Recent questions in Physics

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Electron enters region of uniform electric field

Sotapme asked Oct 18, 2024

by Sotapme

8.2k points

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If the work required to stretch a spring 1 ft beyond its naturallength is 10 ft-lb, how much work W is needed to stretchit 6 in. beyond its natural length?

JeanNiBee asked Oct 18, 2024

by JeanNiBee

8.1k points

1 answer

5 votes

120k views

Consider a tightrope walker where the walker is 70.0 kg and at the angle made from the horizontal is 5.00 degrees on both sides. What is the Tension Force on each of the ropes? Options: A. 343 N B. 700

Iblue asked Oct 18, 2024

by Iblue

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68.6k views

A student decides to take up bungee jumping as a hobby. He stands on a tall platform that is 50 m tall. If the student has a mass of 50 kg, what is his PE?

Alexey Yakunin asked Oct 18, 2024

by Alexey Yakunin

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1 answer

0 votes

221k views

Visible light has wavelengths in the range of about 400 to 800 nm. What does this indicate about the approximate thickness of the wall of a soap bubble? Explain your answer. a) The thickness is much greater

Adrian Ivasku asked Oct 18, 2024

by Adrian Ivasku

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1 answer

2 votes

194k views

A football is moving upward and rightward towards the pak of its trajectory. ignore air resistance

Jatin Rana asked Oct 18, 2024

by Jatin Rana

7.9k points

1 answer

0 votes

75.9k views

Jack Bruton and Jenna Yeager flew non-stop around the world in a distance of 24,986.73 miles and 216.06 hours. What is the average speed? A. 115.74 mph B. 200.92 mph C. 115.74 km/h D. 200.92 km/h

Raja asked Oct 18, 2024

by Raja

7.8k points

1 answer

1 vote

118k views

Many demonstrations of electrolysis show the use of baking soda and a 9 volt battery for electrolysis of water. As a science experiment, I tested different voltages by adding more batteries. In my experiment,

AnnW asked Oct 18, 2024

by AnnW

8.4k points

1 answer

4 votes

33.0k views

In projectile motion, what are the main factors affecting the horizontal distance?

Miguelv asked Oct 18, 2024

by Miguelv

8.6k points

1 answer

1 vote

65.2k views

When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 8.10 m/s, at an angle of 32.0∘ above the horizontal. (a) What is the range of his leap and

Jaison Justus asked Oct 18, 2024

by Jaison Justus

7.9k points

1 answer

2 votes

44.0k views

True or False? On a demountable rim system, heel-less clamps can bottom out at 80% of the recommended torque.

Rahul Savani asked Oct 18, 2024

by Rahul Savani

8.3k points

2 answers

3 votes

24.2k views

"Find the surface area of the cone in terms of π. A. 396π ft² B. 252π ft² C. 144π ft² D. 540π ft²

Kinetic Stack asked Oct 18, 2024

by Kinetic Stack

8.4k points

1 answer

3 votes

148k views

Ducks can swim at a speed of 1.2 ft/sec. A duck wants to swim to the other side of the pond 23 feet away. How long will it take the duck to swim to the other side of the pond? a) 19.17 seconds b) 15.83

Edtsech asked Oct 18, 2024

by Edtsech

8.4k points

1 answer

3 votes

214k views

Does the film have a protective coat on both sides? 1) Yes 2) No

Voodu asked Oct 18, 2024

by Voodu

8.0k points

1 answer

5 votes

32.2k views

Need help with these two please!! Thank you in advance.

Lflores asked Oct 18, 2024

by Lflores

7.6k points

1 answer

2 votes

173k views

EXPERIMENT: COMPARING HARDNESS AND DENSITY OF SOLIDS In this activity, you will identify several minerals, then you will compare the minerals to determine if there is a relationship between the hardness

Prashant Thorat asked Oct 18, 2024

by Prashant Thorat

8.0k points

1 answer

4 votes

106k views

( 1) How far will the TGV train travel in 45 s if its speed is 140 m/s? Express your answer in kilometres as well. (2) A sneeze causes you to momentarily shut your eyes. If this process takes 0.5 s and

Cemron asked Oct 18, 2024

by Cemron

7.4k points

1 answer

0 votes

170k views

4.5 eV is the required energy to beak one H-H bond. a) What is the nature of bonding in Hz. b) Calculate this energy in kJ/ k mol

DreadedFrost asked Oct 18, 2024

by DreadedFrost

8.7k points

1 answer

4 votes

170k views

What is the pressure of the sample of gas trapped in the open-tube mercury manometer shown below if atmospheric pressure is 736 mmHg and h=92 mmHg? Options: A. 828 mmHg B. 644 mmHg C. 644 mmHg (absolute)

Zavaz asked Oct 18, 2024

by Zavaz

8.6k points

1 answer

0 votes

221k views

A weight is attached to the free end of a sonometer wire. It gives resonance at a length of 40 cm when resonanced with a tuning fork of frequency 512 Hz. The weight is then immersed wholly in water. The

Bdoubleu asked Oct 18, 2024

by Bdoubleu

7.3k points

1 answer

2 votes

206k views

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