# An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed

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1. ### mechanics- physics

An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron to pass through the ...
2. ### mechanics- physics

An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron to pass through the ...
3. ### mechanics- physics

An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron to pass through the ...
4. ### mechanics- physics

An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron to pass through the ...
5. ### Machanics

An electron moving at a speed of 5 multiply by 10 raise to power six m/s was shot through a sheet of paper which is 2.1 multiply by 4cm thick.the electron emerges from the paper with a speed of 2 multiply by 10 raise to power six m/s,find the time taken by the electron to pass...
6. ### college physics

i need solutions for all this problems...help please.... 1.) an electron moving at a speed of 4x10 power of 6 m/s, shot through a sheet of paper which is 3x10 to power of -5 m thick. the electron energyfrom the sheet with with a speed of 2x10 to the power of 6 m/s. find the a...
7. ### mechanics of materials

A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force responsible for the strain given that the material has a Young's modulus of 15GNm raise to the power -2 A 0.003N B 7.5x10 raise to the power 3 C 7.5x 10 raise ...
8. ### MATHS

SIMPLIFY SIN RAISE TO POWER 4 MINUS COS RAISE TO POWER4 DIVIDED BY 1 MINUS 2SIN RAISE TO POWER 2
9. ### government

all the following expressed powers belong to congress EXCEPT a. the power to declare war b. the power to tax imports c. the power to naturalize citizens d. the power to raise an army d.
10. ### schoolcraft college

a student decides to construct a capacitor using two conducting plates 30cm on each side. He seprates the plate with a paper dielectric 2.5 that is 8*10 raise to the power -5 mmerters thick. What is the capacitance of the capacitor.
11. ### physics

Calculate the escape velocity on the surface ov moon .Given the radius of moon=1.7×10(raise to power 6)m and mass of moon =7.35×10(raise to power 22)kg
12. ### Physics

A motor outputs power of 500 watts and is used to raise a 5kg mass vertically at constant speed. How long in seconds does it take to raise the mass 15 meters?
13. ### Physics

Power of a car weighing 1200kg is 134.05hp and its efficiency is 90%. How long will it take to raise of the car to 20m/s from rest. solution:v2=u2+2as 400=2as as=200 real power=13.05hp =100001.3W effective power=90001.17W Power=W/t =mas/t =1200*200/t t=90001.17/240000 =2.67s ...
14. ### physics

A body of mass 10 kg is attached to a wire 30 cm long. Area of cross section of the wire is 10 raise to power -6 metre square. It's breaking stress is 4.8×10 raise to power 7 N/metre square. Find maximum angular velocity with which it can be rotated in the horizontal circle?
15. ### physics

You raise a bucket of water from the bottom of a deep well. If your power output is 101 W, and the mass of the bucket and the water in it is 3.00 kg, with what speed can you raise the bucket? Ignore the weight of the rope.
16. ### Physics

You raise a bucket of water from the bottom of a deep well. If your power output is 108 W, and the mass of the bucket and the water in it is 7.00 kg, with what speed can you raise the bucket? Ignore the weight of the rope.
17. ### physics

You raise a bucket of water from the bottom of a deep well. If your power output is 128 W, and the mass of the bucket and the water in it is 6.00 kg, with what speed can you raise the bucket? Ignore the weight of the rope.
18. ### physics! **

You raise a bucket of water from the bottom of a deep well. If your power output is 115 W, and the mass of the bucket and the water in it is 3.50 kg, with what speed can you raise the bucket? Ignore the weight of the rope.
19. ### physics

A generating station is producing 1.3*10^6 W of power that is to be sent to a small town located 7.0 km away. Each of the two wires that comprise the transmission line has a resistance per kilometer of length of 5.0*10^-2 /km. (a) Find the power lost in heating the wires if ...
20. ### physics

A generating station is producing 1.2 x 106 W of power that is to be sent to a small town located 4.2 km away. Each of the two wires that comprise the transmission line has a resistance per length of 5.0 x 10-2/km. (a) Find the power lost in heating the wires if the power is ...

