12/19/20

A 28 kg boy sitting on a 12 kg go-kart starts from rest down a hill of height 9 m. What is the combined speed of the boy and go-kart when they reach the bottom of the hill?

A 28 kg boy sitting on a 12 kg go-kart starts from rest down a hill of height 9 m.What is the combined speed of the boy and go-kart when they reach the bottom of the hill?

12/19/20

Dennis drops a quarter from a skyscraper with floors spaced 3 m apart. If the quarter hits the ground at 25 m/s, how many floors above ground is Dennis?

Dennis drops a quarter from a skyscraper with floors spaced 3 m apart. If the quarter hits the ground at 25 m/s, how many floors above ground is Dennis? Ignore air drag.

12/19/20

vectors and projectile motion

A rock is thrown at 20m/s horizontally off a cliff 100m high.How far away from the cliff does the rock land?

Rational Functions

True or false. Horizontal asymptotes can be found by substituting extremely large negative and positive values for x to determine what value y-approaches.

Can anyone help me with these word problems?

-A baseball stadium has four entrance gates and nine exits. In how many ways may two men enter together, but leave by different exits?-In how many ways can a bridge hand of 13 cards be chosen from... more

12/16/20

What is the inverse of h(x) = 12x / (x-1)

12/16/20

supposed to archaeologists find scrolls and claim that they are 3000 years old .tests indicate that the scrolls contain 80% of their original carbon-14.

use the formula N(t)=N0e-0.00012t, determine if the archaeologist are correct.

12/16/20

Compiler Design

Consider the following instruction:a= b +c * d + e - f * 25;Now convert this high-level code snippet to low level (assembly language) code snippet by usingall the phases of a compiler.

12/16/20

need help with this question

A spring of a 1.00-kg mass with spring constant (k = 25 N/m) is set up horizontally on a frictionless table. The mass is pulled so that the spring is stretched 0.100 m from the equilibrium point as... more

12/16/20

PHYSICS QUESTION

(assuming a perfectly elastic collision), a ball with a mass of 2kg rolls at 2m/s towards a ball with a mass of 3kg rolling at 1m/s in the same direction. The balls collide. After the collision the... more

finite math help

A pharmaceutical company has surveyed a group of college students about mental illness and the following data is collected:* 53% know someone being treated for alcoholism* 45% know someone being... more

12/15/20

please what is the answer for the question below

If f’(x) and g’(x) exist and f’(x) > g’(x) for all real x, then the graph of y = f(x) and the graph of y = g(x).From the following choose the correct answer to the question above:A: Intersect... more

Conservation of Energy

The potential energy function of a conservative force acting on an object is given by the expressionU=y-2x2-2xwhere U is in joules and x, y, z are in meters. Consider the following two points in... more

12/15/20

What is the answer to this?

Find two numbers such that one number is 1/2 more than 1/4 the other number and the sum of the numbers is 9 . What is the value of the smaller number?

Find the two forces F1, and F2.

A diver of weight 1500 newtons stand at the end of a 4.0 meter diving board. Assume that the weight of the diving board is negligible. The board is attached to two pedestal that are 1.5 meters... more

12/14/20

Which of the following is NOT true when writing inline assembly code

options area. You can use register names as operands. b. Use assembler operators (other than PTR). c. Reference code labels and variables that were declared outside the asm block. d. Use the EVEN... more

12/14/20

A standard C++ technique that involves modifying a function name with extra characters that indicate the exact type of each function parameter is called___________.

Options area. Name Decoration b. Name Mangling c. Name Translation d. None of these

12/13/20

find the area of the shaded region

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