

Aberger asked Dec 26, 2024

by Aberger

8.2k points

1 answer

5 votes

35.5k views

which of the objects in the previous question do you think relies the most on both the particle and wave model?

Gustavo Litovsky asked Dec 26, 2024

by Gustavo Litovsky

7.6k points

1 answer

3 votes

194k views

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