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Tina

Questions (557)

To win the game, a place kicker must kick a football from a point 20 m (21.872 yd) from the goal, amd the ball must clear the
1. 1 answer
2. 613 views
How many mL of O2 will form from 55.2g KClO3?
1. 2 answers
2. 1,579 views
If you had a fraction strip folded into twelfths, what fractionallengths could you measure with the strip? b. How is your answer
1. 6 answers
2. 615 views
find the limit as x approaches zero of (3sin2x)/sin7x and show work
1. 1 answer
2. 419 views
You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum
1. 5 answers
2. 2,618 views
An Olympic long jumper is capable of jumping 8.3 m. Assume that his horizontal speed is 9.5 m/s as he leaves the ground. He was
1. 1 answer
2. 847 views
At what projection angle will the range of a projectile equal to 5 times its maximum height?
1. 1 answer
2. 605 views
A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the
1. 1 answer
2. 544 views
Two boxes of masses 21.6 kg and 28.2 kg sit on a smooth, frictionless surface. The boxes are in contact, and a horizontal force
1. 1 answer
2. 1,150 views
A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the
1. 1 answer
2. 3,731 views
I cannot calculate the gravitational force between these two objects. I am confused.Jupiter (R=800 million km, M = 2 x 10 to the
1. 1 answer
2. 433 views
is force and normal force the same thing? if not what is the difference. for instancee if a problem said given a force of 20
1. 1 answer
2. 465 views
what equation would I use to find the magnitude of the mass's velocity?
1. 1 answer
2. 363 views
how do you find the magnitude of the mass's velocity?
1. 1 answer
2. 275 views
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline,
1. 1 answer
2. 757 views
Find constants a and b in the function f(x)=ax^b/(ln(x)) such that f(19)=1 and the function has a local minimum at x=19. What is
1. 1 answer
2. 1,558 views
A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held
1. 1 answer
2. 533 views
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a
1. 1 answer
2. 616 views
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is
1. 1 answer
2. 546 views
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is
1. 1 answer
2. 569 views
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline,
1. 1 answer
2. 731 views
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline,
1. 1 answer
2. 789 views
A doctor has ordered that a patient be given 11 of glucose, which is available in a concentration of 60.00 glucose/1000.0 of
1. 0 answers
2. 667 views
Point M is the midpoint of line JK. If JM is 6x-7 and MK is 2x+3 what is JK?
1. 3 answers
2. 1,351 views
A 21.0054 g sample of impure magnesium carbonate was heated to complete decompositionaccording to the equation MgCO3(s) →
1. 0 answers
2. 1,012 views
In the reaction below, 23 g of H2S with excessO2 produced 9 g of sulfur. ? H2S + ? O2 → ? S + ? H2O . What is the percent
1. 0 answers
2. 1,076 views
For the reaction? Al + ? CuSO4 ↽⇀? Al2(SO4)3+? Cu a maximum of how many moles of Al2(SO4)3 could be formed from 5.49 mol of
1. 0 answers
2. 1,141 views
solev the compound inequality 2x-9/8<-7 or 2x-9/8>6
1. 1 answer
2. 552 views
According to Peter Saundry there is no true universal code of ethics because standards of conduct vary from place-to-place and
1. 1 answer
2. 413 views
For the most part, mortgage loans are made by __________ institutions. (Points: 5)a. lending b. personal c. private 4.
1. 1 answer
2. 334 views
A gas at a temperature of 95 degrees C occupies a volume of 159 mL. Assuming constant pressure, determine the volume at 15
1. 1 answer
2. 408 views
Suppose the following summary statistics are obtained from a large group of individuals:X =52.0, Sx= 8.7, Y =147.3, Sy = 16.9.
1. 1 answer
2. 357 views
Each of the follwing sentences need to be re-written so they are grammatically correct, also they each have one grammaitical
1. 6 answers
2. 1,164 views
Can you tell me the grammatical error on the following sentences eg:subject-verb agrrement, run on sentence, verb form and
1. 1 answer
2. 632 views
Suppose you invest your money into an account that pays 4.0% per year compounded quarterly. How long (in years) will it take for
1. 1 answer
2. 384 views
Suppose you invest your money into an account that pays 4.0% per year compounded quarterly. How long (in years) will it take for
1. 1 answer
2. 414 views
Why is there a centripetal acceleration if the velocity does not increase?a. Velocity changes direction as you move around the
1. 1 answer
2. 417 views
What are some examples of real resistors used in circuits?
