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Questions (766)
A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given
downward momentum? a. the
6 answers
2,014 views
Which conditions will result in the smallest change in momentum?
a. a large force over a long time period b. a large force over a
6 answers
2,075 views
Analyze the collision of a baseball with a bat. During which portion of the collision does the baseball’s
velocity reach zero?
4 answers
1,307 views
A 6110-kg bus traveling at 20.0 m/s can be stopped in 24.0 s by gently applying the brakes. If the
driver slams on the brakes,
4 answers
1,262 views
The moment of inertia of an asteroid rotating about its own axis is 5.00 ! 10 4 kg"m2. Its angular
velocity is 40.0 rad/s. If a
3 answers
801 views
Please help me find the answer to this problem. it would be nice to have the details to how you came by the answer:
Radical of
1 answer
308 views
Please help. I can't get this problem at all.
When two bubbles cling together in midair their common surface is part of a sphere
3 answers
571 views
A 32.2 g iron rod, initially at 22.3 C, is submerged into an unknown mass of water at 63.9 C, in an insulated container. The
7 answers
8,589 views
When both parents believe that men are capable of nurturing infants
a. mothers devote time to caregiving b. fathers devote less
6 answers
678 views
factor fully:
x^3 + x^2 - 7x + 2 give n that x=2 is a root
1 answer
280 views
how to tell the difference between a negative number raised to a power and the opposite of a positive number raised to a power.
3 answers
398 views
A local fire station receives an average of 0.5 rescue calls per day. Find the probability that on a randomly selected day, the
1 answer
1,063 views
In audition for school play, 70% passed the quality of the jurors for the first week. of those remaining, 20% were chosen. if
3 answers
1,053 views
Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 times 10 to the -2 mM, 7.16 times 10
4 answers
2,137 views
Vector Aarrowbold points in the negative y direction and has a magnitude of 8 units. Vector Barrowbold has the same the
1 answer
448 views
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.1 m/s at an
1 answer
474 views
Snowballs are thrown with a speed of 12.5 m/s from a roof 7.8 m above the ground. Snowball A is thrown straight downward;
1 answer
637 views
why isnt anybody answering my questiions? do u have to have an account or something? if you do just tell me and ill get one!!!1
1 answer
285 views
How many grams of C are required to make 464.99 grams of this compound?
compound= C3H8
2 answers
923 views
A 0.01020 mg sample of an unknown compound was found to contain 0.0084 mg of C, and 0.0018 mg of H. It was also determined that
2 answers
529 views
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.
Differences: 24, 53,
1 answer
984 views
The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a
2 answers
1,242 views
After 6.00 kg of water at 80.4 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach
2 answers
629 views
A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is
5 answers
4,860 views
A particle travels along a straight line with a velocity v=(12-3t^2) m/s, when t is in seconds. When t=1s, the particle is
3 answers
3,544 views
A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is
2 answers
588 views
The 10-lb has an initial velocity of 10ft/s on the smooth plane. If a force F=(2.5t), where t is in seconds, acts on the block
2 answers
710 views
The 10-lb has an initial velocity of 10ft/s on the smooth plane. If a force F=(2.5t), where t is in seconds, acts on the block
3 answers
1,846 views
A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The
2 answers
740 views
a baseball team has 15 members, 3 of whom always play and bat at the top of the batting order. For the game Sunday, the starting
1 answer
338 views
What mass (in grams) of steam at 100°C must be mixed with 446 g of ice at its melting point, in a thermally insulated
4 answers
694 views
A golf ball (m=0.46g is struck by a club on a 50 deg. angle over 7ms. If the bll lands 200 m away, what is the force delivered
1 answer
674 views
A small block of mass 0.5 kg is released from rest at the top of a ramp of mass 3 kg that sits on a frictionless horizonal
2 answers
609 views
A small 8.00g metal ball is suspended by a 14.0cm long string in a uniform electric field of 1200 N/C [right] (like in question
2 answers
525 views
An electron in a television CRT moves toward the front of the tube with a speed of 7.5x10^6 m/s. A magnetic field of 0.04T (on a
2 answers
656 views
A singly charged positive ion has a mass of 5.2x10^-27 kg. After being accelerated from rest through a potential difference of
2 answers
684 views
I need help devloping a procedure: Using several bags filled with different amounts of the same item, take the mass of each and
1 answer
419 views
Using several bags filled with different amounts of the same item, take the mass of each and develop a procedure to determine
2 answers
528 views
how do Huck and Jim feel about the sanctuary of the raft and how do they feel about the violence and shame of the shore? I have
2 answers
554 views
I have a graph with a parabola on it and asked to write the function for f(x) in standard form.
I know that standard is
5 answers
529 views
You are a member of an alpine rescue team and must get a box of supplies, with mass 3.00kg , up an incline of constant slope
4 answers
6,914 views
Two workhorses tow a barge along a straight canal. Each horse exerts a constant force of magnitude F, and the tow ropes make an
4 answers
7,673 views
A pump lifts 200kg of water per hour a height of 6.0m .
Part A What is the minimum necessary power output rating of the water
4 answers
3,719 views
How much power must you exert to horizontally drag a 21.0kg table 15.0m across a brick floor in 20.0s at constant velocity,
3 answers
576 views
Of the parts produced by a particular machine, 1.5% are defective. If a random sample of 11 parts produced by this machine
3 answers
1,434 views
If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM.