A generating station is producing 2.00 106 W of power that is to be sent to a small town located 7.0 km away. Each of the two wires that comprise the transmission line has a resistance per kilometer of length of 5.00 10-2 /km. (a) Find the power lost in heating the wires if ...
22. ### Physics (DUE SOON)

A generating station is producing 2.00 106 W of power that is to be sent to a small town located 7.0 km away. Each of the two wires that comprise the transmission line has a resistance per kilometer of length of 5.00 10-2 /km. (a) Find the power lost in heating the wires if ...
23. ### American government

Which power allows congress to check the foreign affairs powers of the president? Eminent domain power Judicial power Taxing and spending power Commerce power**** Which of the following examples reflects an action that congress can take under the war powers? Congress can - ...
24. ### math algebra in second year level

show that each of the following mathematical statement is true; a;(6 raise to 1 over 5)raise to 2 is equal to fifth root of 6 raise to 2? b;fourth root of 3 raise to -3 is equal to 1 over 27 raise to 1 over 4?
25. ### History

1. How did the Magna Carta affect the power of the English king? A. It had no effect on the king's power. B. It closely linked the king's power to the power of the nobles. C. It weakened the king's power. D. It strengthened the king's power. 2. What was significant about the ...
26. ### Physics

You raise a bucket of water from the bottom of a well that is 12 m deep. The mass of the bucket and the water is 5.00 kg, and it takes 15 s to raise the bucket to the top of the well. How much power is required? Pe= 60.00 Work= Force*direction
27. ### Physics

A train on a mountain railway is carrying 200 people of average mass 70kg up a slope at an angle of 30° to the horizontal and at a speed of 6.0 m s–1. The train itself has a mass of 80 000 kg. The percentage of the power from the engine which is used to raise the passengers...
28. ### physics

You raise a bucket of water from the bottom of a well that is 12 m deep. The mass of the bucket and the water is 5.00 kg, and it takes 15 s to raise the bucket to the top of the well. Part A How much power is required?
29. ### English

1. If you want to raise a counterargument about the argument/speech, raise your hands. 2. If you want to raise a rebuttal about the argument/speech, raise your hands. 3. If you want to raise a question about the argument/speech, raise your hands. 4. If you want to raise a ...
30. ### Physics

You raise a bucket of water from the bottom of a well that is 12 m deep. The mass of the bucket and the water is 5.00 kg, and it takes 15 s to raise the bucket to the top of the well. How much power is required?
31. ### Math

Find how much money there will be in the account after the given number of years. Principle \$8500 Rate 4% Coumpounded quarterly Time 4 yeats A=8500(1+.04/4)raised to 40th power A=8500(1.01)raised to 40th power I am stuck here, how do you raise to the 40th power
32. ### Dynamics

It takes 16s to raise a 2800lb car and the supporting 650lb hydraulic car-lift platform to a ht of 6.5 ft. Knowing that the overall conversion efficiency from electric to mechanical power for the system is 82% determine a) the average power output delivered by the hydraulic ...
33. ### math

how do i raise this to the power : (m n)^5
34. ### MATHS

(0.267*0.934)RAISE TO POWER 3
35. ### MATHS

x+y+z=1, x(x)+y(y)+z(z)=35. x(x)(x)+y(y)(y)+z(z)(z)=96 sor.myphonehasno'raise to power'
36. ### FURTHER MATHS

STATE THE LINEAR APPROXIMATION FOR: (2.04)raise to power 5
37. ### Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting on the electron as it revolves in a circular orbit of radius 4.95 × 10−11 m. Answer in units of N. Find the centripetal acceleration of the ...
38. ### Math

simplify the expression (7-(-1*-1)+(-2*-2) Tip: to raise -2 to the second power write (-2)(-2). A. 68 B. 60 C. 40 D. 32
39. ### Government

which of the following is an example of the principle of checks and balances? A)President can veto an act of congress. B)Members of congress have the power to raise their own salaries C)Federal courts have the power to hear cases involving federal law D)President can appoint ...
40. ### math (Reiny)

