74,672 results, page 25

1. ### physics

An electron travels 2.7 m in 6.37 × 10−8 s. How fast is it traveling?
2. ### physics

how does the M.A. and the I.M.A. of the inclined plane vary with the inclination angle?
3. ### Physics

how does the M.A. and the I.M.A of the inclined plane vary with the inclination angle?
4. ### physics

find the area of parallelogram whose adjacent sides are +3+3 and -3-2+.
5. ### physics

its a science word to do with forces and its scrambled itsreniat
6. ### Physics

a car accs from 10 m/s to 50m/s in 8 seconds, what is the acceleration?

8. ### Physics-

How can anything accelerate if every force has and equal and opposite counterpart?
9. ### physics

What is the force of gravity between two spheres that have a mass of 6 kg and are separated by 36 m?
10. ### physics

What is the force of gravity between two spheres that have a mass of m1 =13 kg, m2 = 49 kg and are separated by 35 m?
11. ### physics

Why should we add a the value 273 to change a celcius value in to kelvin.?
12. ### physics

How long will it take a cat to run 8.2m [N] at an average velocity of 3.7m/s [N]
13. ### Physics

Find the gravitational force of the Sun on Jupiter.
14. ### physics

two masses one on an inclined plane at 30 degrees the other suspended
15. ### physics

three resistors are connected in parallel R1=10, R2=50, R3=25.what is the equivalent resistance
16. ### physics

what is the momentum of a cart with a mass of 30 kg which is moving at rate of 54 km/hr?
17. ### PHYSICS

How can tachyons increase in speed by decreasing in energy
18. ### physics

A bus slows down uniformly from 79.6 km/h (22.1 m/s) to 0 km/h in 15 s. How far does it travel before stopping?
19. ### physics

easy method to solve questions on ap,gp,agp?????????????????????
20. ### physics

What is the wavelength of an earthquake that shakes you with a frequency of 10.0 Hz and gets to another city 84.0 km away in 12.0 s?
21. ### Physics

Can a hydrogen bond affect a molecule's shape?
22. ### physics

If your weight is 300 N what is the upthrust on you when you are floating in water
23. ### physics

calculate the value of g at a height of 3600 km above the surface of the earth?
24. ### physics

A pendulum makes 27 vibrations in 36 s. What is its period in seconds?
25. ### physics

if a juggernaut decelerates at 9m/s^2, how long will it take him to stop from 45m/s?
26. ### Physics

What is the period that corresponds to a frequency of 53.1 Hz? Answer in units of s
27. ### Physics

The kinetic energy of a 4 kg object moving at 3 m/s is _______ J.
28. ### Physics

The voltage across a 10-ohm resistor carrying 3 amps must be?
29. ### physics

pease answer my phy questions urgenntly
30. ### physics

How many joules of heat are required to melt 20.0 kg of ice at 0°C?
31. ### physics

how much work is done when 100 kg lifted 5 meters above the ground
32. ### Physics

Define the term "complementary colours"?PLEASE GUYZ
33. ### Physics

Explain how a galvanometer functions, using electromagnetic principles.
34. ### physics

How much force is needed to accelerate a 78kg skier 2m/s/s/
35. ### Physics

What is a magnetic field of 950 G expressed in tesla?
36. ### physics

A bus slows down uniformly from 68.4 km/h to 0 km/h in 23.7 s. How far does it travel before stopping?
37. ### Physics

find the height from which you would have to drop a ball so that it would have a speed of 9.0 m/s
38. ### PHYSICS

Why do tachyons increase in speed by decreasing in energy
39. ### Physics

If a ball has a weight of 6.8N what is the centripetal force of the string
40. ### Physics

what is the distance if its velocity is 10m/s and the time is 10 seconds
41. ### Science (physics)

How does temperature affect the gas in a balloon?
42. ### Physics

How does the weight of a body varies on earth surface?
43. ### physics

what is the molar specific pressure at constant volume
44. ### college physics

As wavelengths decreases, energy _____.
45. ### physics

calculate the number of molecules in 30g water
46. ### Physics

Calculate (in MeV ) the total binding energy for 40 Ca.
47. ### Physics

Calculate (in MeV ) the total binding energy for 40 Ca.
48. ### Physics

By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?
49. ### physics

what are three careers that belong to the life science branch?
50. ### physics

what depth of mercury creates a pressure of 1 atm?
51. ### physics

write an derival quantity,formulae and unit
52. ### physics

Why is voltmeter connected in parallel in electric circuit?
53. ### physics

What velocity at 60.0 kg jogger a kinetic energy 1,080?
54. ### physics

What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
55. ### physics

What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
56. ### Physics

What is the frequency of a sound wave in air at 20°C that has a wavelength of 0.4 m?
57. ### physics

