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Which of the following observations is best explained by water’s high surface tension? Choose 1 answer: (choice a) A leaf floats on the surface of a puddle. (choice b) A local pond is slow to freeze, despite

Ianmunoz asked Oct 14, 2024

by Ianmunoz

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2 answers

3 votes

11.8k views

What do zebras need to survive?

Niranj Patel asked Oct 14, 2024

by Niranj Patel

7.2k points

2 answers

5 votes

4.1k views

a tennis ball is dropped from rest out of a window 202 m above the ground. ignoring air resistance, how long would it take the tennis ball to reach the ground?

Evgeny Chernyavskiy asked Oct 14, 2024

by Evgeny Chernyavskiy

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1 answer

2 votes

221k views

A ball is thrown horizontally from a height of 2 meters with a velocity of 15m/s. What is the range of the projectile?

Per Samuelsson asked Oct 14, 2024

by Per Samuelsson

8.0k points

1 answer

1 vote

145k views

How is a brown object appear brown when white light is reflected on it even though brown is not a colour component of white light?

Luka Ramishvili asked Oct 14, 2024

by Luka Ramishvili

7.9k points

1 answer

3 votes

18.2k views

Gas particles do not respond to heat the same way people do. Do you agree with this statement? Why? Provide an example in your explanation.

MemphiZ asked Oct 14, 2024

by MemphiZ

7.8k points

1 answer

2 votes

180k views

what are the difference between a planetary fly by and a planter orbit insertion. list 6 thing for each, find the answer for NASA.gov

Edeph asked Oct 14, 2024

by Edeph

8.2k points

1 answer

4 votes

228k views

A biker travels once around a circular track of radius 20.0m in3s calculate the average tangential speed

Matt Dowle asked Oct 14, 2024

by Matt Dowle

7.7k points

1 answer

5 votes

10.5k views

20 N to the right and 60N to the left on a 10kg object will result in what acceleration

Zubair Ahmed asked Oct 14, 2024

by Zubair Ahmed

8.2k points

1 answer

4 votes

113k views

A stone is thrown downwards with a speed of 5ms, from the top of a building of height 180 m. Take point of projection as the origin and vertical downward direction as negative. Determine a. the velocity

Marc Carreras asked Oct 14, 2024

by Marc Carreras

8.0k points

1 answer

2 votes

80.7k views

Which of the following is an unlimited energy supply that is not always available and is collected via photovoltaic cells? a. Fossil fuels b. Wind energy c. Solar energy d. Nuclear energy

Kathir Raja asked Oct 14, 2024

by Kathir Raja

8.4k points

1 answer

5 votes

73.0k views

Spiral and barred spiral galaxies have very little dust and almost no star formation? 1.True 2.False

Broesch asked Oct 14, 2024

by Broesch

7.2k points

1 answer

4 votes

81.6k views

10. A 20.0 kg ball of wet clay drops off a workman’s scaffold and falls for 4.0 s before hitting the ground. If it comes to rest in 5.0 ms, what average force did the floor exert on the clay?

Raju Ahmed asked Oct 14, 2024

by Raju Ahmed

7.7k points

1 answer

4 votes

201k views

Increased Intensity: The intensity of the emitted radiation increases with temperature. Shift to Shorter Wavelengths: The peak wavelength of the radiation shifts to shorter wavelengths (blue light at higher

Austin Poulson asked Oct 14, 2024

by Austin Poulson

8.3k points

1 answer

1 vote

49.4k views

calculate the moment of inertia for a hollow sphere with radius 0.048 m and mass 0.43 kg. express your answer in si units

Samuel Colvin asked Oct 14, 2024

by Samuel Colvin

8.2k points

2 answers

5 votes

182k views

The current theory of the structure of the earth, called plate tectonics, tells us that the continents are in constant motion. Assume that the North American continent can be represented by a slab of rock

Gavin Wong asked Oct 14, 2024

by Gavin Wong

8.9k points

1 answer

1 vote

209k views

Can centripetal acceleration change the speed of circular motion explain

Tristen asked Oct 14, 2024

by Tristen

7.4k points

1 answer

1 vote

81.6k views

Alan will use a two wheel compound pulley to lift a crate from the floor of his garage to a storage shelf. The shelf is 5 meters above the floor. Alan pulls 3 meters of the rope to lift the crate. Which

Inator asked Oct 14, 2024

by Inator

8.2k points

1 answer

0 votes

58.9k views

Wave A is being decreased in temperature, and Wave B is moving from a liquid to a gas medium. Which statement can be made about both waves? a) Wave A's frequency increases, and Wave B's frequency decreases.

Bdeniker asked Oct 14, 2024

by Bdeniker

8.3k points

1 answer

2 votes

84.4k views

An object weighs 0.688 kilograms. When placed into a container of water, the level of water goes from 19.0 ml to 23.9 ml. What is the density of the object in g/mL? A) 1.1 g/mL B) 2.9 g/mL C) 3.9 g/mL

Dharmi asked Oct 14, 2024

by Dharmi

8.1k points

1 answer

0 votes

135k views

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