If # (a,b,c,d)means you raise b,c and d to the power of a and then take the sum of the resulting values, and # (2,3,4,d)=89,then d=? 2^a + 3^a + 4^a = 89 1^a + 1^a + 1^a = 89 3^a = 89 a = 86 an I do it right
41. ### Physics

A crane lifts a 200kg load at a steady velocity.It takes 12s to raise the load through 60m. i) What is the power needed to lift the load if there is no friction? ii) What is the power needed if the friction force is constant at 170N?
42. ### Math

Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct? If not, please show work for me. thanks.
43. ### Physics

A force of 165 N is needed to keep a small boat moving at 2.57 m/s. What is the power required to keep the boat moving at the steady speed? >> I understand that P=Fv but I don't understand the second question. If the resistive force of the water increases with the square...
44. ### Physics

A force of 165 N is needed to keep a small boat moving at 2.57 m/s. What is the power required to keep the boat moving at the steady speed? >> I understand that P=Fv but I don't understand the second question. If the resistive force of the water increases with the square...
45. ### American Government

Which of the following is an example of the principle of checks and balances? A:Presidents can veto an act of Congress*** B:Members of Congress have power to raise their own salaries. C:Federal courts have the power to hear cases involving federal law. D:Presidents can appoint...
46. ### mathematics

[{(3 to power 5by2*5 to power 3by4)/2to power -5by4}/{16/5 to power 1by4*3 to power 1by2)}]to power 1by5
47. ### physics

The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead? 1. 10 to the 34th power 2. 10 to the 19th power 3. 10 to the 24th power 4. 10 to the 29th ...
48. ### math-I just want this check because it will be gra

Are these the correct answers and lables? 9. A hand lens increased the thickness of a line 10 to the 3rd power times.The line was 0.5 mm thick. How thick did the line appear? my ans.- 500 mm thick 10. A truck holds 10 to the 4th power times more pounds than when it is empty. ...

A 5.7 cm thick layer of oil (n=1.46) is sandwiched between a 1.1cm-thick sheet of glass and a 2.5cm -thick sheet of polystyrene plastic (n=1.59). How long (in nm) does it take light incident perpendicular to the glass to pass through this 9.3cm -thick sandwich? I cant seem to ...
50. ### physics

A force of 64 N is required to keep a model power boat moving at a constant speed through the water on a pond. How much work is done in moving the model power boat a distance of 25 m?
51. ### statistics

according to a survey of men interviewed 20% had asked for a raise and 59% of the man who asked for a raise received the raise if a man is selected from the survey population of men fine the folowing proability P(man asked for raise and received raise)
52. ### English

1. If you want to rebutt the speaker's claim, raise your hands. 2. If you want to make a rebuttal against the speaker's opinion, raise your hands. 3. If you want to raise a rebuttal with the speaker's point, raise your hands. -------------------------- Can we use the sentences...
53. ### algebra

Please help I have tried this question so many times: I cannot type out the exponents because my keyboard does not allow so I'll have to write it in verbal form I'm sorry. What is the simplified form of -9 m to the power of negative two times n to the power of 5 times 2 m to ...
54. ### Science Paper

I am writing a paper on wind power. In this one paragraph I have to write about How wind power works. Well all the websites I have been confuse me so much. Can someone please give me a short summery of How wind power works? Thank you!
55. ### Science

If the mass of a ball is 20g and h is 8m, calculate the kinetic energy when it has a velocity of 2ms raise to power minus 1
56. ### math 156

a worker makes 30000 a year. after 1 year he gets a raise of 5%. the next year he gets a raise of 10%. If he received no raise the first year, what percent increase would give him the same salary as consecutive raises of 5% and 10%? would it be 50%
57. ### Biology

1aOrder the following steps of microscope use. A. Observe the specimen under low power; resolve with the fine adjustment. B. Raise the stage; observe under scanning power; focus with coarse adjustment; resolve with fine adjustment. C. Observe the specimen under high power dry...
58. ### Fractional Exponent (Math-II)

A mathematics teacher bought a birthday cake for his son with the dedication Happy (2 raise to 5/2 .(the dot means times) 2 raise to 3/4 divided by 2 raise to 1/4) Birthday!!! How old is his son? kindly help me...
59. ### Fractional Exponent (Math-II)

