Recent questions in Physics

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28). A block weighs 90N and 80N respectively in air and in water. What will be the weight of the block in a brine of density 1.2g/cm?

Stonebig asked Aug 10, 2023

by Stonebig

7.2k points

1 answer

1 vote

37.1k views

Which type of energy is stored in chemical compounds and released in chemical reactions? potential kinetic chemical electrical

Grkvlt asked Aug 10, 2023

by Grkvlt

6.3k points

1 answer

20 votes

220k views

It's your first day on the job without your mentor as a member of mission control. Your shift begins and your counterpart, who happens to be in their 10th year in this position, speaks to you for about

Andreas Neumann asked Aug 10, 2023

by Andreas Neumann

5.9k points

1 answer

2 votes

59.0k views

How many sigma (σ) and pi (π) bonds are in a molecule of (nh2)2co ?

Skitzafreak asked Aug 10, 2023

by Skitzafreak

6.6k points

1 answer

3 votes

93.7k views

Another elephant pushes with 3500 N on a load of trees. It then pushes these trees for 225 m. How much work did he elephant do?

Brett Lempereur asked Aug 10, 2023

by Brett Lempereur

6.1k points

1 answer

19 votes

175k views

A ball is dropped from rest. After time t the ball has travelled a distance of x. After time 5t the ball has travelled a distance of?

Cruces asked Aug 10, 2023

by Cruces

7.1k points

2 answers

3 votes

39.7k views

A 2.0 kg mass is moving along the x-axis. The potential energy curve as a function of position is shown in the figure The kinetic energy of the object at the origin is 12J. The system is conservative,

Hate asked Aug 10, 2023

by Hate

7.1k points

1 answer

2 votes

32.6k views

Question 1 of 10 What type of diagram is used to show all of the forces acting on an object? A. Stability diagram B. Algebraic diagram C. Free-body diagram D. Potential energy diagram

Tereska asked Aug 10, 2023

by Tereska

6.8k points

1 answer

2 votes

63.2k views

A person of mass 40 kg stands on a bathroom scale in an elevator. What is the reading on the scale if:A. The elevator is stationary?B. The elevator is moving up at a constant speed?C. The elevator accelerates

Stpk asked Aug 10, 2023

by Stpk

7.4k points

1 answer

2 votes

35.8k views

What is the current when a 90-W light bulb is connected to 120 V?

Raserhin asked Aug 10, 2023

by Raserhin

7.1k points

1 answer

5 votes

43.1k views

Define refractive index.

MikeZ asked Aug 10, 2023

by MikeZ

7.1k points

2 answers

8 votes

7.6k views

Please help meeeeeeeeeeeeeeee

Bluephlame asked Aug 10, 2023

by Bluephlame

7.3k points

1 answer

19 votes

50.3k views

If a wave generator produces 10 pulses per second and the speed of the waves is 300 m/s, what is the wavelength of the waves? What happens to the wavelength if the frequency of the pulses is increased?

Yurzui asked Aug 10, 2023

by Yurzui

6.8k points

1 answer

1 vote

187k views

If you weight 100 pounds on earth, what would you weight on the moon

Unbalanced asked Aug 10, 2023

by Unbalanced

7.1k points

1 answer

3 votes

29.9k views

1. Explain why Solids have a definite shape and liquids flow?

Lewis Black asked Aug 10, 2023

by Lewis Black

6.2k points

2 answers

2 votes

46.2k views

Rearrange Vf=Vi+at, rearrange for t

Xval asked Aug 10, 2023

by Xval

7.2k points

1 answer

4 votes

12.4k views

What is the appropriate distance for social space?.

Matisetorm asked Aug 10, 2023

by Matisetorm

7.0k points

1 answer

13 votes

77.2k views

Radiocarbon dating of a sample of wood from the tomb of an Egyptian pharaoh found that in 1 of the sample there were 9.843 × 10−15 of C-14 and 1.202 × 10−2 of C-12. The C-14 isotope is radioactive and

Esastincy asked Aug 10, 2023

by Esastincy

6.6k points

1 answer

1 vote

3.7k views

PLS help me with this its due soon!! Devon ran a race on a flat track. He did not keep a constant speed during the race. The diagram below shows how fast he was running at different points on the track.

Yuriy Goldshtrakh asked Aug 10, 2023

by Yuriy Goldshtrakh

7.1k points

2 answers

12 votes

120k views

A 0.474 m long wire carrying 1.39 A ofcurrent is 0.0535 m from a secondparallel wire carrying 0.884 A ofcurrent in the same direction. What isthe (+) magnitude of the magneticforce between the wires?[?

Ali Tamoor asked Aug 10, 2023

by Ali Tamoor

6.6k points

1 answer

0 votes

130k views

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