Recent questions in Physics

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2. You have 18 protons, 18 electrons and 23 neutrons, which element do you have? How do you know? (A Boron because 23 neutrons - 18 protons (B) Vanadium because of 23 neutrons (C) Niobium because 18 protons

Bingles asked Aug 9, 2023

by Bingles

6.4k points

1 answer

1 vote

99.0k views

4. A hammer has a mass of 2.0 kg. How much force is acting on the hammer to have it stay at rest on a table?

Alex Santelle asked Aug 9, 2023

by Alex Santelle

6.1k points

2 answers

1 vote

74.9k views

The question is in the picture please answer problem 9Thank you

Old Panda asked Aug 9, 2023

by Old Panda

6.7k points

1 answer

5 votes

209k views

List 3 objects in your house to at are always in motion

Fossil asked Aug 9, 2023

by Fossil

7.0k points

2 answers

0 votes

218k views

In winter morning, as soon as we wake the air inside the room is cold but if up, the out and return to the same room, we we goo feel warm, why?

Arlette asked Aug 9, 2023

by Arlette

7.3k points

1 answer

3 votes

216k views

A woman tries to throw a rock over a wall, releasing the rock at a height of 1.55m abovethe ground. If she throws the rock at 6 m/s, will it reach the top of the wall 3.75m aboveher?

Tokarev asked Aug 9, 2023

by Tokarev

6.3k points

1 answer

5 votes

148k views

Throughout the reflection, make sure you have a down menus to complete the statements. copy of the Student Guide and your data tables. Use the drop- In Part I of this experiment, the was intentionally

Shawn Chin asked Aug 9, 2023

by Shawn Chin

6.4k points

2 answers

25 votes

222k views

If a 10 kW device is used for 15 mins then the amount of energy transferred is

Mohamed Amin asked Aug 9, 2023

by Mohamed Amin

6.3k points

1 answer

15 votes

46.6k views

What change slowly occurs during the main-sequence lifetime of a star?.

SOConnell asked Aug 9, 2023

by SOConnell

7.0k points

1 answer

8 votes

38.3k views

If you exert a force of 15 N to lift a box a distance of 0.68 m, how much work do you do? Answer in units of J.

Ridcully asked Aug 9, 2023

by Ridcully

7.2k points

1 answer

3 votes

185k views

Which of the following would produce a very strong electromagnet? Select one:a.few coils, high current, heated b.many coils, low current, heated c.many coils, high current, cooled d.few coils, low current,

Weaknespase asked Aug 9, 2023

by Weaknespase

7.6k points

1 answer

4 votes

83.2k views

Two astronauts are on a space walk without using electronic equipment,would they be able to hear each other’s voices

Hurda asked Aug 9, 2023

by Hurda

6.4k points

1 answer

16 votes

75.2k views

On average, there is enough wind in the UK each year to supply all of the UK's electricity needs. Explain why the UK may still need power stations that use fuel to generate electricity

Yitzie asked Aug 8, 2023

by Yitzie

7.1k points

1 answer

3 votes

121k views

On a hot summer night (32°C), you are listening to a rock group in a stadium 350 m away. A friend of yours is sitting in an air-conditioned house across the country, listening to the broadcast on the radio.

Jbmilgrom asked Aug 8, 2023

by Jbmilgrom

6.7k points

1 answer

5 votes

55.9k views

21. Each of the resistors in the diagram has a resistance of 122. The resistance of the entire circuit is: A. 5.762 Β. 25Ω C. 480 D. 120Ω E. none of these

Jasonbar asked Aug 8, 2023

by Jasonbar

6.9k points

1 answer

2 votes

163k views

A 10.0 kg ball falling at 10.0 m/s hits a mattress and comes to a complete stop in 1 s. What force does the mattress exert to stop the ball?10 N200 N20 N100 N

MyTD asked Aug 8, 2023

by MyTD

6.7k points

1 answer

2 votes

52.1k views

In the picture thank you

Rainer Schaack asked Aug 8, 2023

by Rainer Schaack

6.6k points

1 answer

2 votes

48.6k views

air.4. A train travels a distance of 2650 kilometers. If the train left the station at 2:00 PM andarrived at its destination at 9:00 PM, what was its average speed? (Express your answer in m/s)

Jdelange asked Aug 8, 2023

by Jdelange

6.4k points

1 answer

1 vote

213k views

___ imagery often resembles that of an uncanny dream world rife with sexuality and violence。 A Futurist B Surrealist C Dadaist D Constructivist

Guido Flohr asked Aug 8, 2023

by Guido Flohr

7.1k points

1 answer

2 votes

168k views

Which of the following statements correctly describes the appearance of stars? A. Each night, stars travel across the sky from west to east. B. Spinning of the Earth on its axis causes the stars to look

Alex Beardsley asked Aug 8, 2023

by Alex Beardsley

7.3k points

2 answers

3 votes

46.8k views

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