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How does the amount of matter change when water changes state? a. The amount of matter always increases as water changes state. b. The amount of matter always decreases as water changes state. c. The amount

Jon Wayne Parrott asked Dec 25, 2024

by Jon Wayne Parrott

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Suppose that your bathroom scale reads your mass as 65 kg with a 3% uncertainty. What is the uncertainty in your mass (in kilograms)? a) 1.95 kg b) 1.95 g c) 1.95 x 10^2 kg d) 1.95 x 10^3 kg

VladZams asked Dec 25, 2024

by VladZams

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5 votes

35.2k views

A net force of 5.0 newtons moves a 2.0-kilogram object a distance of 3.0 meters in 3.0 seconds. how much work is done on the object? O 1.0 j O 10. j O 15 j O 30. j

Praytic asked Dec 25, 2024

by Praytic

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1 answer

4 votes

121k views

Parker is a 59 kg pole vaulter and after successfully completing a vault, her center of mass achieves a maximum peak of height of 4.6 meters after pole-vaulting over the crossbar set at that height. She

JohnPix asked Dec 25, 2024

by JohnPix

8.2k points

1 answer

0 votes

44.5k views

20 POINTSS!! Which of the following is an example of a container that is filled with a pure substance rather than with a mixture? a glass filled with chocolate milk a balloon filled with helium a tire

Dmitri T asked Dec 25, 2024

by Dmitri T

8.2k points

2 answers

5 votes

117k views

Calculate the acceleration of a skier heading down a 10.0º slope, assuming the coefficient of friction for waxed wood on wet snow. A. 1.88 , {m/s}² B. 2.45 , {m/s}² C. 3.12 , {m/s}² D. 4.02 , {m/s}²

Princesa asked Dec 25, 2024

by Princesa

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1 answer

0 votes

186k views

Find the radius of the asteroid. Also, find the magnitude of the acceleration of the prince while he is in his circular orbit at the surface of asteroid B-612. Give your answers as an ordered pair, with

Vlad Udod asked Dec 25, 2024

by Vlad Udod

7.9k points

1 answer

5 votes

130k views

How does the composition of brass differ from bronze? Describe the diff properties of these 2 alloys.

Prine asked Dec 25, 2024

by Prine

8.6k points

1 answer

1 vote

162k views

The teacher investigated how the thickness of lead affected the amount of gamma radiation that could pass through it. Explain why the teacher stood as far away from the apparatus as possible.

Wasim Aftab asked Dec 25, 2024

by Wasim Aftab

7.8k points

2 answers

2 votes

221k views

What is the function of three tiny bones in the ear ?

Agyei asked Dec 25, 2024

by Agyei

7.9k points

1 answer

1 vote

121k views

A weather station on the top of a mountain reports that the temperature is currently 0 �� C and has been falling at a constant rate of 3 �� C per hour. If it continues to fall at this rate, find each indicated

Brett Weber asked Dec 25, 2024

by Brett Weber

8.4k points

1 answer

5 votes

28.9k views

In the textbook, Theories of Molecular Reaction Dyanmics by Flemming Y. Hansen and Niels E. Henriksen, there is a derivation of the equation of motion for the adiabatic approximation (pgs. 5-7). The author

Otuyh asked Dec 25, 2024

by Otuyh

8.9k points

1 answer

5 votes

143k views

An object (height=1cm) is placed at 20 cm in front of a concave mirror .Real image formed is at 20cm in front of concave mirror . find the focal length of the mirror .find magnification also.

Jonas Libbrecht asked Dec 25, 2024

by Jonas Libbrecht

7.6k points

1 answer

4 votes

4.0k views

Suitable units for μ are: a.tesla b.newton/ampere2 c.weber/meter d.kilogram·ampere/meter e.tesla·meter/ampere

Jairaj asked Dec 25, 2024

by Jairaj

7.6k points

1 answer

3 votes

77.6k views

Nuclear power advocates contend that increased use of nuclear power decreases what type of emission that contributes to climate change?

Julieann asked Dec 25, 2024

by Julieann

8.5k points

1 answer

1 vote

189k views

Which of the following statements is correct with reference to an impeller with backward curved vanes? A. It has a falling head - discharge characteristic. B. It has rising head - discharge characteristic

OneRaynyDay asked Dec 25, 2024

by OneRaynyDay

7.1k points

1 answer

2 votes

188k views

Why can a magnet separate iron atoms from a mixture but not from a compound?

Mrdeadsven asked Dec 25, 2024

by Mrdeadsven

7.5k points

2 answers

1 vote

220k views

"Kelly's cliff dive elevation. a) 15 feet b) 20 feet c) 0 feet d) -20 feet"

Ruben Serrate asked Dec 25, 2024

by Ruben Serrate

8.4k points

1 answer

4 votes

38.5k views

The difference in pressure between the top and bottom of a column of gas is calculated as? A) Pressure differential B) Pressure gradient C) Pressure ratio D) Pressure variance

Stompchicken asked Dec 25, 2024

by Stompchicken

7.6k points

1 answer

0 votes

170k views

A solid will float in a liquid if it is less dense than the liquid, and sink if it is more dense than the liquid. If the density of seawater is 1.025 g/mL, which types of plastics would definitely float

Patatahooligan asked Dec 25, 2024

by Patatahooligan

8.1k points

1 answer

2 votes

14.2k views

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