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Find the velocity of a semi-truck that has a mass of 1200kg and a momentum of 1800kg⋅m/s. a) 0.33m/s b) 1.5m/s c) 1.8m/s d) 2.4m/s

Viebel asked Dec 23, 2024

by Viebel

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A 1 kg container is held in suspension by two ropes of tension T1 and T2. The angle θ = 30º. What is the value of the tension T1? a) T1 = 9.81 N b) T1 = 5 N c) T1 = 10 N d) T1 = 8 N

Hann asked Dec 23, 2024

by Hann

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5 votes

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If 15.0 liters of oxygen at STP are heated to 315°C, what will be the new volume of gas if the pressure is also increased to 1245.0 mmHg? a) 7.5 liters b) 30 liters c) 60 liters d) 15 liters

Froyo asked Dec 23, 2024

by Froyo

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3 votes

220k views

Note the Wikipedia article for 'Atomic nucleus' was awkward here because first they depict the old concept with protons and neutrons as a bunch of spheres touching each other and in the sub-text explain

Eldad Assis asked Dec 23, 2024

by Eldad Assis

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The idea that all animals were created in their present form and could be organized according to their level of perfection was called

Jason Angel asked Dec 23, 2024

by Jason Angel

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2 votes

31.1k views

A student creates diagrams of two models to show magnified views of molecular motion in a solid and a liquid, as shown. Answering which question will enable the student to determine which sample has more

Amiasato asked Dec 23, 2024

by Amiasato

8.1k points

1 answer

5 votes

19.0k views

Spectral lines screen in the solar spectrum are due to: a. frequency differences b. energy differences c. temperature differences d. absorption

MirlvsMaximvs asked Dec 23, 2024

by MirlvsMaximvs

7.3k points

1 answer

3 votes

75.2k views

Electric utility installations and equipment under the exclusive control of the utility do not have to conform to the National Electrical Code. However, they do have to conform to the ______________________.

Viatcheslav Ehrmann asked Dec 23, 2024

by Viatcheslav Ehrmann

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1 answer

1 vote

196k views

A car travels at a constant speed along the curved path shown from above in figure Q3.21 Five possible vectors are also shown in the figure. Letter E represents the zero vector. Which vector best represents

Jonas Stensved asked Dec 23, 2024

by Jonas Stensved

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1 answer

3 votes

104k views

From rest a bicycle accelerates at 6.4 m/s2 for 3.9 sec. How fast did the bike get to?

Betitall asked Dec 23, 2024

by Betitall

7.9k points

1 answer

4 votes

165k views

A wire with a length of 150 m and a radius of 0.15 mm carries a current with a uniform current density of 2.8 × 107 a/m 2 . the current is: a. 0.63 a2 b. 2.0 a c. 5.9 a2 d. 296 a e. 400 a2

Salar Pourfallah asked Dec 23, 2024

by Salar Pourfallah

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3 votes

148k views

a particle has an initial velocity of 30 m/s to the left. if it then passes through the same location 5 seconds later with a velocity of 50 m/s to the right, the average velocity of the particle during

Darvas asked Dec 23, 2024

by Darvas

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1 vote

142k views

All Navy ships have how many material conditions of readiness? 1. One 2. Two 3. Three 4. Four

Sambold asked Dec 23, 2024

by Sambold

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85.2k views

Explain the differences among the mechanical energy of a ball, its thermal energy, and its temperature.

Pedro Lacerda asked Dec 23, 2024

by Pedro Lacerda

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2 votes

132k views

Which of these is not a unit of volume?

Sdepold asked Dec 23, 2024

by Sdepold

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5 votes

233k views

Find the wavelength of photons that eject 0.100-eV electrons from potassium, given that the binding energy is 2.24 eV. a)300 nm b)400 nm c)500 nm d)600 nm

Phil Hunt asked Dec 23, 2024

by Phil Hunt

7.9k points

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119k views

Which galaxy is called a barred-spiral galaxy? O O

Acolchagoff asked Dec 23, 2024

by Acolchagoff

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1 answer

5 votes

123k views

HELPP PLEASE!!!!....

Christijk asked Dec 23, 2024

by Christijk

8.6k points

1 answer

4 votes

82.4k views

How do the varying characteristics of Earth's atmospheric layers affect the types of wavelengths that are reflected back into space, absorbed or allowed to pass to Earth's surface

Socowi asked Dec 23, 2024

by Socowi

7.7k points

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3 votes

89.1k views

Select the correct answer from each drop-down menu. A ball starts from rest. It rolls down a ramp and reaches the ground after 4 seconds. Its final velocity when it reaches the ground is 7.0 meters/second.

Super Cool asked Dec 23, 2024

by Super Cool

7.4k points

2 answers

2 votes

235k views

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