05/28/24

Does a solid object itself actually “do anything” to reflect light?
So does the solid object itself - in this instance a ball do anything? Like does the ball itself absorb and reflect, or is that really the atoms and molecules that make up the solid. (for example:... more
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11/13/23

finite math question
Urn 1 contains 5 red and 5 white balls. Urn 2 contains 2 red and 7 white balls. A ball is drawn from urn 1 and placed in urn 2. Then a ball is drawn from urn 2. If the ball drawn from urn 2... more
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09/18/23

what would be a two-dimensional aspect of a cardboard box? what customary unit would you use and what metric unit would you use?
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09/09/22

Kinematics lab question
Procedures Lay out a 50 meter course marking the ground every 5 meters. Leave 10 meters before and after the course for speeding up and slowing down. Position one timer and one data recorder at... more
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10/25/21

(a) For a constant a, find the average y value for the region between y = a + 1 and y = x2 + a. (b) For what value of a is the average y value in Part (a) zero?
(a) For a constant a, find the average y value for the region between y = a + 1 and y = x^2 + a.(b) For what value of a is the average y value in Part (a) zero?
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06/10/21

Please help me solve this problem
Open the simulation and double check that the settings on your screen are the same as shown in the image below. In this simulation, a string is pulling on a block, dragging it so that it moves... more
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01/06/21

Find the time required for an investment of 5000 dollars to grow to 8800 dollars at an interest rate of 7.5 percent per year, compounded quarterly.
Find the time required for an investment of 5000 dollars to grow to 8800 dollars at an interest rate of 7.5 percent per year, compounded quarterly.I did 8800=5000(1+(0.075)/(4))^((4*t)) and got 7.6... more
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12/15/20

Kepler and Conservation of Energy
I need help wtih the following question:Consider the motion of a satellite with mass  m around a planet with mass  M (assume M>m). The orbit is elliptical.When the satellite is closest to the... more
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11/20/20

physics question
A rightward force is applied to a crate to push it across the floor at a constant speed. Ignore air resistance.The applied force is 6.80 N.The crate is 10 kg.What is the value of the opposing... more
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10/12/20

What are some impacts of physics in our society? List 3 impacts and explain all 3.
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10/09/20

help me please!
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching this first snowball, you throw a second snowball at a low angle and time... more
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04/14/20

Whats the answer for these linear transformations questions?
Q1: use function to find (a) the image of v and (b) the preimage of w. 1-T(v1,v2)=(v1+v2,v1-v2),v=(3,-14),w=(3,19) 2-T(v1,v2,v3)=(v2-v1,v1+v2,2v1),v=(2,3,0),w=(-11,-1,10) Q2:determine whether the... more
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01/30/20

How many ways can the selection be made if no more than one ball point pen is selected?
Assume that the student has a cup with 7 writing implements: 4 pencils, 2 ball point pens, and 1 felt-tip pen.The student draws 4 writing implements. How many ways can the selection be made if no... more
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01/26/20

Could you please help me out with this exercise?
For the function f(x)=5x2−3x+3, evaluate and fully simplify each of the following.f(x+h) =    f(x+h)−f(x)h =  
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01/09/20

Use the graph of f '(x) below to find the x-values of the relative minimum on the graph of f(x):
Use the graph of f '(x) below to find the x-values of the relative minimum on the graph of f(x): A: 0.5B: 2 and 0C: 1D: 1.5
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01/09/20

Equation reaction

carbon monoxide (co) reacts with H2O to make carbon dioxide (co2) and hydrogen gas (h2). All molecules in the balanced equation have a coefficient of 1 and the reaction is reversible. In the space... more
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01/01/20

Linearization and approximation
Which of the following is the best linear approximation for f(x) = sin(x) near x = π seconds?Options: y = -x + π - 1 y = -1 y = -x + π y = -x - π
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11/13/19

Proof chart to explain how r is parallel to t
Given: r is perpendicular to s and t is perpendicular to s Prove: r is parallel to t
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10/08/19

2x+2=y in standard form.
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10/08/19

annoying math i dont understand
A bank loaned out $18,500, part of it at the rate of 7% annual interest, and the rest at 3% annual interest. The total interest earned for both loans was $1,255.00. How much was loaned at each... more
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09/30/19

SCalcET8M 3.8.017 PHYSICS HELP
Suppose that a population of bacteria triples every hour and starts with 600 bacteria. Find an expression for the number n of bacteria after t hours.n(t) =Use it to estimate the rate of growth of... more
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09/29/19

A case of 24 pairs of the same kind of sport shoes costs a little more than $800. Explainwhether $28 per pair with tax included is a good estimate of the price.

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09/29/19

Grade 12 Data Management Question

Permutations are formed using all the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 without repetition. Determine the number of possible permutations in each of the following cases. a) Even and odd digits... more
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09/29/19

Find four consecutive integers such that when the difference of the greatest and least is combined with the sum of the middle two integers the result is 46.
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09/29/19

Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. P = 16,000, r = 4, t = 6, m = 12
Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.) P... more
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