What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
58. ### Physics

How is the Sky Screamer at Six Flags an example of Newton's First Law?
59. ### physics

differentiate mathematically, between resistances in series and in parrallel
60. ### physics

how much energy is needed to heat 50 grams of ethanol
61. ### physics

THERE ARE 10 WAYS TO DRAW A CIRCUIT WITH FOUR 5OHM RESISTORS. WHAT ARE THEY?
62. ### Calc and Physics

Damon and Reiny. Thanks for your quick and thorough responses.
63. ### Physics

what is the formula used to find time with an Vo at 0, Vf at 22 m/s2, and a constant velocity at 1.7 m/s2?
64. ### physics

the angular speed of the hour hand of a clock is
65. ### Physics

Your velocity changes from 50 m/s to the left to 10 m/a to the right in 15s, what is your average acceleration?
66. ### physics

How would an astronaut in apparent weightlessness be aware of her mass?
67. ### physics

How would an astronaut in apparent weightlessness be aware of her mass?
68. ### Physics

How much heat is required to raise the temperature of 70 g of water from 20 C to 80 C?
69. ### physics

The equation for distance is d = st. How far does a car go in 10 seconds at a speed of 44 m/s?
70. ### physics

How much kinetic energy does a 2000 kg traveling 70 mph have?
71. ### physics

what do you understand by the statement density of gold is 19.6 gm/cm3?
72. ### Physics

When you look at a distant galaxy through a telescope, how is it that you're looking backward in time?
73. ### Physics

Why do objects illuminated by moonlight lack color?
74. ### physics

How are you able to determine if conservation of momentum occurs in each collision?
75. ### Physics

what are 2 examples of elastic collisions not discussed in class
76. ### Physics

Is mass the one and only thing that produces a gravitional force???
77. ### physics

What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
78. ### physics

the formula of centripital accelaration is v>2/r Q:Why here is square of speed ?
79. ### physics

what is the velocity of a 53.7 kg jogger with a kinetic energy of 1054 J?
80. ### physics

Find the displacement of the car after 5.9 s. Answer in units of m
81. ### PHYSICS/SCIENCE

How much heat must be removed from 5.0g of water at 10°C to become ice at 0°C ?
82. ### Physics/Science

How much heat must be removed from 15.0g of water at 10°C to become ice at 0°C?

84. ### physics

you are moving at 12m/s towards a mirror,what is the speed of your image?
85. ### physics

What is the relative density of Al=2700 and H2O=1000kg
86. ### physics

A 9.000 kg ball has a speed of 16.0 m/s. What is its kinetic energy?
87. ### physics

a hare can run 100m in 5 seconds what is its speed
88. ### physics

if a car goes twice as fast will the breaking distance also double
89. ### Physics

Does the elasticity of a ball change with successive bounces?
90. ### Physics

A weight suspended from a spring is seen to bob up and down over a distance of 11 cm twice each second.
91. ### physics

What equation do you use to find the coefficient of kenetic friction
92. ### physics

Calculate the work done when a 18 N force pushes a cart 2.5 m.
93. ### physics

How much work is done when a mass of 30N is lifted vertically through 6m
94. ### Physics 2

What is the approximate mass of air in a living room 5.6 m x 3.6 m x 2.4 m?
95. ### PHYSICS

What is the longest wavelength that can be heard by a normal ear?
96. ### Physics

A wild horse starts from rest and runs
97. ### physics

How will the weight of 20kg change if it was in a lift that accelerates at 4m/s
98. ### Physics, help!

How many protons are needed to produce a total charge of 2.5*10^-15 C?
99. ### physics

how do i figure the momentum of a 8.2 kg cannon ball moving at 9.3 m/s
100. ### Physics

find the direction and magnitude of the vectors : a. A=(25m)x+(-12)y b. B=(2.0)x +(15)y c. A+B