74,851 results, page 20
1. ## Physics

What liquid substances have an index of refraction of 1.42? and then 1.43?
2. ## physics

What are the decibels 917m away from a 35.5 W sound source?
3. ## physics

What are the decibels 917m away from a 35.5 W sound source?
4. ## Physics

If s=at^2+bt+c where is distance and is time, what will be the correct unit of a, b, and c
5. ## physics

how scientists inventions are effecting the environment?
6. ## physics

how many significant digits are in the following measurement 2.546m
7. ## Physics

How much work does it take to stretch the spring from 10 cm to 20 cm from equilibrium?
8. ## Physics

What is the average acceleration of a baseball that goes from zero to 47 m/s in 0.132 s?
9. ## Physics

How do I make calculations for a toy hovercraft?
10. ## Physics

carbon-14 is produced in the atmosphere primarily by what?
11. ## Physics

why does current slow down in a series than when in a parallel?
12. ## physics

how can a solenoid be used to fire4 small ball?
13. ## Physics

Name five distinct disciplines of physical sciences
14. ## Physics

what is the relationship between forces in equilibrium and their components?
15. ## PHYSICS

Differentiate the movement in plants and animals.
16. ## Physics

What does it mean when the position vs. time graph is below the x-axis?
17. ## Physics

How much heat is contained in 100 kg of water at 60.0 °C?
18. ## physics

Pls,tell me the importance of Significant Figures?
19. ## physics

The device which is use to measurment of liquid flow???
20. ## PHYSICS

HOW TO SOLVE A CIRCUIT CONTAINING A CAPACITOR ACROSS A RESISTOR?
21. ## physics question

What is a magnetic field, and what is its source?
22. ## Physics

Which of the following is the equation of the circle with centre (-1.5, 0.5) and radius 3? A. 2x^2 + 6x + 2y^2 - 2y - 13 = 0 B. 2x^2 - 6x + 2y^2 + 2y - 13 = 0 C. 2x^2 - 6x + 2y^2 - 2y - 13 = 0 D. 2x^2 + 6x + 2y^2 - 2y - 23 = 0 E. @x^2 + 6x + 2y^2 - 2y -14
23. ## physics

what can we learn from an analysis of a stellar spectrum?
24. ## Physics

Determine the voltage across the 5.0-Ù resistor in the drawing.
25. ## physics

What is the mass of 5.00L of pure water?
26. ## Physics

Suppose vectors a&b if a x b=c. Show that c is perpendicular to a&b. Please help me.
27. ## Physics

If you can see the face of a friend who is underwater, can she also see you? Please explain. Thanks :)
28. ## Physics

What is the "Percent Difference Formula for Momentum"?
29. ## PHYSICS!!!

does anyone know the fundamentals of thw measure units??

31. ## physics

what is the scientific n otation of 75mm to inches?
32. ## physics

Derive the relation for a travelling wave ,d^2 y/dt^2 = V^2 d^2 y/dx^2
33. ## physics

A=2i+3j-k, b=4i=2j-2k, find the vector x parallel to A but has magnitude of B
34. ## physics

what is the minimum work that must be done to raise a 30.0 kg object from h 7.0 m to h=11.0 m?
35. ## Physics

How much kinetic energy does the electron gain?
36. ## Physics

A jeepney slows down from 10 m/s to 4 m/s in 6 s. What is the distance covered?
37. ## Physics

What are some possible uses for gelled methanol and why was it never used as a fuel in transportation?
38. ## physics

• How will the amplitude affect the speed of sound?
39. ## Physics

can scientific laws be changed by a vote?
40. ## physics

how do green plants produce food
41. ## PHYSICS

Can an act of fissure destroy a blackhole
42. ## Physics

How long does a car with an acceleration of 2.0m/s2 take to go from 10m/s?
43. ## physics

