Ask a New Question
Search
Questions and answers by
ajo
Questions (32)
A device is designed to measure the speed of a bullet. The device consists of two rotating disks, separated by a distance of
2 answers
801 views
Explain how each of the following government policies encouraged business development: railroad subsidies; tariffs.
I don't
1 answer
644 views
A water slide is constructed so that swimmers, starting from rest at the top of the slide leave the end of the slide traveling
1 answer
7,284 views
At the end of the semester, you are loading your gear into a van to go home. In loading the van, you can either lift a 45.0-kg
1 answer
1,751 views
At the end of the semester, you are loading your gear into a van to go home. In loading the van, you can either lift a 45.0-kg
2 answers
807 views
A bicyclist rides 5.0km due east, while the resistive force from the air has a magnitude of 3.0N and points due west. The rider
2 answers
2,600 views
A 1200-kg car is being driven up a 5.0degrees hill. The frictional force is directed opposite to the motion of the car and has a
1 answer
4,982 views
Many historians have claimed that geography has been very generous to the United States. How does the climate be generous to the
3 answers
519 views
A satellite has a mass of 5850kg and is in a circular orbit 4.1*10^5m above the surface of a planet. The period of the orbit is
1 answer
1,355 views
A crate is resting on the bed of a moving truck. the coefficient of static friction between the crate and the truck bed is 0.40.
2 answers
2,358 views
a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic
5 answers
4,880 views
a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic
2 answers
1,538 views
given:
f(x)=x^2 g(x)=2^x find: g^-1(f(3))to the nearest tenth can any one please explain to me how to find the inverse of g of f
2 answers
519 views
can anyone please explain to me how come x=pi can't not represent a function?
1 answer
551 views
an airplane has a mass of 3.1*10^4kg and takes off under the influence of a constant net force of 3.7*10^4N. what is the net
1 answer
1,545 views
a coast guard ship is traveling at a constant velocity of 4.20m/s, due east, relative to the water. on his radar screen the
2 answers
1,676 views
How would a poor white react to the Nat Turner rebellion???
3 answers
604 views
Why do you think some investors choose to buy index options?
0 answers
367 views
The earth moves around the sun in a nearly circular orbit of radius 1.50*10^11m. During the three summer months (an elapsed time
1 answer
1,323 views
In a mall, a shopper rides up an escalator between floors. at the top of the escalator, the shopper turns right and walks 9.00m
3 answers
3,642 views
Sergio bought 250 shares of Silicon Acme @ 20 through his margin account. Then the stock plummets to $7.50 a share. Calculate
0 answers
395 views
why are the presidential cabinet and political parties called part of the unwritten constitution?
1 answer
570 views
Elastic Clause: To make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all
1 answer
781 views
Why does it take more states to ratify an amendment than to propose one?
1 answer
424 views
A spelunker drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone striking the
3 answers
2,397 views
A wrecking ball is hanging at rest from a crane when suddenly the cable breaks. The time it takes for the ball to fail halfway
7 answers
4,665 views
what is a widow's walk?
I am trying to explain this metaphor's meaning in the book, but I don't understand this term. Can any one
1 answer
420 views
[(x-9)/(x^2-9)]-[(1)/(x+3)]
I got (6-x)/(x+3) for answer. [(2)/(y-3)]+[£¨4£©/(3-y)] I got (-2)/(y-3) for answer. I'm not sure
2 answers
477 views
[(x-9)/(x^2-9)]-[(1)/(x+3)]
I got (6-x)/(x+3) for answer. [(2)/(y-3)]+[£¨4£©/(3-y)] I got (-2)/(y-3) for answer. I'm not sure
0 answers
951 views
A stone is observed falling past a small window 1 meter tall in 0.2 seconds. how fast is it moving as it passes the bottom of
3 answers
754 views
a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0m/s. the car is a distance
1 answer
655 views
A force vector F1 points due east and has a magnitude of 200 newtons. A second force F2 is added to F1. The resultant of the two
1 answer
3,175 views
Answers (10)
i don't understand...this part: the potential energy change was 2646 sin A - 485 This equals the potential energy change with method 1, or 1323 sin A. Therefore 2646 sin A -485 = 1323 sin A 485 = 1323 sin A can you please explain it in details£¿
so what do you mean by 0.1g?
i don't understand how you get this part..a = F/M = 0.1 g = 0.98 m/s^2
what is "ln x/ln 2"???????
why do the poor whites still want to own slaves if the slaves rebelled and killed their slaveholders?
how do you know 16m,9m, and E forms a right triangle?
i still don't get where did you get the 16...
where did you get the 16? The final answer should equal to 1.7s.
I did mutiply the second term by (x-3)/(x-3), but when I simplify it, I got mess up.
Following your thinking, I first got Vo=4.02 m/s = the speed at the top of the window then I use the equation:Vf=Vo+gt, so I got Vf=5.981m/s= the speed at the bottom of the window and then I use the equation: Vf^2-Vo^2=2gd, thus I got d=1.82m = the
