# a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7 meter. ow Large will the diameter of te virus appear when it is

46,486 results
1. ## science

Object A and B both start at rest. They both accelerate at the same rate. However , object A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of object B? a) the same distance B) twice as far c) three

2. ## Mathematics

Four times the larger of two consecutive even integers is ten less than the smaller What is the larger of these two numbers

3. ## science

why would Hooke's discovery have been impossible without the invention of the microscope? A. Because all living things are made up of cells. B. Because cells are too small to see without a microscope C. Because cells are the building blocks of life D.

4. ## Physics

The focal length of a concave mirror that produces four times larger real image of an object held at 5cm from the mirror is.....

5. ## Biology

Without the invention of the microscope, would the cell theory have been possible? I don't think it would have been possible because through technology, the microscope, cells were visible. Without the microscope how could scientists have seen cells or

6. ## geometry

A microscope shows you an image of an object that is 80 times the actual size. Therefore, the scale factor of the enlargement is 80. An insect has a body length of 7 millimeters. What is the body length of the insect under the microscope? I know it's 560,

7. ## Algebra

Seven times the smaller of 2 numbers plus 9 times the larger is 178. When 10 times the larger is increased by 11 times the smaller the result is 230. Find the numbers.

8. ## science

The focal length of a concave mirror, that produces four times larger real image of an object placed at 5 cm distance from the mirror, is------

9. ## Science

The most common microscope found in classrooms today is the ________________ microscope Someone halp! I dont know what kind of microscopes there are?

10. ## alegebra

Mr. Baker wants to enlarge a photo that is 5 by 7 inches so that the dimensions are 3 times larger than the original. How many times larger than the original photo will the area of the new photo be? I am sorry that nobody responded to your post earlier. If

11. ## Physics

A compound microscope has an objective lens with a focal length of 1.5 cm and an eye piece of focal length 5 cm. It is focused on an object which is at a distance of 1.8 cm. The length of the microscope for normal adjustment is ?

12. ## Math

One side of a rectangle is 20 cm larger than the other side. If you make the smaller side two times larger and the larger side three times larger, then the perimeter of the new rectangle would be 240 cm. Find the lengths of the sides of the original

13. ## Physics Help!

A 1 kg object is located at a distance of 1.7 x 10^6 m fom center of a larger object whose mass is 7.4 x 10^22 kg. a. What is the size of the force acting on the smalle object? b. What is the size of the force acting on the larger object? c. What is the

14. ## science

transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.

15. ## Biology

What are two types of materials or observations that would necessitate the use of the stereoscopic microscope? What organelles are visible with the electron microscope but not with the light microscope? (we've been studying single celled organisms and

16. ## geometry

A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or the scale drawing? Show work. --I understand that the answer is 100 times larger since 10mm equals 1cm. BUT how do I show the work of how this is solved? THANK YOU!

17. ## Biology

Why is the maximum resolution and magnification of a light microscope less than the electron microscope?

18. ## Physics

A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. (a) Find the velocity of each object after the collision. 5.00 g object cm/s 10.0 g object cm/s (b) Find the fraction of

19. ## science

Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron

20. ## Mathematics

the difference of twice the smaller integer and 7 times a larger is 4. when 5 times the larger integer is subtracted from 3 times the smaller, the result is -5 find marks the number​

21. ## algebra

the sum of 2 numbers is 83. three times the smaller number is subtracted from the larger number is 19. how do i set this problem up?

22. ## Math Exponenet Word problem

A microscope is set so it makes an object appear 4x10^2 times larger than its actual size. A virus has a diameter of 2x10^-7 meter. How large will the diameter of the virus appear when it is viewed under the microscope?

23. ## Biology

what is the lense in the eyepiece of a microscope called? I thought it was just called a lens. However, since this is not my area of expertise, I searched Google under the key words "microscope parts eyepiece" to get these possible sources:

24. ## Biology

What are two types of materials or observations that would necessitate the use of the stereoscopic microscope? What organelles are visible with the electron microscope but not with the light microscope? (we've been studying single celled organisms and

25. ## physics

the focal length of this mirror is 6 cm and the object is located 8 cm away from the mirror. calculate the position of the image formed by the mirror. suppose the converging mirror is replaced by a diverging mirror with the same radius of curvature that is

26. ## mathematics

An object moves around x^2 + y^2 = 25 (which represents a circle whose radius is 5 meters) at a constant speed. At time t = 0 seconds, the object is at (5, 0). When t = 1, it is at (4, 3). Where is the object when t = 2? when t = 3? when t = n? What is the

27. ## science

The focal length of a concave mirror, that produces four times larger real image of an object placed at 5 cm distance from the mirror, is------

28. ## Physics ~ missed this lecture pls help

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

29. ## Scientific notation

a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7 meter. ow Large will the diameter of te virus appear when it is viewed under te microscope?