Which part of a wave relates to its energy ?
44. ## Physics

Write in standard form 378.72
45. ## Physics

A 10 kg is acted upon by a force of 90 N .What acceleration is imparted?
46. ## physics

what is the diameter of a 1.00m lenght of tungsten
47. ## physics

Resultant force=203.89KN
48. ## physics

isolate for t s = ut + 1/2at^2 please show all ur steps  
49. ## PHYSICS

what does it mean to be outside the focal point of a converging mirror?
50. ## physics

isolate for f 1/di = 1/f - 1/do show all the steps pls
51. ## Physics

Why are household lamps are not connected series?
52. ## Physics

An alpha particle has a mass of 6.64x10^-27
53. ## physics

Find the length of a pendulum that has a frequency of 0.80 Hz?
54. ## Physics

Show that there is no Brewster’s angle for s polarization.
55. ## Physics

How do I make calculations for a toy hovercraft?
56. ## Physics

How far do you travel if you start at 5.6 m/s and slow down at 2.5 m/s until you stop?
57. ## Physics

why does current slow down in a series than when in a parallel?
58. ## Physics

I got 240mph by using a diagram but my lecture said i am wrong
59. ## Physics

How can i find the area of the triangle vertices (2,-3,1), (1,-1,2)&(-1,2,3)
60. ## physics

1) y=4+5x + 7x³. Find dy/dx 2) if y= tan x cos²x then dy by dx will be-
61. ## physics

A 25N ball is lifted 100CM=
62. ## physics

How much work is done when 30.0kg crate is lifted 15.0m?
63. ## Physics

can a virtual image be projected on a screen? thanks :)
64. ## physics

how far will 490 J raise a block weighing 7 N?
65. ## physics

list and explain 5 locking devices
66. ## physics

because of deformation, what can kinetic energy be converted into?
67. ## physics

in other terms of units, what is a joule equal to? a)N*m b)N/m c)W/s d)s/W e)N*s
68. ## Physics

How does an object's speed affect its aerodynamics?
69. ## Physics

How do you determine the work done by the frictional force?
70. ## Physics

How many m3 are there in 3.0475x10^5 cL, expressed to 3 significant figures?
71. ## physics

for the equation y = y0 + vy0t + at^2/2, how to I get t alone. Im looking to slove for time
72. ## PHYSICS

Why is there a need foe a scientist to know the limitations of Science?
73. ## Physics

How does the width of a pulse affect its speed?
74. ## Physics

what propels a rocket away from the surface of the earth?
75. ## Physics

what propels a rocket away from the surface of the earth?
76. ## Physics

Why does temperature of water does not change while it is boiling?
77. ## Physics

How do you calculator the percent error from a graph?
78. ## Physics

how many seconds would it take to walk to California at 4.0 km/hr if it is 3000 km away?
79. ## Physics

What is a buoyant force? Be sure to give and explain an example.
80. ## physics

How long does it take a 20 kW steam engine to do 7.3×10^7 J of work?
81. ## physics

what temperature is bose- einstien condensate?
82. ## physics

give as many characteristics as you can of a bicycle pump
83. ## history

what is the most important contributions of physics to industry
84. ## Physics

Any thing with mass has this, even a speck of dust
85. ## physics

Describe the operation of electrons in a conductor
86. ## Physics

What is the energy of a hydrogen atom with a 1.70 nm diameter?
87. ## physics

What is the difference between vector and a scalar quantity?
88. ## physics

Why is 9.8 used as g on Earth but nowhere else in the solar system? Explain.
89. ## physics 1

a simple pendulum is 1m long.what is its period?
90. ## Physics

How can I rearrange the equation R=pL/A for p, A, and L as subject
91. ## physics

what are imp. l/q of unit 6 (work and energy)
92. ## Physics

What is the acceleration of a mechanical part that moves from 0 to 10 m/s in 1 s? a.10 m/s b.20 m/s c.10 m/s2^
93. ## Physics

What gases are in a fluorescent and incandescent bulb?
94. ## physics

You push down on a 3 N box for 10 Minutes. How much work was done?
95. ## Physics

how can the equilibrant of two or more concurrent forces be found
96. ## physics

can you please explain how the process of doping is conducted.
97. ## physics

In what two situations will a car have balanced force?
98. ## physics

How high would you have to go in the atmosphere for half of the mass?
99. ## Physics

what is the voltage acros a 60.0 resistor with a current of 3 1/3 a?
100. ## physics

what is the distance, given the velocity that has magnitude 1.2 m/s within 40 min.?