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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
1 answer
2,916 views
1: how does someone become a member of the supreme court?(1 point)
> by popular election and senate approval*** >by judicial
11 answers
4,303 views
HELP PLZ!!!!!!
On Friday nights the local diner serves three main entrées, each with a choice of vegetable. The entrées are
36 answers
5,189 views
Which issue has most contributed to conflicts in Bosnia since the 1990s?
A. The end of communism B. Ethnic differences C.
4 answers
582 views
"Their flag to April's breeze unfurled ...."
What's the symbol? And what does it represent? HELP
2 answers
2,012 views
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things
0 answers
605 views
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things
0 answers
626 views
sometimes in french
1 answer
305 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
2 answers
2,436 views
how can i compare with with the Poem brothers by andrew and nettles with Of Mice and men
similarties between them
1 answer
568 views
how can I compare with poem nettles and of mice and men
1 answer
435 views
On the seventh day of Statistics, my teacher gave to me --- seven swans a-swimming. But can they swim faster than American
1 answer
598 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
0 answers
860 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
513 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
821 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
0 answers
541 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
2 answers
1,085 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
6,485 views
The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected
1 answer
1,849 views
The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected
1 answer
1,387 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
1 answer
982 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.
0 answers
688 views
Monohybrid Cross - crossing one single
Trait to _______? Answer: two alleles
0 answers
425 views
Dominant - an organism with the dominant allele
For a trait _________? Answer: that produces the same phenotype Recessive - an
1 answer
556 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
0 answers
683 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,
0 answers
463 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
0 answers
456 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,
0 answers
434 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
1 answer
7,385 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
1 answer
867 views
if 1/2 times 3/4 is 3/8 why is it less than 3/4?
2 answers
325 views
Which statement best expresses a central theme of the story teller?
A. People with no children to care for are usually better at
1 answer
881 views
How do you expand and simplify (x-2)(x+2)?
1 answer
488 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
348 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
3 answers
1,367 views
If the investment rises from $1000 to $5000, the percent is what from the original?
7 answers
406 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
430 views
Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in
0 answers
537 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
0 answers
846 views
If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM.
P----------------Q |\ /| | \ / | | \ / | | \ / |
3 answers
868 views
Of the parts produced by a particular machine, 1.5% are defective. If a random sample of 11 parts produced by this machine
1 answer
1,566 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,
2 answers
651 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
2 answers
3,842 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
3 answers
7,785 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
1 answer
7,067 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
4 answers
621 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
1 answer
634 views
Using several bags filled with different amounts of the same item, take the mass of each and develop a procedure to determine
0 answers
590 views
I need help devloping a procedure: Using several bags filled with different amounts of the same item, take the mass of each and
0 answers
530 views
A singly charged positive ion has a mass of 5.2x10^-27 kg. After being accelerated from rest through a potential difference of
1 answer
782 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
1 answer
757 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
0 answers
636 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
1 answer
716 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
0 answers
728 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
3 answers
801 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
0 answers
428 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
1 answer
847 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
1 answer
1,957 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
1 answer
797 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
1 answer
672 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
1 answer
3,680 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
3 answers
5,016 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
0 answers
715 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
1 answer
1,348 views
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.
Differences: 24, 53,
0 answers
1,066 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
1 answer
664 views
How many grams of C are required to make 464.99 grams of this compound?
compound= C3H8
1 answer
1,007 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
0 answers
332 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;
0 answers
758 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
557 views
Vector Aarrowbold points in the negative y direction and has a magnitude of 8 units. Vector Barrowbold has the same the
1 answer
529 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
1 answer
2,258 views
In audition for school play, 70% passed the quality of the jurors for the first week. of those remaining, 20% were chosen. if
2 answers
1,115 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
0 answers
1,167 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.
2 answers
476 views
factor fully:
x^3 + x^2 - 7x + 2 give n that x=2 is a root
0 answers
324 views
When both parents believe that men are capable of nurturing infants
a. mothers devote time to caregiving b. fathers devote less
5 answers
796 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
8,725 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
1 answer
673 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
369 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
1 answer
924 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,
3 answers
1,394 views
Analyze the collision of a baseball with a bat. During which portion of the collision does the baseball’s
velocity reach zero?
3 answers
1,418 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
5 answers
2,196 views
A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given
downward momentum? a. the
5 answers
2,121 views
A 0.140-kg baseball is pitched horizontally at 36.7 m/s. When a player hits the ball, it moves at the
same speed, but in the
3 answers
1,221 views
Candona strikes a 0.055-kg golf ball with a force of 260 N. If the ball moves with a velocity of 65 m/s,
calculate the time the
3 answers
1,972 views
A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a speed of 3.00 x 10^4 m/s. What is the force
exerted on the rocket?
4 answers
1,878 views
A lump of clay with a mass of 5.0 ! 10-2 kg is thrown toward a wall with a velocity of 3.0 m/s. The
clay bounces off the wall
2 answers
3,098 views
A 727 jet needs to attain a speed of 200 mph to take off. If it can accelerate from 0 to 200 mph in 30 seconds, how long must
1 answer
2,522 views
e.) 22, 344,579.06
a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form
1 answer
406 views
e.) 22, 344,579.06
a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form
1 answer
423 views
A 280 electric motor is 90% efficient, meaning that 90% of the energy supplied to it ends up as mechanical work.
If the motor
1 answer
858 views
A subway train is designed with a maximum acceleration of ±0.637 m/s2 , which allows for both passenger safety and comfort.
(a)
1 answer
726 views
A Styrofoam ball of radius 60 cm falls with a terminal velocity of 8.65 m/s. What is the mass of the ball?
1 answer
636 views
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in
1 answer
777 views
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in
1 answer
714 views
Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure
2 answers
949 views
Consider the following list of premises:
a ^ :b ! c; :a ! :d; Show that g is a valid conclusion by constructing a step-by-step
0 answers
772 views
The profit made when t units are sold, t>0, is given P=t²-36t+320. Determine the number of units to be sold in order for P>0 (a
2 answers
851 views
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