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The atmospheric pressure builds up from its outer boundary toward the surface. At 1 bar pressure, the temperature is -108°C, and the density of the atmospheric gas mixture is 0.16 kg/m". What is the average

Varnit asked Jun 13, 2024

by Varnit

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Two friends A and B started at different times and covered 30km as shown in the graph. Identify the correct statement from the following. option 1 - A and B move with the same speed option 2 - B moves

Nikunj Patel asked Jun 13, 2024

by Nikunj Patel

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How many seconds will elapse between seeing lightning and hearing the thunder if the lightning strikes 3.5 mi (18480 ft) away and the air temperature is 62.7°F?

Yohan D asked Jun 13, 2024

by Yohan D

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4 votes

39.2k views

What determines the frequency of the AC signal produced from an AC alternator? A rpm of the rotor, number of poles B) the number of rotors, rpm of the poles C) diameter of the rotor D diameter of the windings

Patrick Schocke asked Jun 13, 2024

by Patrick Schocke

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1 answer

3 votes

215k views

If a car can accelerate at 3.2 m/s² from rest to 64 m/s, how long will it take? a) 10 s b) 20 s c) 30 s d) 40 s

JohnTheBeloved asked Jun 13, 2024

by JohnTheBeloved

7.8k points

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1 vote

220k views

A spring is stretched 0.200 m. If the spring constant is 200 N/m, what is the weight of the block? 1) 20 N 2) 8 N 3) 4 N 4) 40 N

Nasgar asked Jun 13, 2024

by Nasgar

7.8k points

1 answer

5 votes

91.2k views

Consider the following system. s(t) →Fourier Transform →S(f) →H(f) ??→ Y(f) Write the mathematical expression of (t).

Bulkmoustache asked Jun 13, 2024

by Bulkmoustache

7.4k points

1 answer

4 votes

31.9k views

To strengthen his arm and chest muscles, a 75-kg athlete 2.0 m tall is doing a series of push-ups as shown in the figure below. His center of mass is 1.20 m from the bottom of his feet, and the centers

And Finally asked Jun 13, 2024

by And Finally

6.3k points

1 answer

3 votes

136k views

Why do we need a universal name for an organism?

Eliot Gillum asked Jun 13, 2024

by Eliot Gillum

7.9k points

1 answer

4 votes

160k views

suppose that the tendon for the biceps muscle is connected to forearm 4.0 cm from the elbow joint. is the moment arm longer than, shorter than, or equal to 4.0 cm?

Rabea asked Jun 13, 2024

by Rabea

7.7k points

1 answer

0 votes

233k views

load management and energy efficiency are the side effects of demand side managementture. True Or flase?

Valerii asked Jun 13, 2024

by Valerii

7.1k points

1 answer

4 votes

204k views

How does the starting height affect an object's energy?

Mike Yawn asked Jun 13, 2024

by Mike Yawn

7.0k points

1 answer

2 votes

183k views

the speed of a transverse wave on a string is 300.00 m/s, its wavelength is 0.50 m, and the amplitude is 20.00 cm. how much time is required for a particle on the string to move through a distance of 5.

AndreaNobili asked Jun 13, 2024

by AndreaNobili

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2 votes

232k views

A particle moves from point A to point B, then from B to C, and finally, from C to D. The resultant displacement of the particle can be represented by the Vector AD. a) True b) False

Oefe asked Jun 13, 2024

by Oefe

7.1k points

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3 votes

185k views

A 40-kg object on a frictionless surface experiences a 600 newton force towards the east and a 100 newton force towards the west. What is the acceleration of the object and in what direction?

Serioys Sam asked Jun 13, 2024

by Serioys Sam

7.8k points

1 answer

2 votes

120k views

A 2.50-kg object is moving in a plane, with its x and y coordinates given by x = 3t² − 4 and y = 2t³ + 5, where x and y are in meters and t is in seconds. Find the magnitude of the net force acting on

Srikanth Bhandary asked Jun 13, 2024

by Srikanth Bhandary

8.0k points

1 answer

1 vote

95.2k views

A jeweler wishes to show off the intrinsic brilliance of their prize diamond by giving it an antireflective coating for light of wavelength 591 nm in air. What is the minimum thickness the jeweler needs

Yasei No Umi asked Jun 13, 2024

by Yasei No Umi

7.8k points

1 answer

5 votes

162k views

Low fast is this percent cha y=(3x+1)−²-1

Barry Brown asked Jun 13, 2024

by Barry Brown

7.5k points

1 answer

2 votes

168k views

One of the ores of copper is the mineral chalcopyrite. A laboratory analysis of a sample showed that 15.15g of chalcopyrite had the following composition by mass : copper 5.27g and iron 4.61g. Sulfur is

David Kierans asked Jun 13, 2024

by David Kierans

7.6k points

1 answer

1 vote

174k views

Moving objects have energy in what kind of energy store?

Satevis asked Jun 12, 2024

by Satevis

6.3k points

1 answer

5 votes

8.7k views

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