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Rachel
Questions (979)
A block of mass m is dropped onto a relaxed spring constant k. The block becomes attached to the spring and compresses the
0 answers
1,378 views
A proton (mass m = 1.67 10-27 kg) is being accelerated along a straight line at 3.1 1015 m/s2 in a machine. The proton has an
1 answer
702 views
A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and
0 answers
1,006 views
Use the Laws of logarithms to rewrite the expression log(base 2)(11x(x-9))
in a form with no logarithm of a product, quotient or
0 answers
820 views
Use the Laws of logarithms to rewrite the expression ln(x^3 sqrt(y^4/z^10))
in a form with no logarithm of a product, quotient or
1 answer
1,535 views
In Figure 5-66, a force F of magnitude 13 N is applied to a FedEx box of mass m2 = 1.0 kg. The force is directed up a plane
1 answer
1,111 views
n the figure below, the coefficient of kinetic friction between the block and inclined plane is 0.18 and angle θ = 55°. What
0 answers
665 views
Calculate the magnitude of the drag force on a missile 63 cm in diameter cruising at 220 m/s at low altitude, where the density
0 answers
1,006 views
Evaluate the expression: log(base4)4^6
1 answer
429 views
A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and
0 answers
522 views
A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the
1 answer
6,507 views
A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and
0 answers
600 views
Find the exponential function f(x)=Ca^x whose graph goes through the points (0,3) and (2,12).
1 answer
6,212 views
A rifle is aimed horizontally at a target 31 m away. The bullet hits the target 1.3 cm below the aiming point. Neglect air
2 answers
963 views
A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0,
2 answers
898 views
A ball is shot from the ground into the air. At a height of 9.1 m, the velocity is observed to be v = (6.6 + 5.7 ) m/s, with
3 answers
4,494 views
A centripetal-acceleration addict rides in uniform circular motion with period T = 4.30 s and radius r = 3.00 m. At one instant
1 answer
900 views
In the figure below, a stone is projected at a cliff of height h with an initial speed of 46.0 m/s directed 60.0° above the
1 answer
939 views
A small ball rolls horizontally off the edge of a tabletop of height h. It strikes the floor a distance x horizontally away from
1 answer
3,210 views
Peanuts sell for $3.00 per pound. Cashews sell for $6.00 per pound. How many pounds of cashews should be mixed with 12 pounds of
3 answers
1,042 views
An object falls off a 400-foot tower. With g=32ft/sec^2, as at the Earth’s surface, the object would hit the ground after 5
1 answer
553 views
An object thrown in the air on a planet in a distant galaxy is at height
s(t) = -20t^2 +67t +42 feet at time t seconds after it
1 answer
963 views
If a car goes from 0 to 100 mph in six seconds with constant acceleration, what is that acceleration?
1 answer
721 views
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. find acceleration, velocity, and height of tomato at
1 answer
1,196 views
A person walks in the following pattern: 2.8 km north, then 2.7 km west, and finally 6.9 km south. Construct the vector diagram
0 answers
607 views
Vector A has a magnitude of 5.00 units, vector B has a magnitude of 9.00 units, and the dot product A·B has a value of 42. What
2 answers
769 views
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. Take the acceleration of gravity be equal to 9.8
1 answer
2,581 views
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. Take the acceleration of gravity be equal to 9.8
0 answers
564 views
At a certain time a particle had a speed of 17 m/s in the positive x direction, and 2.0 s later its speed was 32 m/s in the
0 answers
389 views
At a certain time a particle had a speed of 17 m/s in the positive x direction, and 2.0 s later its speed was 32 m/s in the
0 answers
407 views
Using only measurements from the ground, determine the air speed of a passenger jet flying over the university.
What methods
0 answers
488 views
Two forces are pushing an ice shanty along the Ice. One has a magnitude of 330 lb in a direction due east. The other force has a
1 answer
1,261 views
How do you find the domain and range from y=3x^3+4x^2-5?
1 answer
329 views
How do you find the domain and range from y=3x^3+4x^2-5?
