Recent activity by John Downey

Recent activity by John Downey

What is the change in the internal energy of a system that absorb 1,200 J of heat and that does 7,218 J of work on the surroundings at constant pressure?

answered Dec 17, 2024

1 answer 112k views

A satellite moves around the earth in a circular orbit at a height of 6,000 km. Find its speed. Responses 20 km/s 20 km per s 6 km/s 6 km per s 4 km/s 4 km per s 5 km/s

asked Dec 6, 2024

1 answer 57.8k views

Is y = 6x - 4 proportional

asked Aug 15, 2024

2 answers 33.5k views

The masses mi are located at the points pi. Find the moments Mx and My and the center of mass of the system.

asked Aug 10, 2024

1 answer 35.4k views

For the function f defined by f(x)=ax^2−15, where a is a constant and f(3)=10, which of the following is equal to the value of f(5)? a. 5a−40 b. 25a−40 c. 10a−15 d. 20a−15

answered May 27, 2024

1 answer 200k views

Considering only the values of θ for which sec θ (1-sin²θ ) is defined, which of the following expressions is equivalent to sec θ (1-sin²θ ) ? A. Cos θ B. sec³θ C. csc θ D. sin θ tan θ E. sec²θ

asked May 19, 2024

1 answer 52.4k views

T/F: It is okay to certify a timecard with pending leave and/or premium pay requests for the current pay period for your employees.

asked May 12, 2024

1 answer 78.2k views

List each element symbol, element name, and number of atoms of each element present in the compound. -Aspirin -CoH804

asked May 7, 2024

1 answer 160k views

Determine the isotope symbol that fits each description. a. Carbon-12 b. Oxygen-16 c. Uranium-235 d. Hydrogen-1

asked Apr 27, 2024

1 answer 224k views

Listing What Natural resources of India were developed under British rule? How could the development of natural resources cause problems for the two sentences?

answered Apr 24, 2024

2 answers 87.7k views

what is the maximum tension force that will allow both moves to move together without slipping relative to each other physics

asked Apr 11, 2024

1 answer 135k views

The Kₛₚ of nickel(II) hydroxide, Ni(OH)₂, is 5.84×10⁻¹⁶. Calculate the molar solubility of this compound.

asked Mar 27, 2024

1 answer 15.2k views

The volume of this cone is 1,017.36 cubic inches. The radius is 9 inches. What is the height of this cone?

answered Dec 27, 2023

1 answer 35.3k views

Using complete sentences, identify the three major mountain ranges in the United States, and describe the relative location of each range. What are the main differences between the eastern ranges and the

asked Nov 22, 2023

2 answers 164k views

Graph the inequality.3x+4y>4

asked Aug 3, 2023

1 answer 206k views

What is the distance from zambia to America and how long does it take

answered Jul 28, 2023

1 answer 39.1k views

What two things might happen to the Earth if the rainforests are burned?

asked Apr 19, 2023

1 answer 31.3k views

What is 0.¯47 expressed as a fraction in simplest form?

answered Apr 14, 2023

1 answer 145k views

What is the solution to the equation ſ x+1= 3x-79X=-16X=-4x=4X= 16

asked Apr 10, 2023

1 answer 99.4k views

A resistor is a device that converts chemical energy into electrical energy. Is this true or false?

answered Mar 12, 2023

1 answer 184k views

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