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Of the four waves whose frequencies are listed below, which has the shortest period? A) 12 kHz (kilohertz). B) 6,000 Hz (or 6 kHz). C) 205 Hz. D) 1 kHz (kilohertz).

Nadavfima asked Dec 26, 2024

by Nadavfima

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4 votes

208k views

A table of mass 10 kg is lifted so that the gravitational potential energy of the table increases by 1470 J. How high is the table lifted? Acceleration due to gravity is g = 9.8 m/s squared

Foredoomed asked Dec 26, 2024

by Foredoomed

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1 answer

3 votes

127k views

The diagram below shows the path of a planet around a star. At which point does the planet have the highest acceleration? O A. Point A O B. Point O C. Point D OD. Point B

Abalos asked Dec 26, 2024

by Abalos

8.4k points

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5 votes

225k views

The minimum energy required to break the oxygen-oxygen bond in Oz is 495 KJ/mol. What is the longest wavelength of radiation that possesses the necessary energy to break the O- O bond in one molecule?

Xpanta asked Dec 26, 2024

by Xpanta

7.9k points

1 answer

2 votes

235k views

A marble moving 1.48 m/s rolls off the top edge of a 1.25-m high table in a room where there is no appreciable air resistance and the acceleration due to gravity is 9.80 m/s². How far from the base of

Andy Res asked Dec 26, 2024

by Andy Res

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1 vote

120k views

What pattern would you expect to see in the motion of the laser dot over six years?

RichieAHB asked Dec 26, 2024

by RichieAHB

7.4k points

1 answer

2 votes

20.7k views

A loaded Costco shopping cart has a weight of 167 pounds (lb). You have to push the cart with a force of 15 pounds (lb) to keep it moving with a constant velocity of 1.0 m/s. What must be the magnitude

John Saunders asked Dec 26, 2024

by John Saunders

8.0k points

1 answer

1 vote

200k views

An object is fired straight up with a velocity of 32 ft./s. The height (h) reached by the object at (t) seconds is given by h(t) = -8t + 32t. When does the object hit the ground? A) 8 seconds B) 4 seconds

Ggordon asked Dec 26, 2024

by Ggordon

8.1k points

1 answer

4 votes

113k views

If an atom had a radius of 100 m, it would be approximately the size of a football stadium. On this scale, what would the radius of the atomic nucleus be? The radius of the nucleus is approximately 10000

Kamil Mikolajczyk asked Dec 26, 2024

by Kamil Mikolajczyk

8.4k points

1 answer

5 votes

159k views

How many turns are required to produce 23.0 mH with a coil wound on a cylindrical core having a cross-sectional area of 13 * 10⁻⁵ mi² and a length of 35 cm? The core has a permeability of 1.2×10⁻⁶ H/m.

Tharaka asked Dec 26, 2024

by Tharaka

8.8k points

1 answer

3 votes

7.6k views

What is the missing number in the nuclear reaction shown below?

Justin Iurman asked Dec 26, 2024

by Justin Iurman

7.6k points

1 answer

1 vote

34.7k views

The amount of _______needed to make an object change its ______ depends on the_____ of the object and the _____ required.

Ronak Dhoot asked Dec 26, 2024

by Ronak Dhoot

8.4k points

1 answer

1 vote

6.4k views

A transformer has 10 loops on its primary coil and 20 loops on its secondary coil. If the primary coil is supplied with 120 V, what is the voltage in the secondary coil? a) 6 V b) 60 V c) 240 V d) 20 V

Charisis asked Dec 26, 2024

by Charisis

8.9k points

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3 votes

181k views

A 1.2kw is connected to a voltage of wire 240v the resistance of the heater element and the current drawn by the current respectively

Dattebayo asked Dec 26, 2024

by Dattebayo

8.1k points

1 answer

4 votes

43.8k views

two solid cylindrical disks have equal radii. the first disk is spinning clockwise at 18 rad/s and the second disk is spinning counterclockwise at 4rad/s. the second disk has a mass 1.37 times larger than

Saiwing asked Dec 26, 2024

by Saiwing

8.0k points

1 answer

3 votes

62.9k views

A speed boat increases its speed uniformly from vi = 20.0 m/s to vf = 30.0 m/s in a distance of 2.00 x 10²m. A) For the given information, what single equatino is most appropriate for finding the acceleration?

Rukamakama asked Dec 26, 2024

by Rukamakama

8.6k points

1 answer

3 votes

135k views

The rate constant for the decomposition of reactant A is 0.0092 s^-1. How long will it take for 80% of the reactant to decompose? Please answer in seconds and round your answer to one decimal place. a)

Brettins asked Dec 26, 2024

by Brettins

8.2k points

1 answer

1 vote

25.3k views

Devon knits at a constant rate. In 1/4 h, Devon adds 10 in. to a scarf. Determine whether each statement about Devon's knitting is true or false. A. True, Devon knits at a rate of 40 inches per hour. B.

Walrus asked Dec 26, 2024

by Walrus

7.1k points

1 answer

0 votes

105k views

The Mars Reconnaissance Orbiter orbits Mars at an altitude of about 275 km. Using the mass and radius of Mars, how long does it take to orbit once?

Maestro asked Dec 26, 2024

by Maestro

7.1k points

1 answer

0 votes

109k views

Suppose the speedometer in your car reads 55.0 mph. What is your speed in km/hr? (1 km = 0.621 mi.) a. 34.1 b. 0.029 c. 88.6 d. 0.011

Phill Duffy asked Dec 26, 2024

by Phill Duffy

7.5k points

2 answers

1 vote

60.3k views

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