P----------------Q |\ /| | \ / | | \ / | | \ / |
4 answers
765 views
A 14g bullet is traveling at 306m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing
1 answer
750 views
Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in
1 answer
458 views
Solve. (If there is no solution, enter NO SOLUTION.)
y= x^2-x-4 y=x+4 (x, y) = ( , ) (smaller x-value) (x, y) = ( , ) (larger
1 answer
363 views
If the investment rises from $1000 to $5000, the percent is what from the original?
7 answers
327 views
After Michael 110 baseball cards to Sally and 75 to Heidi, he still has 315 left. What percent of his cards did Michael give
4 answers
1,270 views
When an object travelling at 12.7 m/s [E] speeds up to a velocity of 21.5 m/s [E] in 3.45 s, the magnitude of the acceleration
1 answer
289 views
How do you expand and simplify (x-2)(x+2)?
1 answer
417 views
Which statement best expresses a central theme of the story teller?
A. People with no children to care for are usually better at
2 answers
768 views
if 1/2 times 3/4 is 3/8 why is it less than 3/4?
3 answers
282 views
give 2 examples of mixed numbers that when multiplied by 3/4 give a product between 3/4 and 1 PLEASE HELP ME AND QUICK I HAVE A
2 answers
744 views
an athlete stretches a spring an extra 40.0 cm. how much energy has he transferred to the spring, if the spring constant is
4 answers
7,302 views
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid,
1 answer
347 views
Describe how you would prepare t-butyl-n-butyl ether. assume you are working on a 1 M scale. what reagents would you use? What
1 answer
380 views
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid,
1 answer
394 views
Silver pellets with a mass of 1.0 g and a temperature of 85°C are added to 200 g of water at 18°C. How many pellets must be
1 answer
615 views
Dominant - an organism with the dominant allele
For a trait _________? Answer: that produces the same phenotype Recessive - an
1 answer
474 views
Monohybrid Cross - crossing one single
Trait to _______? Answer: two alleles
1 answer
366 views
Jody checked the temperature 12 times on Monday, and the last digit of the temperature was odd six times more than it was even.
2 answers
580 views
Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this
2 answers
883 views
The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected
2 answers
1,246 views
The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected
3 answers
1,713 views
Determine which function has the greater rate of change
1.The rates of change are equal. 2.The graph has a greater rate of
23 answers
6,301 views
I NEED HELP
-5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what
4 answers
993 views
This part I have:
1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of
1 answer
469 views
An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a
2 answers
725 views
An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a
1 answer
434 views
This part I have:
1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of
1 answer
781 views
On the seventh day of Statistics, my teacher gave to me --- seven swans a-swimming. But can they swim faster than American
2 answers
509 views
how can I compare with poem nettles and of mice and men
1 answer
380 views
how can i compare with with the Poem brothers by andrew and nettles with Of Mice and men
similarties between them
2 answers
483 views
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
x y 8 28 16 56 20
4 answers
2,296 views
sometimes in french
1 answer
257 views
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things
1 answer
512 views
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things
1 answer
494 views
"Their flag to April's breeze unfurled ...."
What's the symbol? And what does it represent? HELP
4 answers
1,915 views
Which issue has most contributed to conflicts in Bosnia since the 1990s?
A. The end of communism B. Ethnic differences C.
5 answers
500 views
HELP PLZ!!!!!!
On Friday nights the local diner serves three main entrées, each with a choice of vegetable. The entrées are
36 answers
5,034 views
1: how does someone become a member of the supreme court?(1 point)
> by popular election and senate approval*** >by judicial
11 answers
4,188 views
An airplane touches down at a speed of 55.0 m/s on a runway that is 600 m long. The plane can decelerate at a uniform rate of
4 answers
2,792 views
Please check all of my answers and tell me if they are right.
1. What is the simplified form of the following expression? 7m^2 +
5 answers
6,190 views
which is the best paraphrase of these lines from "January"?
Fat Snowy Footsteps Track the floor, A)Thick, snowy footprints show
4 answers
1,587 views
Find the volume of the given solid.
Enclosed by the paraboloid z = 6x2 + 2y2 and the planes x = 0, y = 4, y = x, z = 0
1 answer
933 views
file:///C:/Users/abuab/Downloads/1MA0_1H_que_20160526%20(1).pdf
question 19 what is it called? and how do you work it out
1 answer
505 views
9. What effect did the capture of Fort Ticonderoga have on the fighting in Boston between the American colonials and the
9 answers
1,214 views
Find center of mass of the lamina that occupies the region D and has the given density function ρ.
D is the triangular region
2 answers
568 views
1. Write an essay in which you analyze the importance of plot events and characters’ actions to
the
12 answers
1,137 views
You row a boat perpendicular to the shore of a river that flows at 2.5 m/s. The velocity of your boat is 4.5 m/s relative to the
4 answers
1,747 views
Which of the following set of terms could be used in a description of the peripheral nervous system?
A)motor neurons and sensory
2 answers
610 views
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each
3 answers
699 views
A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint
3 answers
487 views
A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint
3 answers
457 views
Which metric unit is most suitable for measuring the distance between two cities?
2 answers
6,876 views
WHAT WAS THE AMERICAN SMALL TOWN LIKE?
I'm glad I was born soon enough to have seen the American small town, if not at its
12 answers
3,279 views
which constitutional issue was president lincoln addressing in this excerpt?
4 answers
1,321 views
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