30. ## translation

how can say you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear larger in spanich please

31. ## Science 7R

A microscope that uses lenses and objectives to magnifying is the______ a. compound light microscpe b. scanning electron microscope c. transmission electron microscope {d} atomic force microscope am I correct???? If I'm wrong please explain why and tell me

32. ## physic

please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. (a) Find the velocity of each object after the collision. 5.00 g object 10.0 g objectt (b) Find the

33. ## algebra

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

34. ## BIOLOGY

A high-powered microscope that produces an image from scattered secondary electrons is the a. immunofluorescence microscope b. bright-field light microscope. c. transmission electron microscope (TEM) d. scanning electron microscope (SEM). e. confocal

35. ## math

kate is looking at a slide under a microscope. The insect on the slide is 7/15 inches long. he uses the microscope to magnify the object 3 3/4 times. How long does the insect appear to be now?

36. ## Science

Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron

37. ## science

Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron

38. ## Biology

In the microscope activity, you viewed some of the same specimens under multiple microscopes. Describe the differences in what you could see under each microscope. Which microscope would view small specimens the best and why?

39. ## algebra

The weight of an object follows the equation w=Cr^-2, where C is the constant and r is the distance the object is from the center of the earth. a. solve the equation for r. b. Suppose the object is 100 pounds when at sea level. Find the value of C that

40. ## science

Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

41. ## science

Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

42. ## Physica

If a student desires to produce three times larger and an erect image from a double convex lens with focal length of 15 cm ,then he should place the object from the lens at ;

43. ## biology

You are viewing a specimen for biology lab. You place the slide on the microscope and turn away from it to make sure your data table is set up for your observations. When you turn back to the specimen and look at it through the eyepiece, you notice that

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

45. ## Biology

Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add

46. ## Physics

What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force

47. ## physics

What conditions must exist for a converging lens to produce a real image of an object that is larger than the object itself? Please respond with 3 - 4 complete sentences.

48. ## ruler

how can say you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear larger in spanich please

49. ## Physics

An object rests on an inclined surface thanks to the presence of static friction forces between the object and the surface. The magnitude of the friction force that prevents the object from sliding is found to be 30 N. Now, the angle that the surface makes

50. ## Math

Ragweed pollen has a diameter of about 2.3x10(exponent -5)meters. Under a microscope the pollen appears to have a diameter of 2.3x10(exponent -2) meters. how many TIMES larger is the magnified image under the microscope? I don't get it! What do u have to

51. ## Science

An electron microscope has a much greater useful magnification than an optical microscope because it can resolve smaller details. What makes the higher resolving power possible?

52. ## Pre-Algebra

Ragweed pollen has a diameter of about 2.3x10(exponent -5)meters. Under a microscope the pollen appears to have a diameter of 2.3x10(exponent -2) meters. how many TIMES larger is the magnified image under the microscope?

53. ## science

transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.

54. ## Math(Algebra)

How would you set this problem up and work it: The difference between two numbers is 16. Three times the larger number is seven times the smaller. What are the numbers? This one also: The differnce between two numbers is 18. The sum of twice the smaller

55. ## Physics

A magnifying glass uses a converging lens with a focal length of 15.5 cm. It produces a virtual and upright image that is 3.1 times larger than the object. How far is the object from the lens?

56. ## physics

A magnifying glass uses a converging lens with a focal length of 14.5 cm. It produces a virtual and upright image that is 3.3 times larger than the object. How far is the object from the lens?

57. ## physics

a large truck is driving down the street when it hits a small bug a) which object has the larger force acting on it? b) which object has the larger acceleration?why?

58. ## Math

How do I set this up and how do I solve: The sum of two numbers is 20 The difference between 3 times the larger number and twice the smaller number is 40. What is the larger number?

59. ## physics

For the one dimensional motion of an object along an axis, choose all the statements that are True. 1.) If the object reverses direction and goes the opposite way, the sign of the velocity changes. 2.) If the acceleration has the opposite sign than the

60. ## Physical Science

Hello, Do I have the correct answer? Thank You, If the distance from a converging lens to the object is less than the focal length of the lens, the image will be? A. real, inverted, and larger than the object B. real, inverted, and smaller than the object

61. ## math

One side of a rectangle is 20 cm larger than the other side. If you make the smaller side two times larger and the larger side three times larger, then the perimeter of the new rectangle would be 240 cm. Find the lengths of the sides of the original

62. ## Calculus

An object is traveling along the x axis so that its speed is given by v(t)=t^2-7t+10 m/s. (a) Find the times when the object is at rest. (b) Find the acceleration at both of these times. Interpret the acceleration in terms of the motion of the object, ie

63. ## Math

Can someone please help me write this statement out in formula form. There should be two formulas. Question.... Three times the larger of two numbers is equal to four times the smaller. The sum of the numbers is 21. Find the numbers. If we let X = larger

64. ## Calculus

An object is traveling along the x axis so that its speed is given by v(t)=t^2-7t+10 m/s. (a) Find the times when the object is at rest. (b) Find the acceleration at both of these times. Interpret the acceleration in terms of the motion of the object, ie

65. ## Physics

An object rests on an inclined surface thanks to the presence of static friction forces between the object and the surface. The magnitude of the friction force that prevents the object from sliding is found to be 30 N. Now, the angle that the surface makes

66. ## Physics

The smallest object visible to the unaided eye is of 100 microns. If you use a microscope of m=1000, what is the size of the smallest object you can now see? (So=25cm) The answer is apparently 100nm. I am still confused as to why. Please help!

