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How does the amount of energy needed to melt 1 kg of ice at 0°C compare to the amount of energy needed to change 1 kg of water to steam at 100°C? Base your answer on the heat of fusion of water and the

Robustus asked Jul 11, 2023

by Robustus

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1 answer

4 votes

197k views

A bicycle travels 11.20 km due east in 0.270 h, then 10.10 km at 15.0° east of north in 0.820 h, and finally another 11.20 km due east in 0.270 h to reach its destination. The time lost in turning is negligible.

Freefri asked Jul 11, 2023

by Freefri

7.0k points

1 answer

0 votes

162k views

a truck with 0.363-m-radius tires travels at 23.9 m/s. what is the angular velocity of the rotating tires in radians per second?

Indivara asked Jul 11, 2023

by Indivara

6.1k points

1 answer

1 vote

231k views

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the right. What is the displacement of the object? A: 1 B: 5 C: 7 D: 13

Dast asked Jul 11, 2023

by Dast

6.6k points

1 answer

19 votes

61.7k views

What are projectiles

Otto Kanellis asked Jul 10, 2023

by Otto Kanellis

6.0k points

2 answers

5 votes

220k views

What is the dimensional formula of the coefficient of friction?

Mdelolmo asked Jul 10, 2023

by Mdelolmo

6.6k points

1 answer

5 votes

147k views

A mack truck and a volkswagen traveling at the same speed have a head-on collision. The impact force is greatest on the?

Artem Lopatiy asked Jul 10, 2023

by Artem Lopatiy

5.7k points

1 answer

1 vote

57.8k views

I need help on number six... I need to use the kinematics formula.

ABetterGamer asked Jul 10, 2023

by ABetterGamer

5.6k points

1 answer

2 votes

107k views

Alexis and Jeremy are planning their weight training workout program together. Jeremy shows that he places a high importance on following correct safety procedures when weight training because he performs

Slashms asked Jul 10, 2023

by Slashms

5.8k points

2 answers

2 votes

4.2k views

Why did it take astronomers until 1838 to measure the parallax of the stars?.

Mery asked Jul 10, 2023

by Mery

6.4k points

1 answer

22 votes

128k views

What happened to the balloon when it was placed on the bottle with the baking soda and vinegar and why

Alex Chernyshev asked Jul 10, 2023

by Alex Chernyshev

6.5k points

1 answer

16 votes

179k views

A person with a mass of 78.0 kg is standing on a bathroom scale in an elevator that is accelerating downwards at a rate of 1.25 m/s2What is the normal force? (the reading on the scale)(input your answer

Sidara KEO asked Jul 10, 2023

by Sidara KEO

6.7k points

1 answer

1 vote

31.1k views

How much current does a 75-W light bulb draw when connected to 120 V?

Populus asked Jul 10, 2023

by Populus

6.0k points

1 answer

5 votes

218k views

Two balloons of the same volume are filled with helium. The kinetic energy of the helium molecules in Balloon 1 is higher than the kinetic energy of the helium molecules in Balloon 2. What can you conclude

TheWiseBro asked Jul 10, 2023

by TheWiseBro

6.3k points

1 answer

5 votes

70.3k views

Density of water? And tin?

Thomson asked Jul 10, 2023

by Thomson

6.1k points

2 answers

12 votes

14.2k views

which scenario is an example of a scientific way of thinking?A. A statement that can be used to predict the motions of two objects only under special conditionsB. An equation that can be used to accurately

Ester asked Jul 10, 2023

by Ester

5.7k points

1 answer

5 votes

146k views

5. How do you determine the strength of the electric field of a charge? A. Putting a small test charge close to the electric field. B. Using a voltmeter. C. Using an ammeter. D. Putting a large test charge

Ankit Kumar asked Jul 10, 2023

by Ankit Kumar

6.0k points

1 answer

3 votes

202k views

The half-life of a radioactive kind of cerium is 32 days. If you start with 84,288 grams of it, how much will be left after 160 days?

Georgii Oleinikov asked Jul 10, 2023

by Georgii Oleinikov

5.6k points

1 answer

0 votes

223k views

A ball is dropped from height of 20m at the same instant and the ball is thrown up from the ground with speed 20m/s when and where will ball meet

Teuta asked Jul 10, 2023

by Teuta

5.8k points

1 answer

19 votes

192k views

An object is dropped from a height of 25 meters.at what velocity will it hit the ground? a.)7.0 m/s b.)11 m/s c.)22m/s d.) 49 m/s e.) 70 m/s

Srparish asked Jul 10, 2023

by Srparish

5.4k points

1 answer

0 votes

217k views

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