A mathematics teacher bought a birthday cake for his son with the dedication Happy Birthday!!! (2 raise to 5/2 .(the dot means times) 2 raise to 3/4 divided by 2 raise to 1/4)th How old is his son? kindly help me...
60. ### physics mechanical energy and power

A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd = 300 N. Write an expression for the power the car must produce Pi to maintain its speed. Part (b) What is the power in HP? No Attempt No Attempt Part (...
61. ### American government

What kind of power does the senate have more of then the house of representatives? Executive power***** Judicial power Bargaining power Political power
62. ### American government

What kind of power does the senate have more of then the house of representatives?  Executive power  Judicial power  Bargaining power  Political power*****
63. ### college

let i = the square root of -1 with i to the 1st power =i, i to the 2nd power= -1, i to the 3rd power =-i , i to the 4th power=1 find ito the power 215
64. ### math

A sheet of paper measure 40cm¡Á20cm.A strip 4cm wide is cut from it all around find the area of strip cut out and area of remeining sheet of paper
65. ### HISTORY

What kind of power does senate have more than the house of representatives ?' A)executive power B)judical power C)bargaining power D)political power
66. ### math

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
67. ### physics(capacitors)

A sheet of paper 40mm wide and (1.5 x 10^-2) thick is placed between a metal foil of the same width is used to make a 2.0 UF capacitor. If the dielctric constant(relative permitivity of the paper is 2.5 ,what length of paper is required?
68. ### Math

Which of the following is equivalent to the expression 8 to the -5 power times 8 to the second power A) 1/8 to the 7 power B) 1/8 to the 3 power C) 8 to the 3 power D) 8 to the 7 power I was in between b and c but im pretty sure its c is it?
69. ### government

the power that allows congress to take private property for such uses as an interstate highway system or a national park is a. the commerce power b. the power of eminent domain c. the borrowing power d. the power to tax a
70. ### math

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
71. ### MATH

Find the mass ofa cylindrical ironpipe. lenght2.1m,external diameter12cm,thickness=1cm,density7.8g/cm(raise to power 3)
72. ### Physics

A machine of efficiency 80% is used to raise a load of body of mass 75kg through a vertical height of 3m in 30seconds.Calculate the power input.
73. ### government

what is the ordinance power of the president a. the power to send u.s. troops into combat b. the power to issue executive orders c. the power to make treaties d. the power to pardon a person who has committed a federal crime d.
74. ### American Government

All state legislators possess which broadly defined power that allows them to protect and promote the health and safety of citizens? a. police power*** b. nonlegislative power c. veto power d. judicial power
75. ### english

"Power tends to corrupt, and absolute power corrupts absolutely" --Do people with too much power tend to be corrupted by it? On the other hand, are there examples of people in positions of power that seem to use their status to do good? --Define what it means to have power and...
76. ### Math

According to the Pythagorean theorem, which of the following statements below is true for the triangle in the diagram? (1) a2+4 to 2 power= 5 2 power. 5 (2) a2-4 to2 power=5 2 power. A. (3) a2+5 to2 power=4 2 power (4) a2-5 to 2power=4 2 power. 4 (5) 5 2power +4 2power = a 2 ...
77. ### math

4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power
78. ### math help pls pls pls

Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4th power. A. a to the 6th power over b to the 7th power B. b^12 C. a^8b^15 D. the quantity a to the 8th power over b to the 12th power pls help me
79. ### math-I just want this check because it will be gra

Are these the correct answers and lables? 9. A hand lens increased the thickness of a line 10 to the 3rd power times.The line was 0.5 mm thick. How thick did the line appear? my ans.- 500 mm thick 10. A truck holds 10 to the 4th power times more pounds than when it is empty. ...
80. ### Civics

The author of the Federalist Paper Number 11 wrote: "A navy of the United States, as it would embrace the resources of all, is an object far less remote than an army of any single state or partial confederacy." The author would most likely agree that establishing and ...
81. ### algebra2 plzz help

how do you solve these problems (5x)to the power of a+4(5x)to the power of a-2 3 to the power of 5 times xto the power of y+4 divided by 9 times x to the power of y factor 5aa-2 , which is the greatest common factor, out. 5aa-2(25x2 + 4) check my thinking. In the second, ...
82. ### 8th grade Math

