Recent questions in Physics

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A mechanic applies a force of 200 n at the end of a spanner of length 20 cm. what moment is applied to the nut?

Ambes asked Jul 22, 2023

by Ambes

6.4k points

1 answer

6 votes

45.0k views

A wave traveling on a Slinky® that is stretched to 4 m takes 4.97 s to travel the length of the Slinky and back again.(a) What is the speed (in m/s) of the wave? 1.61 m/s b) Using the same Slinky® stretched

Aerijman asked Jul 22, 2023

by Aerijman

6.2k points

2 answers

1 vote

34.4k views

If several forces are exerted on a system, calculate the work done by each force, then multiply the results. Is this true or false?

Khadija Daruwala asked Jul 22, 2023

by Khadija Daruwala

5.8k points

1 answer

1 vote

34.6k views

Explain how asteroids and meteorites were a heat source for early Earth. Where is all that heat now that was generated from the Great Bombardment period?

JTtheGeek asked Jul 22, 2023

by JTtheGeek

7.2k points

1 answer

3 votes

158k views

What is the difference of Mitosis and Meiosis? Please explain it in easy way.

Radmation asked Jul 22, 2023

by Radmation

6.7k points

1 answer

7 votes

24.0k views

What is the mass of a block accelerating at 2 m/s2 and pushed by a 9 N force?

Ianaz asked Jul 22, 2023

by Ianaz

6.1k points

1 answer

2 votes

27.7k views

How does light travel?In straight linesAll of the sections In raysIn waves

Ngungo asked Jul 22, 2023

by Ngungo

6.6k points

1 answer

0 votes

205k views

Which statement is a correct definition of a material’s strength? A. the ability to deflect sound B. the ability to resist radiation C. the ability to withstand stress D. the ability to resist magnetism

Jessikwa asked Jul 22, 2023

by Jessikwa

5.8k points

2 answers

3 votes

57.8k views

A coin is dropped from a height of 421 m. calculate the velocity of the coin after 3 s

Rick Glimmer asked Jul 22, 2023

by Rick Glimmer

6.8k points

1 answer

2 votes

194k views

A driver travels northbound on a highway at a speed of 25.0 m/s. A police car, traveling southbound at a rate of 40.0 m/s, approaches with its siren producing sound at a frequency of 2500 Hz. (a) What

ScottA asked Jul 22, 2023

by ScottA

6.2k points

1 answer

3 votes

131k views

How do particles move when a surface wave passes through a medium? A. Neither parallel nor perpendicular to the direction of wave motion B. Parallel to the direction of wave motion C. Perpendicular to

Geeehhdaa asked Jul 22, 2023

by Geeehhdaa

6.0k points

1 answer

22 votes

120k views

The half-life for a 200 gram sample of radioactive element X is 5 days. How much of element X remains after 15 days have passed? A. 200 g - no change B. 25 g C. 50 g D. 12.5 g

GSala asked Jul 22, 2023

by GSala

6.7k points

1 answer

4 votes

193k views

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

6.8k points

1 answer

5 votes

187k views

If the density of 45.0 cm cubed block of wood is 0.65 g/cm calculate the woods mass

AdSR asked Jul 22, 2023

by AdSR

6.2k points

1 answer

2 votes

148k views

In a collision, if two objects are moving in opposite directions, what does that mean for their momentum values?

CREW asked Jul 22, 2023

by CREW

6.5k points

1 answer

0 votes

84.7k views

How to calculate maximum height given initial velocity.

Fqxp asked Jul 22, 2023

by Fqxp

5.5k points

1 answer

23 votes

56.4k views

A series of ocean waves, 5.0 m between crests, move past at 2.0 waves/s. Find their speed.

Itzhak asked Jul 22, 2023

by Itzhak

6.8k points

1 answer

0 votes

76.0k views

Determine how much heat needs to be transferred to 1 kg of ice at -10C to turn it into water at 15C. The specific heat capacities of ice and water are 2.1 and 4.2 kJ, respectively, the specific heat of

Yad Smood asked Jul 22, 2023

by Yad Smood

6.3k points

1 answer

0 votes

136k views

the anti-lock brake system engages every time the driver applies the brakes. group of answer choices true false

Garric asked Jul 22, 2023

by Garric

7.2k points

1 answer

3 votes

208k views

A meter is larger than a kilometer

H H asked Jul 22, 2023

by H H

6.5k points

1 answer

4 votes

22.2k views

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