Questions by Pradeepb

Questions by Pradeepb

In a closed system of a cannon and cannonball, which changes would both result in an increase in the kinetic energy of the cannonball when fired from the cannon?

asked Jun 20, 2022

2 answers

5 votes

75.9k views

An object located 32.0 cm in front of a lens forms an image on a screen 8.00 cm behind the lens. (a) Find the focal length of the lens. (b) Is the lens converging or diverging?

asked May 15, 2022

1 answer

4 votes

215k views

How many rounds of dna replication are there in a meiotic cell cycle?

asked Mar 5, 2022

1 answer

3 votes

140k views

Z = b + a + m , for a

asked Jan 23, 2022

1 answer

4 votes

57.3k views

An electron with a speed of 0.965 c is emitted by a supernova, where c is the speed of light. What is the magnitude of the momentum of this electron?

asked Nov 24, 2021

2 answers

2 votes

123k views

In the diagram below, what is the approximate length of the minor arc xy ?

asked Oct 15, 2021

2 answers

5 votes

142k views

A scientist plants two rows for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the height

asked Oct 11, 2021

1 answer

4 votes

48.0k views

Ken and Leah are doing homework and trying to solve a science problem. They must find how much a rock weighing 3 pounds on Earth would weigh on Saturn. They know they can multiply the weight on Earth by

asked Oct 4, 2021

1 answer

3 votes

162k views

Round each number to the nearest thousand and then subtracting

asked Jul 25, 2021

1 answer

3 votes

94.3k views

25% While standing in line, a student notices that some students are really tall, some are approximately her height, and others are very short. From her observations, what could be a logical inference

asked Jun 2, 2021

1 answer

3 votes

191k views

Write the significance of atmosphere

asked May 27, 2021

2 answers

2 votes

124k views

A class of biology students conducted an experiment on ants. Each group was randomly assigned 20 ants. Each ant was placed halfway between food located down a dark-colored path and food located down a

asked May 17, 2021

2 answers

3 votes

43.9k views

A child walks 3/10 of a mile in 1\5 hour. At this rate, how far will the child walk in 1 hour

asked Apr 1, 2021

1 answer

4 votes

102k views

How to solve 1/4(x-5)=1/3(x+2)

asked Feb 28, 2021

1 answer

5 votes

179k views

Can someone help please

asked Oct 26, 2020

1 answer

4 votes

143k views

Which ocean zone lies inside v-shaped trenches

asked Jun 2, 2020

2 answers

2 votes

194k views

Time management is primarily the act of using time calmly. effectively. quickly. thoughtfully.

asked Mar 24, 2019

2 answers

5 votes

54.5k views

A Spanish soldier describes Tenochtitlan: "The great city...has many broad streets, though among these are two or three pre-eminent. All travel by...canoes, as I have said, and without these they could

asked Dec 25, 2018

2 answers

0 votes

210k views

Write the equation for the dissolution of sodium carbonate in water as found in your laboratory guide. Na˘2CO˘3 + 2H˘2O —› 2Na^+ + 2OH^- + H˘2CO˘3 When sodium carbonate is dissolved in water, it doesn’t

asked Nov 2, 2018

1 answer

4 votes

175k views

The Iran-Contra affair during the Reagan administration began with the U.S. selling arms to Iran in exchange for what?

asked Oct 25, 2018

2 answers

3 votes

232k views

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