I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) ______________________ 27mn 3a·4a(4 ...
83. ### math

If #(w,x,y,z)means you raise w,x,and y to the power of z and then take the sum of the resulting values ande # (8,10,11,z)=3,then for all positive values of z, then z=? please explain how to do that
84. ### PHYSICS

A 2000kg elevator is attached to a 1800kg counterweight. What power must the motor supply to raise the elevator at 0.4m/s?
85. ### science

114.0 g of water is heated using 67.0 W of power with perfect efficiency. Ho long will it take to raise the temperature of the water from 15 C to 25 C?
86. ### physical science

A 50.g bracelet is suspected pf being gold plated lead instead of pure gold. It was dropped into a full to the rim glass of water and 4cm to the third power overflowed. Is the the bracelet pure gold. Explain. (Density of gold=19 g/cm to the third power and lead=11 g/cm to the ...
87. ### Physics

Consider an electron entering a region between two charged metal plates where, aside from the electric field E, there is also a constant magnetic field B directed into the paper. V is the velocity of the electron (from left to right direction). a)Write an expression for the ...
88. ### chemistry

calculate the molarity of solution cacl2 . if on the chemical analysis . it is found that 200 ml of solution contains 3 into 10 raise the power 22 cl- ions
89. ### biology

What are two units of measure for the energy obtained from macronutrients? Energy units. A BTU (British Thermal Unit) is the amount of heat necessary to raise one pound of water by 1 degree Farenheit (F). 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton ...
90. ### science

A bullet of mass 20g travelling at speed of 350m per second strike a steel plate at an angle of 30degree with the plane of plate it ricochets off at the same angle at a speed of 320m per second what is the magnitude of impulse that the steel plates gives to the projectile if ...
91. ### dividing monomials

this is the problem: 7a(-2)power b (-4)power c (-5)power divided by 14 b(3)power c(6)power how do you simplify this
92. ### Public Administration

I believe I have the correct answer for this one, but just want to make sure. According to theories of French and Raven, Martin Luther King Jr exemplified which style of power in his leadership of the civil rights movement? A. Referent power B. Coercive power C. Expert power D...
93. ### physics

A bullet of mass 10 g has a speed of 500 m/s. a) What is its kinetic energy? b) if it penetrates a block of wood a distance of 10 cm before coming to rest, what is the average frictional force stopping the bullet? A second bullet identical to the first is shot through a sheet ...
94. ### Physics Help

An industrial die machine is used to stamp out holes in pieces of sheet aluminum. the die strikes the surface of the street of metal at a speed of 10 m/s, passes through the 0.635 cm thick sheet, reverses its direction, and is again moving at 10 m/s as it passes the top ...
95. ### Physics

An industrial die machine is used to stamp out holes in pieces of sheet aluminum. the die strikes the surface of the street of metal at a speed of 10 m/s, passes through the 0.635 cm thick sheet, reverses its direction, and is again moving at 10 m/s as it passes the top ...
96. ### math.

Write a function of x that performs the following operations: Raise x to the ninth power, multiply by 5, and then add 6. y=f(x)= (b) Find the inverse to the function you found in part (a). x=g(y)=
97. ### physics

a 15gram bullet moving at 300m/s pass through z 2 cm thick sheet of foam and emerges with a speed of 90m/s find average force impeded its motion through the plastic.
98. ### math

Juan and Pete are on the same salary. Juan receives a 10% raise followed by an 8% raise a year later. Pete receives an 8% raise followed by a 10% raise a year later. After the two salary raises, whose salary is higher? Explain your answer.
99. ### physics

a neutron of mass 1.67*1o power of (-27) is moving with a velocity 10 to the power of(6) collides with a deuteron of mass 3.34*10 to the power of (-27) kg at rest .after collision if both have single particle find its velocity
100. ### 8th grade math-exponents

I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is X/2 to the 5th power. ...