10/04/19

what is the difference between pass by reference and pass by value in c Programming?
pass by reference and pass by value in c Programming
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10/01/19

Help needed on trigonometry identities.
Equation 1: a2sinθ2 = a3sinθ3 - a1sinθ1Equation 2: a2cosθ2 = a4 - a1cosθ1 + a3cosθ3Answer: a22 = a12 + a32 + a42 - 2a1a3sinθ1sinθ3 - 2a1a4cosθ1 + 2a3a4cosθ3 - 2a1a3cosθ1cosθ3What is the method to... more
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09/29/19

Maximum force and revolutions
An ant is at the end of a fan blade when it is turned on. It is a high speed fan with blades measuring 0.20 m long. If the ant has a mass of 0.20 g and can hold on to the fan blade with a maximum... more
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09/28/19

What is the velocity of a javelin that travels 45 meters in 3 seconds?
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09/27/19

1-D motion Incline question.
A person riding a bike has traveled 76.3 m up a hill inclined at 16.0°. At that point, the chain on the bike breaks, so the rider stops and coasts back down the hill. How much time does it take to... more
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09/27/19

A 80 cm long metal bar with mass 40 grams is attached to a pivot with a massless string 60 cm long. Find the kinetic energy of the bar when it is rotated at a rate of 3 revolutions per second.
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09/20/19

Suppose the quadratic function f(x) = ax^2 + bx + c with f(−2) = 0 and -b/2a=1. Solve f(x) = 0
I need help with this problem please :)
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09/20/19

A net force of 20 N gives an object an acceleration of 3.8 m/s2. What net force is needed to give the same object an acceleration of 7 m/s2?
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09/16/19

Acceleration of mass

Two flexible balls rolling along a frictionless horizontal surface collide with each other. The larger of the balls weighs 50 g and the smaller weighs 30 g. Immediately after the balls first touch... more
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09/13/19

Moment of Inertia

A cheerleader has a batton consisting of light rod of 1m and an point mass of 1/2kg at each end.Find the moment of inertia about1.an axis perpendicular to the rod and passing through the... more
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09/10/19

Let P (x,y) be a point on a graph of y=x^2-8
A) express the distance d From p to the origin as a function of xB) what is d if x=oc) what is d if x=1d) what is the equation of d=d(x)e) for what values of x is do the smallest
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09/10/19

you figured out that you could make $50 per pool to clean pools during the summer. you did, however, need to purchase some equipment to get started.

After cleaning three pools, you still were down a total of $15.a) write an equation to represent this situationb) what is the y-intercept represent AND what does it represent?c) how much money will... more
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09/09/19

Juan throws a baseball with an initial speed of 42 m/s at an angle of 45 0 above the horizontal. Richard catches the ball at the same height that Juan threw it. How far did Juan throw the ball?
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09/05/19

Projectile Homework
Lucy and her friend are working at an assembly plant making wooden toy giraffes. At the end of the line, the giraffes go horizontally off the edge of a conveyor belt and fall into a box below. If... more
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08/15/19

The difference of twice a number and 7 is 9
I need to know this in an equation form
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08/11/19

Equation relating to stopping distance to velocity

Driving on the Autobahn in Germany, you have to brake suddenly. Let’s assume that the stopping distance of a car varies directly as the square of the velocity of car when the brakes are applied. A... more
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08/08/19

Probability Question
A bag contains 5 white balls and 8 red balls. Three balls are drawn, without replacement, from the bag. (Enter your probabilities as fractions.)(a) What is the probability that all three balls are... more
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04/27/19

Find the missing values assuming continuously compounded interest. What is the time to double?

Initial investment $1000, Annual %rate 9.2%, Time to Double?, Amount after 10 years?
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C

04/26/19

Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?I thought of using either case statements/if... more
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C

04/11/19

How to print a int64_t type in C?
C99 standard has integer types with bytes size like int64_t. I am using the following code: #include #include int64_t my_int = 999999999999999999; printf("This is my_int: %I64d\ ",... more
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