1. 1 answer
2. 322 views
Question: When a balloon is rubbed with fur, it becomes negatively charged. Explain why?
1. 0 answers
2. 437 views
A person standing near the edge of a cliff 120 feet above a lake throws a rock upward with an initial speed of 40 feet per
1. 2 answers
2. 1,868 views
A ray of light enters the top of a glass of water at an angle of 36 degrees with the vertical. What is the angle between the
1. 1 answer
2. 2,183 views
A string with a linear density of 0.035 kg/m and a mass of 0.014 kg is clamped at both ends. Under what tension in the string
1. 2 answers
2. 2,753 views
Question: Two strings at different lengths and linear densities are joined together. They are stretched so that the tension in
1. 1 answer
2. 2,131 views
1. A person driving to the right and honks their horn. An observer standing behind the car, opposite its direction of motion
1. 1 answer
2. 608 views
At an initial point on the aggregate demand curve, the price level is 100, and real to GDP is $15trillion. After the price level
1. 0 answers
2. 636 views
Suppose that Congress enacts a lump-sum tax cut of $750 billion. The marginal propensity to consume is equal to .075. Assuming
1. 0 answers
2. 483 views
In recent years, the Internet auction firm eBay has sougth to make its auction technology the favorite of software programmers,
1. 0 answers
2. 620 views
I need a complete list all the doppler effect equations for a beginner physics class. Here is a sample questions so you know the
1. 2 answers
2. 742 views
Can you help me solve this please?31%=1-600/Q Answer: 869.6 But in don't know how to get to the answer
1. 1 answer
2. 275 views
1. Water with a mass of 2kg is held at constant volume in a pressure cooker. 10,000 J of energy is added from the heater inside
1. 1 answer
2. 1,139 views
Determine whether 14 is a solution of the equation 6(x - 2)= 70
1. 1 answer
2. 465 views
1. How much energy is required to be removed to lower the temperature of a bottle of drinking water (280mL) from 22°C to 4°C?
1. 0 answers
2. 624 views
Can you explain why teachers who wish to promote a developmentally appropriate science education program must be knowledgeable
1. 1 answer
2. 480 views
Why is science an integral part of the play-centered curriculum?
1. 1 answer
2. 398 views
What is the goal of early childhood science education?
1. 1 answer
2. 512 views
What is an example of play that relates to a curriculum standard in mathematics?
1. 2 answers
2. 388 views
What is the equation for total energy (TE)?
1. 1 answer
2. 346 views
1. if a 0.05kg coin is hanging from 22m above the ground:a. If you drop it, how fast will the coin be moving halfway to the
1. 2 answers
2. 537 views
A 30kg block sits on a ramp, with Θ=47. The ramp is 13m off the ground at the tallest point. If the block slides in the
1. 2 answers
2. 599 views
A winch with a power rating of 400 W lifts a 200kg object off the ground at a constant velocity for 17 seconds. How high was the
1. 2 answers
2. 576 views
Question: A car is on a ramp 100m from the bottom of the ramp (angle of incline=30 degrees):a. If the potential energy of the
1. 1 answer
2. 823 views
Question:A 0.200kg ball moves with a velocity of 0.3m/s. It collides with a second ball that is at rest and has a mass of 0.1kg.
1. 0 answers
2. 497 views
1. A 0.75kg ball traveling horizontally to the right at 20m/s. A player strikes the ball and causes it to move in the opposite
1. 1 answer
2. 638 views
A cart of apples is rolling toward you in the street. It’s velocity is 2m/s. Its total mass is 50kg. You are running toward
1. 1 answer
2. 525 views
1. A 38kg object is traveling down the ramp and experiences a frictional force of 180N. Calculate the angle of incline and the
1. 2 answers
2. 502 views
How can I find kinetic friction (Fk) without mu? I know the normal force which is 201N. The mass of the object is 30kg.This is
1. 1 answer
2. 1,515 views
1. If a 30kg object experiences a normal force of 210N when traveling down a ramp, what is the angle of incline? Also, calculate
1. 1 answer
2. 471 views
1. If a 500N person is skiing on a slope with an angle of incline of 67 degrees and there was a friction coefficient of 0.19,
1. 1 answer
2. 433 views
Can you please identify the adverbs and adjectives in the following paragraph.Having credit cards could get some people into
1. 2 answers
2. 667 views
Differentiate the following function?g(x)=x^2=1/x^2-1
1. 0 answers
2. 397 views
Translate this equasion 2 units left and 4 units up: 9x^2+ 3x+ 10= 16y^2+ 154+ 3xplease show me all of the steps. thank you
1. 1 answer
2. 453 views
A 15.5 mL sample of 0.215 M KOH solution requires 21.2 mL of acetic acid in a titration experiment. Calculate the molarity of
1. 2 answers
2. 3,658 views
If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the
1. 3 answers
2. 2,577 views
Determine whether -4 is a solution of the inequalityx>-4 Is -4 a solution?
