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Two children send signals along a nylon cord tied between tin cans 18 m apart. How long does it take the longitudinal vibrations in the string to go from one child to the other? Nylon has density p = 1.

Systemkern asked Dec 28, 2024

by Systemkern

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2 answers

2 votes

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If two objects travel through space along two different curves, it is often important to know whether they will collide. (Will a missile hit its moving target? Will two aircraft collide?) Their paths might

Sander Van Keer asked Dec 28, 2024

by Sander Van Keer

7.1k points

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4 votes

15.2k views

A speeder who is doing 40 mi/hr (17.9m/s) in a 25 mi/hr zone approaches a parked police car. The instant the speeder passes the police car, the police car, the police begin their pursuit. If the speeder

Mats Petersson asked Dec 28, 2024

by Mats Petersson

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1 answer

4 votes

111k views

What is the velocity of an object with a mass of 0.125 kg and a height of 0.35 m? a. 3.68 m/s b. 4.56 m/s c. 5.92 m/s d. 6.47 m/s

Tengu asked Dec 28, 2024

by Tengu

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1 answer

4 votes

34.5k views

All dangerous components have been removed from the _____ missile on display in the science museum. a. Inert b. Active c. Nuclear d. Experimental

Krimo asked Dec 28, 2024

by Krimo

7.9k points

1 answer

5 votes

36.2k views

Which of these is an example of converting gravitational potential energy to kinetic energy? a) A person running on a level track b) An apple falling from a tree to the ground c) A rope spring that makes

Nader Magdi Mahfouz asked Dec 28, 2024

by Nader Magdi Mahfouz

8.6k points

1 answer

3 votes

198k views

You and your friend are standing in front of a conveyor belt at an airport. The belt moves at a velocity V=0.8 m/s, and it is l=200 m long. At a given moment, you step on the conveyor belt while your friend

Kleopatra asked Dec 28, 2024

by Kleopatra

8.8k points

1 answer

0 votes

50.4k views

What is a constant, even-flowing electrical current that travels in one direction only called? a) Microcurrent b) Tesla high-frequency current c) Direct current d) Alternating current

Alexander Shtang asked Dec 28, 2024

by Alexander Shtang

8.0k points

1 answer

0 votes

235k views

Claim: How does mass affect gravity? Evidence: Give at least 2 pieces of information to support your claim. Reasoning: Discus the factors affect gravity and how they affect it

Grahame A asked Dec 28, 2024

by Grahame A

8.1k points

1 answer

2 votes

173k views

The 62-lb mulching machine has a center of gravity at g. Where is the center of gravity located? a) Center b) Top c) Bottom d) Not specified

GILO asked Dec 28, 2024

by GILO

8.0k points

1 answer

4 votes

169k views

What happens to surroundings if you release the heat energy from vapor?

Eric Bergman asked Dec 28, 2024

by Eric Bergman

7.5k points

1 answer

0 votes

53.6k views

What is the subject of the question? 1) metaphysics 2) ontology

Joe Patten asked Dec 28, 2024

by Joe Patten

7.9k points

1 answer

1 vote

201k views

Which statement correctly distinguishes between mechanical and electromagnetic waves? Electromagnetic waves carry energy through matter; mechanical waves carry energy through space. Mechanical waves carry

Alfat Saputra Harun asked Dec 28, 2024

by Alfat Saputra Harun

7.9k points

1 answer

0 votes

44.3k views

Point charges q₁=−4.70nC and q₂=4.70nC are separated by a distance of 3.20 mm, forming an electric dipole. Describe the characteristics of the electric dipole created by these charges, including its

Dusty Boshoff asked Dec 28, 2024

by Dusty Boshoff

8.1k points

1 answer

3 votes

6.1k views

A brass rod ((Y=90×10^9 N/m^2)), with a diameter of (0.800 cm) and a length of (1.20 m) when the temperature is (25°C), is fixed at both ends. At what temperature is the force in it at (36,000 N)? a) Determine

Andrey Kamaev asked Dec 28, 2024

by Andrey Kamaev

8.3k points

1 answer

0 votes

205k views

Starting from rest, a disk rotates about its central axis with constant angular acceleration. A) Its angular velocity decreases B) Its angular velocity remains constant C) Its angular velocity increases

Remy Wang asked Dec 28, 2024

by Remy Wang

8.9k points

1 answer

0 votes

221k views

Find the value of x. Round the length to the nearest tenth.

Mohamed Mahdi asked Dec 28, 2024

by Mohamed Mahdi

8.5k points

1 answer

2 votes

152k views

Un grupo de astrónomos desea calcular la fuerza de atracción gravitacional de los siguientes objetos celestes y ordenar los datos obtenidos para enviarlos a una revista científica. Ayúdalos a realizar

Amitizle asked Dec 28, 2024

by Amitizle

7.5k points

1 answer

5 votes

170k views

How has the car affected the way people live? Give three ways

SelimOber asked Dec 28, 2024

by SelimOber

8.7k points

2 answers

2 votes

97.6k views

Urgent!!! Consider the mass-on-a-spring system as shown in the figure below. The spring has a spring constant of 1.45e+3 N/m, and the block has a mass of 0.807 kg. There is a constant force of kinetic

Paul DS asked Dec 28, 2024

by Paul DS

7.5k points

1 answer

4 votes

214k views

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