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1.What is the true density of water? 2.What variables change the density of water? 3. How does water go against the concept of "Thermal Expansion"? Use full sentences that awnser the question? The response

Tadasz asked Jul 22, 2023

by Tadasz

8.4k points

1 answer

5 votes

187k views

Vật rắn có trục quay  cố định đi qua O, chịu tác dụng của các lực F1  , F2  như hình 3.30. Biết F1 = 15N; F2 = Hình 3.28 20N;  = 150o ;  = 120o ; OA = 20 cm; OB = 10 cm. Tính mômen quay của lực F1.

Pholz asked Jul 21, 2023

by Pholz

8.1k points

1 answer

12 votes

122k views

Which one of the following is not a combination reaction?

Skyebend asked Jul 20, 2023

by Skyebend

7.3k points

2 answers

2 votes

207k views

A refrigerator had a mass of 73 kg. What is the weight of the refrigerator in newtons

Ashaki asked Jul 19, 2023

by Ashaki

7.9k points

2 answers

2 votes

150k views

Yasmine is trying to determine if her toy moves fast or slow. What can she do to help her decide? Calculate how long the toy travels. Compare the speed of her toy to another similar toy. Measure the distance

Webfrogs asked Jul 19, 2023

by Webfrogs

8.2k points

2 answers

10 votes

118k views

A Lamborghini Aventador engine reaches its top speed from rest in 3 seconds. The engine performs 1,545,000 Joules of work in that time. How much power does the engine have in that time?

Alnet asked Jul 18, 2023

by Alnet

7.7k points

1 answer

15 votes

29.1k views

Galileo uses space and time in his ecology formula in which law a) speed and acceleration b) velocity and acceleration c) velocity and displacement d) force and acceleration

Haraldkl asked Jul 18, 2023

by Haraldkl

7.6k points

1 answer

23 votes

170k views

What is considered gravitational potential energy The energy of an object above ground the energy of an electron moving through a copper wire the energy stored in the bonds of a carbohydrate molecule or

Ajay Kelkar asked Jul 18, 2023

by Ajay Kelkar

7.4k points

2 answers

11 votes

74.7k views

Please give me the answer to the uploaded photo question :)))

Oleksandr Tymoshenko asked Jul 18, 2023

by Oleksandr Tymoshenko

7.9k points

1 answer

19 votes

43.7k views

A hockey player applies an average force of 80N to a 0.25kg hockey puck for a time of 0.2s. Determine the impulse experienced by the hockey puck.

Ltamajs asked Jul 18, 2023

by Ltamajs

7.9k points

2 answers

1 vote

142k views

1. Which layer do we live on? 2. What layer is directly below your answer above? 3. What is the thickest layer? 4. Which 2 layers are included in the lithosphere?

Rcabr asked Jul 18, 2023

by Rcabr

8.4k points

1 answer

20 votes

111k views

Protons and electrons possess the same amount of charge, 1.6 × 10−19 C, but the charges have opposite signs. If a proton and an electron are positioned 4.9 × 10−11 m away from each other, what is the electrostatic

FAtBalloon asked Jul 17, 2023

by FAtBalloon

8.2k points

1 answer

18 votes

95.1k views

How much does an astronaut weigh out in space, fat from any planet

Payal Bansal asked Jul 17, 2023

by Payal Bansal

7.9k points

2 answers

10 votes

167k views

If an egg person starts from rest then falls directly downward and hits the ground with a velocity of 12 m/s but their starting height was 10 m, what would their velocity be upon hitting the ground without

Johngeek asked Jul 16, 2023

by Johngeek

8.2k points

2 answers

8 votes

85.5k views

Jacob works in a store that sells jeans. Jacob is stacking a new delivery of jeans to display on top of the old jeans so that they are touching. In Stack 1, the top pair of jeans is larger than the bottom

Sinan Erdem asked Jul 15, 2023

by Sinan Erdem

8.3k points

1 answer

20 votes

40.3k views

The type of force that does not require contact for 2 objects to feel a push or pull is ?

Ooboo asked Jul 15, 2023

by Ooboo

8.5k points

1 answer

5 votes

216k views

4. Calculate the kinetic energy of a 4.7 kg object moving at a speed of 7 m/s. SHOW YOUR WORK

Kevser asked Jul 15, 2023

by Kevser

7.8k points

2 answers

14 votes

126k views

1. Calculate the potential energy of a 4 kg rock that is raised 18 m above ground level.

Fima asked Jul 14, 2023

by Fima

8.7k points

1 answer

16 votes

149k views

Two dogs fight over a bone. The larger of the two pulls on the bone to the right with a force of 42 N. The smaller one pulls to the left with a force of 35 N a. Draw the free-body diagram for thebone.

Ccurves asked Jul 14, 2023

by Ccurves

7.9k points

1 answer

20 votes

230k views

An X-ray machine makes one 2-D image at a time. A computed tomography (CT) machine makes many X-ray images in thin slices through a specific part of the body. A computer then combines these slices to build

Mdance asked Jul 14, 2023

by Mdance

7.9k points

1 answer

25 votes

138k views

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