09/21/21

Salmon often jump waterfalls to reach their breeding grounds.
Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 2.26 m away from a waterfall 0.509 m in height, at what minimum speed must a salmon jumping at an angle of 27.5 ◦... more
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09/19/21

Trying to find how much you would have to lower the temp to make the rod fit the hole
A machinist wishes to insert a copper rod with a diameter of 8 mm into a hole with a diameter of 7.998 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make... more
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09/19/21

(Physics) Picture suspended on wall by two strings
A picture on a wall is hung up by two strings. String 1 exerted a force T1 with a magnitude of 2.4 N at an angle of 73 degrees above the horizontal. String 2 exerts a force T2 at angle of 47... more
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09/18/21

Suppose you're given the following table of values for the function f(x), and you're told that the function is even. Then:
x: -2, -.35, 0, .53,1 f(x): 5, -3, 2, 2, -5A. f(2)= -5B. something is wrong. Given the table of values, the function can't be even.C. f(-1) - f(2)= -10D. f(0) + f(-.53)= 0E. f(.35) + f(-.53)= 1
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09/17/21

Find the Total Force if there is a 70 kg box on a surface with k = 0.5, and it is pushed with a force of 400 N.
Find the Total Force if there is a 70 kg box on a surface with k = 0.5, and it is pushed with a force of 400 N.
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09/17/21

Physics Homework :(
1. What is the voltage of an AA dry cell if the internal chemical action does 25 J of work whilesupplying 11 C of charge to operate a small bulb?2. The battery required by a smoke detector can... more
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09/16/21

Boolean Expression Grammar
Write a grammar for Boolean expressions , assuming that we already have rules in our grammar for arithmetic expressions . Arithmetic expressions might be simple literals like 3 or 97 or may be... more
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09/16/21

Given the following method definitions for the Date class, identify the type of method (accessor or mutator),

Given the following method definitions for the Date class, identify the type of method (accessor or mutator), the return data type, if any, the explicit parameter data types, if any, and... more
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09/16/21

Help please determine if the function is an eigenfunction of the operator. If so, determine the eigenvalue. function: e^(-i4x)

determine if the function is an eigenfunction of the operator. If so, determine the eigenvalue.function: e^(-i4x) operator: -i  d/dx
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09/14/21

A Polynomial P is given. P(x) = x4 − 5x3 + 6x2 + 4x − 8 | Find all the real zeros of P. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)
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09/13/21

An object falls from the Transco Tower in Houston and takes 15 seconds to reach the ground. What is its acceleration at the 10th second?
5 m/s2 15 m/s2  9.8 m/s2 30 m/s2 
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09/13/21

Physics question

1) I know that acceleration is the change in velocity. So does even the slightest change in acceleration mean that there was a slight change in velocity? 2) Also, on a velocity vs. time graph, how... more
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09/12/21

Physics cord force
https://drive.google.com/file/d/1W5uJY9v1bJS4EsR1yFjxK1WDwZ84k-hg/view?usp=sharingPull Force = 40 lb, coefficient stiffness is 35 lg/ft. Length Cord AB is d =1.5 ft long. The angle is θ = 33... more
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09/12/21

A remote controlled toy car starts from rest and begins to accelerate in a straight line. The figure below represents "snapshots" of the car's position at equal 0.5 s time intervals.
A remote controlled toy car starts from rest and begins to accelerate in a straight line. The figure below represents "snapshots" of the car's position at equal 0.5 s time intervals. (Assume the... more
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09/12/21

monte hall question
Suppose you are a participant in a game show. You have a chance to win a motorbike. You are askedto select one of the 500 doors to open; the motorbike is behind one of the 500 doors; the other... more
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09/11/21

1. How much stronger is the gravitational force of the Sun on Earth, compared to the gravitational force of the Sun on Pluto?

Full question: How much stronger is the gravitational force of the Sun on Earth, compared to the gravitational force of the Sun on Pluto? Pluto’s semimajor axis is 40 AU, and its mass is 0.002... more
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09/06/21

40 - 10cos(2x) + 40sin(2x)=0 How can I solve the following equation because I'm really stuck?

40 - 10cos(2x) + 40sin(2x)=0I need to solve for x and I really want to see and understand the steps needed to reach the correct answer.Thanks in advance
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08/27/21

Slove the math step by step and send the slove pic in the meassge.
A stone with a weight of 4.25 N is launched vertically from ground level with aninitial speed of 18 m/s and the air drag on it is 0.25 N throughout the flight.(a) Find the maximum height reached... more
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07/24/21

help needed asap!
The original function for this question is A(t) = A0(1/2)t/h .This question is about cobalt-57 and half life.1. Find the inverse of the function from question 2. You can't use natural log (LN).2 .... more
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06/29/21

C++ please check if it’s correct or not
The assignment is:Write a tiny library and submit it in files AboutDog.h and AboutDog.cpp.This library has the only function: void AboutDog(const std::string & dogName, unsigned int... more
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06/15/21

How will we find any kind of error without debugging?
Is this possible to find any kind of error without debugging? Please anyone help me to find out the answer.
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06/14/21

Factor reminder math question.
When a negative integer x is divided by -5, the remainder is 1. When x is divided by 8, the reminder is -4. What is the largest value of the of the negative integer y such that x multiplied by y is... more
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06/14/21

Explain why the restriction is necessary in the power rule (read Desc)
Explain why the restriction is necessary in the power rule ∫ x^n dx = [x^(n+1) / n+ 1] + C
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06/13/21

A ladder 20 − 𝑚. long is leaning against an embankment inclined 60o with the horizontal.

A ladder 20 − 𝑚. long is leaning against an embankment inclined 60o with the horizontal. If the bottom of the ladder is being moved horizontally towards the embankment at 1 𝑚⁄𝑠 , how fast is the... more
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06/13/21

Find probability using Normal Distribution
X is a normally distributed random variable with mean 44 and standard deviation 24.What is the probability that X is between 35 and 53?(35-44)/24=-0.375 z score= .00009(53-44)/24= 0.375 ... more
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