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The angular velocity of the belt of a grindstone is 40 rad/s. To what angle does the belt rotate in one minute. Given your answer a) in rad b) in rev and c) in degree.

Pablo Ruan asked Oct 15, 2024

by Pablo Ruan

8.3k points

1 answer

2 votes

75.8k views

a student wants to make a model to show how friction works. which of the following ideas best demonstrates friction?

Nikhil Borad asked Oct 15, 2024

by Nikhil Borad

7.7k points

1 answer

4 votes

41.4k views

A cherry pie in a 10.50 in diameter plate is placed upon a rotating tray. The tray is rotated such that the rim of the pie plate moves through a distance of 258 in. Express the angular distance that the

Lyonel asked Oct 15, 2024

by Lyonel

8.2k points

1 answer

2 votes

142k views

How is the average speed of a 400-m relay less than that of a 100-m sprint, despite the latter starting from a stopped position? a) The 400-m relay involves faster runners compared to the 100-m sprinters.

GingerLoaf asked Oct 15, 2024

by GingerLoaf

8.6k points

1 answer

3 votes

106k views

A 200.0g copper wire loses 2350J of heat after it is removed from the electrical grid. What is the change in temperature of this copper wire? (The specific heat of copper is 0.38452 J/g°C) 51.6 0C 60.2

Jakub Fojtik asked Oct 15, 2024

by Jakub Fojtik

8.8k points

1 answer

3 votes

57.7k views

At what temperature C would one mole of diatomic oxygen have 5.0 x 10^3 J of kinetic energy

Martin Jespersen asked Oct 15, 2024

by Martin Jespersen

8.3k points

1 answer

4 votes

56.6k views

Molecules in a spherical container make wall collisions in a great circle plane of the sphere. All paths traveled between collisions are equal in length. Relate the path length to the angle and the sphere

Andrey Khataev asked Oct 15, 2024

by Andrey Khataev

8.2k points

1 answer

2 votes

10.0k views

A small cylindrical tube is to have a volume of 50 cm^3. Material for the top and bottom of the tube costs $0.15/cm^2; Material for the wall of the tube costs $0.10/cm^2. Express the total cost of the

GWed asked Oct 15, 2024

by GWed

9.7k points

1 answer

2 votes

232k views

I couldn't picture the idea behind the zero magnetic flux outside the solenoid properly. My teacher explained it as Components of the magnetic field in other directions are cancelled by opposing fields

Xonal asked Oct 15, 2024

by Xonal

8.5k points

1 answer

1 vote

47.7k views

An object of mass M₁ travels in a circular path of radius R on a horizontal table. The object is attached to a string that passes through a hole in the center of the table. An object of mass M₂ is attached

RodriKing asked Oct 15, 2024

by RodriKing

8.3k points

1 answer

0 votes

91.4k views

A 1,540 kg car driving at 30.0 m/s smashes into the back of a 2,300 kg truck driving at 10.3 m/s. how fast do the two vehicles move after the collision if they stick together?

Suncatcher asked Oct 15, 2024

by Suncatcher

8.3k points

1 answer

0 votes

63.4k views

A conical pendulum is formed by attaching a 500g ball to a 1m string to move in a horizontal circle of radius 20 cm. What is the tension in the string when the ball is at the highest point of its motion?

Hobblin asked Oct 15, 2024

by Hobblin

8.4k points

1 answer

4 votes

151k views

Two charges are aligned with a -2.5x10-6 C charge 0.50 m directly below a 3.0x10-6 C charge. Calculate the force acting on both charges, including direction. Show work please.

Tallandtree asked Oct 15, 2024

by Tallandtree

7.3k points

1 answer

0 votes

161k views

Which of the three waves below has the greatest frequency? Wave A - 3.2 x 10⁻⁸ m Wave B - 7.8 x 10⁷ m Wave C - 5.3 x 10¹¹ m

Conex asked Oct 15, 2024

by Conex

8.0k points

1 answer

2 votes

152k views

A pulsar is a(n) A) rapidly spinning neutron star. B) type of variable star, pulsating rapidly in size and brightness. C) very precise interstellar beacon perhaps operated by intelligent life forms. D)

Jsnfwlr asked Oct 15, 2024

by Jsnfwlr

7.7k points

1 answer

4 votes

170k views

Three reasons why incomplete combustion is almost always the probable case in a practical application such as automobile emissions?

Zaheeda asked Oct 15, 2024

by Zaheeda

8.4k points

1 answer

4 votes

103k views

The Law of Conservation of Mass states that _________. A. The entire mass of a chemical reaction's products equals the entire mass of its reactants collectively B. The entire mass of a chemical reaction's

Luis Vazquez asked Oct 15, 2024

by Luis Vazquez

8.7k points

1 answer

2 votes

106k views

What is the cut out and cut in pressure for the Grovner of the air suppresses?

Eepty asked Oct 15, 2024

by Eepty

7.8k points

1 answer

5 votes

63.7k views

1. A girl weighing 435 N jumps from a tree, and her center of mass falls a vertical distance of 1.50 m. Find the impulse necessary to bring her to rest. B) Over what time interval must the deceleration

Leigero asked Oct 15, 2024

by Leigero

7.8k points

2 answers

0 votes

42.8k views

What causes the kirkwood gaps of the asteroid belt? O orbital resonances with jupiter O orbital resonances with mars O orbital resonances with saturn O orbital resonances with earth O orbital resonances

Balu Mallisetty asked Oct 15, 2024

by Balu Mallisetty

7.9k points

1 answer

1 vote

74.8k views

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