1. 1 answer
2. 537 views
The business I choose to do my SWOT Analysis on is Infinite learning Childcare Center. The five resources I used to obtain my
1. 2 answers
2. 558 views
HiTheres this cartoon, it says: Kulak je nejzavilejsi nepritel socialismu. It shows a small fat man lifting up the cheek of a
1. 2 answers
2. 592 views
HeyHow do I convert 1224.78m squared into mm squared?
1. 2 answers
2. 413 views
Hey!Kayz, so regarding the stance 'that the US should remove political, social and economic support from dictatorships'. So far
1. 0 answers
2. 432 views
Data:freezing point of pure cyclohexane: 6.0 degrees celcius Freezing point of unknown soluton: 1.6 degrees celcius weight of
1. 1 answer
2. 875 views
Given:1. Mass of oxalic acid + weighing paper 2.0355g 2. Mass of weighing paper 0.5219 g 3.volume of oxalic acid solution 250 mL
1. 0 answers
2. 668 views
How many grams of CaCl2 would be required to be added to water to prepare 1liter (1000ml) of a 1.72% (w/v) aqueous solution of
1. 0 answers
2. 603 views
Find the area bounded by the curve and the linesy = -x^2 - 4x; y = 1; x = -3; x = 1
1. 0 answers
2. 433 views
Explain why the vertices of a solution region are important when using linear systems of inequalities for optimization problems
1. 0 answers
2. 548 views
A round 12-inch woofer is mounted to the bottom of a rectangular speaker enclosure with an inner width measurement of 12 inches.
1. 0 answers
2. 304 views
What is the distibutive property to multiply using this equation?12(u+v)
1. 1 answer
2. 521 views
In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the
1. 1 answer
2. 886 views
In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the
1. 0 answers
2. 435 views
find mass of 2.7 grams of aluminum if mass is 1 cubic meters
1. 2 answers
2. 425 views
Sketch the graph of a function f that satisfies all the following conditions.(a) f(0)=0,f'=1 (b) f''(x)>0 for x<0, f''<0 for x>0
1. 0 answers
2. 1,015 views
Find the vertical and horizontal asymtotes of y=1/x^2+6x+9
1. 0 answers
2. 296 views
find the intervals on which the curve y=x/(x+1)^2 is concave upward or concave downward.
1. 0 answers
2. 431 views
Rchel has 14 red, 9 blue, and one yellow towel. In haw many ways can the towels be arranged if the towels of the same colour
1. 3 answers
2. 441 views
The electron in a hydrogen atom is excited and makes a transition from n=2 to n=7a. calculate the energy of the photon absorbed
1. 1 answer
2. 898 views
what occurs during the reaction below4Hcl+MnO2-->MnCl2+2H2O+Cl2 1.the manganese is reduced and its oxidation number changes from
1. 3 answers
2. 5,066 views
the world health organization's center of aids research is planning to write a report on aids infection among drug users all of
1. 0 answers
2. 529 views
compound x C29H48BrCl reacts with excess H2/pd to give C29H56BrCl. How many double bonds and how many rings are in X?
1. 0 answers
2. 461 views
CH3C (triple bond) CH1.BH3, THF ----> 2.H2O2, -OH ---> Na, NH3----> 1.Hg(OAc)2,H2O--->
1. 0 answers
2. 975 views
How do I properly site sources on my research paper?
1. 3 answers
2. 577 views
Consider the solid obtained by rotating the region bounded by the given curves about the x-axis.y = 9 - 9x^2 , y = 0 Find the
1. 1 answer
2. 4,537 views
There are 256 students in this outstanding 7th grade class. How many scoops of ice cream would have to be used in each cone in
1. 3 answers
2. 570 views

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