1 answer
325 views
to most effectively increase its percentage of the labor force in the 1990s, the union movement should increase its appeal to:
2 answers
461 views
x=1 y=2
x=2 y=6 x=3 y=18 x=4 y=54 What is the rule?
1 answer
342 views
Why do you think the Muslims were not able to conquer most of that continent??
17 answers
2,608 views
How might the location of the Arabian peninsula have contributed to the rapid spread of Islam??
8 answers
2,177 views
I'm not sure how to deal with this problem (we're just starting the unit)...
I need to find the average voltage induced into a
0 answers
568 views
triangle ABC is isosceles, with AB=AC=15cm , and m<A = 150. What is the exact length of BC without using trigonmetry?
1 answer
408 views
What is sin(cos^-1 a) when 0 < cos^-1 a < 90
4 answers
403 views
Why is it that if deceleration is doubled, distance is halved?
1 answer
404 views
Trapezoid WERI has legs WI and ER.
If WERI is isosceles and if m<I= 110, find m<W, m<R, and m<E. How are you suppose to find the
0 answers
511 views
What are 3/8, 5/6, and 1/2 in order from least to greatest.
4 answers
1,024 views
Does it make a difference whether you translate a graph first and the scale the image, or scale the graph first and then
1 answer
358 views
Hinduism evovle form the beliefs and practices of the ________, an early Indian society.
1 answer
678 views
Like Judaism, Christianity, and Islam,both Hinduism an Buddhism got their starts on the continent of ________.
1 answer
443 views
In India, the birthplace of Buddhism, curiously, Buddhism all but vanished, as it was ___________.
1 answer
493 views
Generally peasants and the lower castes had a more positive reaction to the teachings of the Buddha, since Buddhists did not
2 answers
385 views
The Middle Way charted a course between the extremes of the worldliness of Hinduism as some practiced it, and the _________
1 answer
396 views
Rick's 76ft times 50ft house sits on a plot of land as shown in the diagram below. If 1 bag of lawn food covers 5000 ft squared
0 answers
451 views
A concave mirror is constructed so that a man at a distance of 19 cm from the mirror sees his image magnified 2.0 times. What is
1 answer
665 views
what could i use to determine the probability that i will get at least 8 of 15 true or false questions right?
0 answers
327 views
Janet jumps off a high diving platform with
a horizontal velocity of 2.11 m/s and lands in the water 2.6 s later. How high is the
1 answer
881 views
I have 1500 dollars in year 2010 in what year would i reach 2000 dollars at 4% interest?
2 answers
343 views
A piling supporting a bridge sits so that 1/4 of the piling is in the sand, 150 feet is in the water, and 3/5 of the piling is
1 answer
1,388 views
As a realtor, you earn 7% of the sale price. The owners have the house listed for $150,000 and will entertain offers within 10%
1 answer
489 views
Write a 1,000-word report on two different ways that you, as a young citizen, can become active in politics that would help
4 answers
670 views
Gretchen bought a sweater for $23.89. In addition, she had to pay $1.43 in sales tax. She gave the sales clerk $30. How much
2 answers
564 views
This is the situation I have been given:
You are given three capacitors, one with a capacitance of 0.025 micro-farads, another
1 answer
609 views
* If 13.3 kilograms of Al2O3(s), 58.4 kilograms of NaOH(l), and 58.4 kilograms of HF(g) react completely, how many kilograms of
5 answers
4,132 views
Is citric acid stronger than tartaric acid?
1 answer
1,268 views
A jet flies from Atlanta to Dubuque a distance of 900 miles. After traveling the same amount of time on the return flight,the
1 answer
1,188 views
What is the hybridization of phosphorous in a P4 molecule
4 answers
2,196 views
Find the coordinate of the midpoint of a segment with the endpoints at –9 and 6.
A.1.5 B.–1.5 C.2 D.–3
1 answer
547 views
After 1.78 years, 1.990 g of a radioisotope remains from a sample that had an original mass of 2.000 g.
Calculate the half-life
1 answer
508 views
I need major help with this please!!!
