Questions by Celestina

Questions by Celestina

An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving? physical science!! help please

asked Oct 16, 2023

1 answer

24 votes

41.7k views

Which would be more likely to cause a catastrophic event if it hit our planet? A an asteroid B. a meteor C a comet

asked Jun 20, 2023

1 answer

1 vote

186k views

What is true for both endocytosis and exocytosis? A) Both take substances into the cell. B) Both release signaling molecules. C) Both decrease the surface area of the cell membrane. D) Both require energy.

asked Apr 18, 2023

1 answer

2 votes

56.2k views

Y= 3x + -2 y= x -4 HELP ME

asked Apr 11, 2023

1 answer

4 votes

202k views

Use the reaction equation and bond energies to answer the question.2H20 - 2H2 + 02H-O: 467 kJ/molH-H: 432 kJ/molO=0: 495 kJ/molWhat is the total energy of the reaction? Is this an endothermic or exothermic

asked Jan 15, 2023

1 answer

4 votes

69.2k views

HELP I NEED HELP ASAP

asked Sep 26, 2022

1 answer

4 votes

71.8k views

Suppose that the functions s and t are defined for all real numbers x as follows. s(x)=2x-2 t(x)=3x Write the expressions for (s-t)(x) and (s+t)(x) and evaluate (s⋅t)(-1) Can't seem to figure it out

asked Sep 26, 2022

1 answer

12 votes

167k views

Question 6 of 15 The artist who first successfully combined folk music and rock music was: O A. David Grisman. O B. Pete Seeger. O C. Bela Fleck. O D. Bob Dylan

asked Aug 4, 2022

1 answer

4 votes

109k views

This is due in 5 minutes somebody please help me

asked Mar 28, 2022

1 answer

2 votes

221k views

The perimeter of a rectangular city park is 1,428 feet. The length is 78 feet more than twice the width. Find the length and width of the park.

asked Oct 21, 2021

1 answer

3 votes

101k views

What polician promoted the Kansas-Nebraska Act and the idea of popular sovereignty? Henry Clay David Wiimot Stephen Douglas Charles Sumner NEXT QUESTION ASK FOR HELP

asked Oct 17, 2021

1 answer

4 votes

225k views

Thomas Edison and his team of researchers at Menlo Park, New Jersey, developed —

asked Sep 18, 2021

1 answer

3 votes

175k views

What was the main goal of Jewish ghettos during the Holocaust? *

asked Aug 24, 2021

1 answer

5 votes

155k views

By using a table if necessary, find the formula for the nth term of the following. a) 2, 5, 10 17,26

asked Jun 12, 2021

1 answer

2 votes

225k views

How much energy, in joules, is needed to heat 100.0 g of ethyl alcohol from 22.0°C to 60°C? The specific heat of ethyl alcohol is 2.44 J/g°C.

asked Mar 18, 2021

1 answer

2 votes

220k views

A square-base pyramid has the following measurements: The base edges are 3cm The height of the pyramid is 8cm What is the slant height of the pyramid?

asked Feb 28, 2021

2 answers

5 votes

78.4k views

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