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What is the speed of sounds in dry air at 20c ?

Daerin asked Aug 9, 2023

by Daerin

6.9k points

1 answer

2 votes

59.2k views

Which of the following iS an example of a falsifiable hypothesis that could lead to scientific knowledge? • A. Loch Ness has a giant reptile living in it. B. Humans were created. C. Aliens have crashed

Andrew Paramoshkin asked Aug 9, 2023

by Andrew Paramoshkin

6.7k points

1 answer

22 votes

13.5k views

Explain how nuclear physics works?

Andrew Liu asked Aug 9, 2023

by Andrew Liu

6.0k points

1 answer

1 vote

78.6k views

Two 4.587 cm by 4.587 cm plates that form a parallel-plate capacitor are charged to +/- 0.671 nC. What is the electric field strength inside the capacitor if the spacing between the plates is 1.257 mm?

Antoine Latter asked Aug 9, 2023

by Antoine Latter

7.2k points

1 answer

4 votes

35.1k views

The amount of work done depends on thea amount of force applied.b mass and distance the object moves.c mass and speed with which the object moves.d amount of force and distance the object moves.

Matheus Frik asked Aug 9, 2023

by Matheus Frik

7.4k points

1 answer

0 votes

66.2k views

This is my physics homework

Namalfernandolk asked Aug 9, 2023

by Namalfernandolk

7.3k points

1 answer

16 votes

105k views

At a construction site, a 30.0-kg bucket of concrete is connected over a very light frictionless pulley to a 375-N box on the roof of a building. (Figure 1) There is no appreciable friction on the box,

Hiccup asked Aug 9, 2023

by Hiccup

6.7k points

1 answer

4 votes

231k views

On average, how often does a total solar eclipse occur?.

Daoming Yang asked Aug 9, 2023

by Daoming Yang

6.2k points

1 answer

9 votes

66.1k views

Because most particles fired at metal foil passed straight through, rutherford concluded that.

Sfussenegger asked Aug 9, 2023

by Sfussenegger

6.6k points

1 answer

2 votes

50.3k views

A potato cannon fires a potato so that it has initial velocity with components of (60 m/s forward, 50 m/s upward).(a) How much time passes before the potato strikes the ground?______ s(b) What horizontal

Keylee asked Aug 9, 2023

by Keylee

6.6k points

1 answer

3 votes

134k views

One U.S. fluid gallon contains a volume of 231 cubic inches. How many liters of gasoline would you have to buy in Canada to fill a 14-gallon tank? (Note: 1L = 10 +3 cm 3.)

Shiham asked Aug 9, 2023

by Shiham

7.0k points

1 answer

2 votes

16.3k views

8.A satellite is 100 miles above the earth. It has a mass of 100 kg. If the mass ofthe satellite were doubled the force of gravity of the satellite on the earthwouldA) DoubleB) QuadrupleC) Stay the sameD)

Ncank asked Aug 9, 2023

by Ncank

5.8k points

1 answer

3 votes

90.9k views

I need the answer for this

Thomasmost asked Aug 9, 2023

by Thomasmost

6.8k points

1 answer

3 votes

85.7k views

9. Which of these motions would be an example of 1D motion? A ball being kicked off a hill b. A football being kicked through the goal post A ball being thrown up into the air d. None of the above

Berkes asked Aug 9, 2023

by Berkes

6.4k points

1 answer

4 votes

991 views

Drag the tiles to the correct boxes to complete the pairs. Match the chemical reactions with their properties. Drag the tiles to the correct boxes to complete the pairs . Match the chemical reactions with

Jon Lin asked Aug 9, 2023

by Jon Lin

7.1k points

1 answer

21 votes

231k views

Which statement best describes the circular flow model?

Rizentium asked Aug 9, 2023

by Rizentium

7.0k points

1 answer

12 votes

133k views

heat supplied at the rate of 120W to 60g of ice raises it's temperature from -20°c to 0°c in 200s. Calculate the I. heat capacity of the ice Ii. specific heat capacity of the ice. III. time it will take

KingArasan asked Aug 9, 2023

by KingArasan

6.4k points

1 answer

4 votes

125k views

Calculate the average speed for a car that traveled a total of 115 kilometers, when in the first 60 minutes they traveled at 65 km and for 73 minutes they traveled 50 km.

Tomas Varga asked Aug 9, 2023

by Tomas Varga

6.5k points

1 answer

1 vote

94.0k views

Plants release oxygen into the air us what type of sphere

Anderson Pimentel asked Aug 9, 2023

by Anderson Pimentel

7.1k points

1 answer

23 votes

105k views

Given a material of specific heat c in Cal/gramC^o and mass 5 grams. If the material is heated from a temperature of 10 C^o to a temperature of 37 C^o then which of these expressions yields the amount

Nikki Borrelli asked Aug 9, 2023

by Nikki Borrelli

6.7k points

1 answer

2 votes

136k views

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