On a safari, a team of naturalists sets out toward a research station located 6.9 km away
0 answers
816 views
The management of a private investment club has a fund of $114,000 earmarked for investment in stocks. To arrive at an
3 answers
2,790 views
A driver in a car traveling at a speed of 67 km/h sees a cat 104 m away on the road.
How long will it take for the car to
0 answers
531 views
Container A and B both container the same kind of liquid. Container A has a volume of 5 mL and Container B has a volume of 8 mL.
1 answer
704 views
Members of the west high school band were hard at work practicing for the annual homecoming parade.First they tried marching in
2 answers
1,233 views
If you are asked to compare two numbers, what two operations might you use? why?
1 answer
365 views
Round each number to the place value indicated by the
digit in bold. a. 3587 the 5 b. 148,213 the 1, in 148 c. 23,785 the 3 d.
1 answer
686 views
Xuan saved $5340 in 3 years. If he saved $95 per month in the first year and a fixed amount per month for the
next 2 years, how
1 answer
682 views
Given that x is a normally distributed random variable with a mean of 60 and a standard deviation of 10, find the P(56 < x <74).
1 answer
694 views
a wholesaler or agent who markets products for companies wanting to do business abroad is called a
a. licensing agent b.
9 answers
1,170 views
Locate the position of a spaceship on the Earth-Moon center line such that, at that point, the tug of each celestial body
1 answer
533 views
Three very small spheres of mass 3.00 kg, 5.00 kg, and 3.00 kg are located on a straight line in space away from everything
0 answers
418 views
A 25 N book sits on a table. What is the magnitude of the normal force the table exerts on the book?
2 answers
1,871 views
The equation (x + 6)^2 + (y + 4)^2 = 36 models the position and range of the source of a radio signal. Describe the position of
22 answers
13,205 views
write the equation of the circle in standard form. find the center, radius, intercepts, and graph the circle.
1 answer
595 views
A particle travels counterclockwise around the origin at constant speed in a circular path that has a diameter of 2.50 m, going
0 answers
474 views
A particle travels counterclockwise around the origin at constant speed in a circular path that has a diameter of 2.50 m, going
1 answer
629 views
Find the distance between the given points.
(2, 7, −10) and (11, 4, 0)
1 answer
430 views
A gardener wants the three rosebushes in her garden to be watered by a rotating water sprinkler. The gardener draws a diagram of
17 answers
11,878 views
A dead tree was struck by lightning, causing it to fall over at a point 10 ft up from the base of the tree.
If the fall treetop
3 answers
1,526 views
5+(-5/2)+(5/4)
Sn=189 Find n for the given sum if the geometric series
1 answer
495 views
Write the series with summation notation
3+9+19+33+51+73 I'm not sure what the equation would be. Would this situation have two
1 answer
652 views
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100
1 answer
680 views
please i need help with this question.
Initailly at rest, a car (mass=1300kg) accelerates north from a set of traffic lights at a
1 answer
624 views
What types of cost information are reported to support managerial purposes and decisions?
Describe 2 major categories of purposes
1 answer
511 views
Sam, whose mass is 82 {\rm kg}, takes off across level snow on his jet-powered skis. The skis have a thrust of 240 {\rm N} and a
0 answers
665 views
A coffee company wants to make sure that there coffee is being served at the right temperature. If it is too hot, the customers
2 answers
1,416 views
how do I balance the following skeleton redox equation for a reaction occurring in acidic solution. HNO2 + MnO4- yield to Mn2+ +
2 answers
3,970 views
A base has a Kb of 2.5 x 10–11. Which of the following statements is true?
This is a concentrated base. This base ionizes
1 answer
3,057 views
what is the prime factorization of 63?
1 answer
402 views
compare and contrast contributory negligence with comparative negligence.
3 answers
519 views
A firm has an opportunity to invest in a new device that will replace two of the
firm’s older machines. The new device costs
1 answer
731 views
A 1 kh pendulum os pulled sideways so that it is raised a vertical distance of 2 m above it's resting point. Find the max. Speed
0 answers
554 views
2x+y=12
3x-y=13 Please help me solve the system of equation and show your work.
1 answer
475 views
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