67. ## Algebra

Can you help me set this problem? it is as follows, "Find three consecutive odd integers such that their sum is 5 more than four times the larger."

68. ## math...2 word problems

Two questions: (1) In a class every boy is friends with exactly 3 girls. Every girl is friends with exactly 2 boys. There are only 19 desks (each holding at most two students), and 31 of the students in the class study French. How many students are there?

69. ## Algebra

A microscope can magnify the specimen 10^4 times. How many is that? My answer 10 x 10 x 10 x 10 = 10,000 times Am I right?

I am not thinking straight anymore and this is due by 9:00pm. My brain feels a little fried at this point. I have been at it all day. Can someone please help me! (a) An object is placed in front of a convex mirror. Draw a convex mirror (radius of curvature

71. ## physics

A moving car has kinetic energy. If it speeds up until it is going four times faster than before, how much kinetic energy does it have in comparison? 1. The mass is needed. 2. The same 3. Sixteen times larger 4. Four times smaller 5. Four times larger 6.

72. ## Math

Can you help me understand this math problem...I could figure it out the long way but I think there is a formula that I can use that I'm not remembering: I have 18 different colors of marbles. I'm going to arrange them in sets of three. I want to do this 6

1) AMP -activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which

74. ## Cell Biology Help Please!

1) AMP -activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which

75. ## chemistry

Which answer choice correctly describes why larger atoms tend to break apart? The number of neutrons in the nuclei of larger atoms is equal to the number of protons, which makes these atoms less stable. The proportion of protons and neutrons in the nuclei

76. ## Physical Science

Need help please. the once with the ( ) is my answer but i am not sure if it right. Thanks for your help. 15. If the distance from a converging lens to the object is less than the focal length of the lens, the image will be A. real, inverted, and larger

77. ## physics

does each of the two lenses used in a microscope produce a magnification of the object being viewed?

78. ## Physics

reword each statement about friction to make it true. For very small objects, the friction from the object to the surface is less than the friction from the surface to the object. If the mass of an object increases, the kinetic friction on the object will

79. ## Physics

A 0.700 kg object attached to the end of a 0.560 meter wire revolves uniformly on a flat, frictionless surface. a) If the object makes three complete revolutions per second, what is the force exerted by the wire on the object? b) What is the speed of the

80. ## algebra

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

81. ## math 117

Can some help me with this appendix please. Thank you Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the

82. ## college

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

83. ## Math

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

84. ## science

Describe the direaction an object moves looking through the microscope compared to how it is moving on the slide?

85. ## Physica

If a student desires to produce three times larger and an erect image from a double convex lens with focal length of 15 cm ,then he should place the object from the lens at ;

86. ## physical

If a student desires to produce three times larger and an erect image from a double convex lens with focal length of 15 cm ,then he should place the object from the lens at ;

87. ## physics

The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials speed, or the square of the

88. ## algebra 2

You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1.1. the weight of an object follows this equation: , where C is a constant, and r is the distance that the object is from

89. ## Biology

Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add

90. ## Biology

Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add

91. ## Biology

Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add

92. ## Physics

A 18 kg object and a 26 kg object are connected by a massless compressed spring and rest on a frictionless table. After the spring is released, the object with the smaller mass has a velocity of 2 m/s to the left. What is the velocity of the object with

93. ## Physics

A 11 kg object and a 19 kg object are connected by a massless compressed spring and rest on a frictionless table. After the spring is released, the object with the smaller mass has a velocity of 12 m/s to the left. What is the velocity of the object with

94. ## math

the larger of two numbers is 1 more than twice the smaller. three times the larger number is 10 more than 5 times the small. find both numbers.

95. ## science

HELP! (UNGERT)due next week tue 11 dec :what the similarities+differences between a light microscope and a electron microscope?

96. ## Physics

I know that if a ramp is steeper, larger theta, then the object rolling down will become faster. However, if the object is rolling up the ramp will it slow down like I think it should? How can I prove this? When I try to prove it via a kinetmatics equation

97. ## Physics

Is it true that with buoyancy, the weight of the displaced water equals the weight of the complete object, even if only a part of the object is submerged? If so, why, since the weight of a larger object would be greater than that of a smaller one?

98. ## science

similarities+differences between a light microscope and a electron microscope?

99. ## Algebra

The difference between two positive numbers is 9. If four times the larger number is ten times the smaller number, what is the larger number?

100. ## physics

Consider an object with a mass of 12.5 kg moving at a constant speed in a circular path with a radius of m. The object makes one full revolution in seconds. Calculate the centripetal acceleration of the object. Give your answer in m/s2 and with 3