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The energy expenditure value of traveling by car is 3.6 MJ/passenger-kilometer. The value for traveling by train is 1.1 MJ/passenger-kilometer. For one person making a trip of 1000 km, the train is A.

Yugandhar Chaudhari asked Oct 16, 2024

by Yugandhar Chaudhari

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1 answer

3 votes

64.8k views

We have to design a P type thermocouple. The temperature to be measured is 300 degree C. What is the e.m.f generated?

Scherand asked Oct 16, 2024

by Scherand

8.0k points

1 answer

1 vote

102k views

Which direction is the car moving in the scenario below? Left with a net force of 3 N Right with a net force of 3 N Up with a net force of 7 N Down with a net force of 10 N

Mark Henwood asked Oct 16, 2024

by Mark Henwood

8.0k points

1 answer

1 vote

56.4k views

Suppose a car is moving in a straight line and steadily increases its velocity (or speed). It moves from 30 km/h to 45 km/h in 3 seconds.What is the car's acceleration?

Satyan asked Oct 16, 2024

by Satyan

8.2k points

1 answer

2 votes

163k views

Treating the tendon as an ideal spring, what is the force constant for the control bird?

Iamsophia asked Oct 16, 2024

by Iamsophia

8.4k points

2 answers

3 votes

103k views

When we say 62.5/125 fiber, what does "62.5" mean?

Markusjm asked Oct 16, 2024

by Markusjm

8.2k points

1 answer

4 votes

231k views

What was the universe immediately before the Big Bang occurred?

Twsaef asked Oct 16, 2024

by Twsaef

8.3k points

1 answer

3 votes

14.7k views

A 65-kg ice skater is gliding along at 4.5 m/s. Twenty seconds later, her speed has dropped to 2.9 m/s. What is the magnitude of the kinetic friction acting on her skates? Option 1: 25 N Option 2: 35 N

Khaelex asked Oct 16, 2024

by Khaelex

8.4k points

1 answer

2 votes

178k views

In the Riemann curvature tensor, we are supposed to parallel transport the vectors each step of the way. So when we take the first covariant derivative, won’t that be zero? So aren’t we then taking the

Henrik Erlandsson asked Oct 16, 2024

by Henrik Erlandsson

8.8k points

1 answer

5 votes

83.8k views

Which is NOT a common material for a foundation wall? A. concrete. B. stone. C. steel. D. brick.

Kiya asked Oct 16, 2024

by Kiya

8.6k points

1 answer

5 votes

88.7k views

The spectra of interstellar gas clouds show that they have the same basic composition as ____________. A) Solid planets B) Terrestrial moons C) Oort Cloud D) Earth's atmosphere

Yasith asked Oct 16, 2024

by Yasith

7.9k points

1 answer

4 votes

28.9k views

A concave mirror has a radius of curvature of the position and size of the image of an object 0.2m high placed 0.8 m in front of the mirror

Decyclone asked Oct 16, 2024

by Decyclone

8.1k points

1 answer

4 votes

170k views

The cylinder assembly of an FCS 2001 cryogenic sampler should stabilize in what per square inch gauge (psig) range before it is sent to the area lab for analysis? A) 50-100 psig B) 100-150 psig C) 150-200

Dthorpe asked Oct 16, 2024

by Dthorpe

8.0k points

1 answer

2 votes

145k views

Which of the following statements about mean solar time and apparent time is not true? A) Apparent solar time measures noon when the Sun is on the meridian. B) Mean solar time is sometimes ahead of apparent

Bruce Dunwiddie asked Oct 16, 2024

by Bruce Dunwiddie

7.9k points

1 answer

5 votes

216k views

In which case was more work performed? A. A 700 N force applied at a 30 degree angle resulting in a displacement of the object of 1200 meters. B. A 800 N force applied at a 40 degree angle resulting in

Joseph Selvaraj asked Oct 16, 2024

by Joseph Selvaraj

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1 answer

5 votes

124k views

A 40 ton rail car and a 100 ton rail car, initially at rest, are connected together with a giant but massless compressed spring between them. When released, the 40 ton car is pushed away at a speed of

Sergey Malyan asked Oct 16, 2024

by Sergey Malyan

8.5k points

1 answer

1 vote

142k views

If Jill is driving at 65 miles per hour, what is her approximate speed in kilometers per hour? a) Approximately 104.6 km/h b) Approximately 105 km/h c) Approximately 107.8 km/h d) Approximately 110.5 km

Rumple Stiltskin asked Oct 16, 2024

by Rumple Stiltskin

7.8k points

1 answer

0 votes

126k views

A hypothetical isotropic antenna is radiating in free space. In the antenna's far-zone at a 100m distance, the measured total electric field (Eθ) is 5 V/m. find: a)Power density, Savg(Pavg in the textbook

Fabrizio Mazzoni asked Oct 16, 2024

by Fabrizio Mazzoni

8.8k points

1 answer

5 votes

21.0k views

Find the current through a person and identify the likely effect on her if she touches a 120-V AC source: (a) If she is standing on a rubber mat and offers a total resistance of 300 kΩ. a) 0.40 mA, No

Mrjandro asked Oct 16, 2024

by Mrjandro

8.7k points

1 answer

4 votes

145k views

During chemistry lab, Sal and Tim were trying to distinguish between physical and chemical changes. After mixing iron filings and sulfur together, they could still separate the iron with a magnet. When

Edwardrbaker asked Oct 15, 2024

by Edwardrbaker

8.2k points

1 answer

4 votes

145k views

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