Recent activity by Alexey Petushkov

Question

A truck of mass 2.40×103kg is moving at 25.0 m/s . when the driver applies the brakes, the truck comes a stop after traveling 48.0 m . how much time is required for the truck to stop?what is the magnitude

answered Dec 28, 2024

1 answer 14.2k views

1) A bowl is a hemisphere with radius 6 cm Water fills two-fifths of the volume of the bowl. The water is poured into a hollow cone. The depth of the water in the cone is 12 cm. the volume of a sphere

answered Dec 19, 2024

1 answer 103k views

Think and write how you will separate a mixture of water, sand, salt and iron filings. You may have to use a method not given in the chapter to separate sand and iron filings. Think−which property of iron

answered Nov 15, 2024

1 answer 156k views

It takes little migration to counter the effects of: A) Genetic drift B) Founder effects C) Inbreeding D) Natural selection

answered Oct 7, 2024

1 answer 191k views

Starlings sometimes assemble in large flocks that, in the evening, rise up in whirling flight together for 15 or 20 minutes in what looks like some kind of display. Professor Wynne-Edwards has suggested

asked Oct 5, 2024

1 answer 227k views

A normal Helium nucleus consists of two protons and two neutrons. The protons actually repel each other because they have the same charge. The main force that holds this nucleus together is__________.

asked Oct 4, 2024

1 answer 77.8k views

How did the Roman rulers, after the Five Good Emperors, weaken Rome's influence?

answered Aug 24, 2024

1 answer 139k views

How many milliliters of boiling water are required to dissolve 25 g of phthalic acid?

answered Aug 7, 2024

1 answer 121k views

When closing a negative message, explaining the steps being taken to avoid similar mistakes in the future A) is a bad idea, since it distracts attention from the main idea. B) is helpful, even when those

answered Jul 25, 2024

1 answer 218k views

Bruno is setting up his workout plan. he wants lots of variety in his workouts and wants to incorporate both aerobic and anaerobic types of exercises. what is the difference between these two types of

answered May 29, 2024

1 answer 210k views

Let Σ={1,#} and let Y={w∣w=x ₁ #x ₂ #⋯#x k for k≥0, each x ᵢ ∈1 ∗ , and x ᵢ=x ⱼ for i=j}. Prove that Y is not regular.

asked Apr 27, 2024

1 answer 26.8k views

I dont understand it

asked Mar 12, 2024

1 answer 63.5k views

Which of the following best describes the concept that the consideration is not equal in contract law? 1) Adhesion 2) Warranty 3) Subrogation 4) Aleatory

asked Feb 9, 2024

1 answer 65.1k views

What was formed by the Catholic Church as the sole body responsible for the election of popes? O The Camera O The College of Cardinals O The Papal Council O The Curia

answered Jan 23, 2024

1 answer 219k views

Consider the function f(x) = x2 + 8x +1. Which equation shows function f written in vertex form? f() = (x + 8)2 +1 f(x) = (x – 4)²+1 f(x) = (x – 8)² – 17 f()= (x +4)2 - 15

answered Oct 24, 2023

1 answer 93.1k views

An engine of a train has to apply a force of 4000 newton to overcome friction. To run at a uniform rate of 60km/hr, What is the power developed by the engine?

asked Sep 17, 2023

1 answer 14.8k views

Why there is presence of double or triple bond between carbon?

answered Jul 25, 2023

1 answer 54.4k views

4. Alicia wants to put ribbon around 6 place mats. Each place mat is a rectangle that is 19 inches long and 13.5 inches wide. How much ribbon does Alicia need for her place mats? A 256.5 inches B. 65 inches

asked Jun 19, 2023

1 answer 44.9k views

For this assignment, you will research a specific athletic skill (shooting a free throw, throwing a football, dribbling a soccer ball, fouette turns in ballet, etc..). Your task is to select an athletic

asked May 20, 2023

1 answer 34.6k views

The expressed or physical traits of an organism are referred to as its

answered Mar 25, 2023

1 answer 217k views

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