# Math/Physics

214,834 results, page 29

1. ### physics

true or false only animals undergo respiration
2. ### physics

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

is the expression f=ma, true in all cases.give reasons
4. ### physics

Compute the work done to accelerate a 1,000-kg car from 0 to 27 m/s in 10 seconds.
5. ### physics

A net force of 265 N will accelerate how much mass at 0.5 m/s/s?
6. ### Physics

Acceleration due to gravity is 9.81 m/s/s. What is the weight (in Newtons) of a 97.96 kg mass?
7. ### physics

What work is done when 6.0 C is moved through an electric potential difference of 1.5 V?
8. ### physics

An automobile with a mass of 1400 kg has a speed of 30.0 m/s. What is its kinetic energy
9. ### physics

i need a mathematical relationship between density and height
10. ### physics

An electron travels 1.91 m in 4.72x10^-8s. How fast does it travel? Answer in cm/s
11. ### physics

Energy can be stored in these- until you let them go! It is 7 letters and the 5th letter is 'n'
12. ### Physics

A proton is at the origin and an electron is at the point x = 0.36nm , y= 0.30nm .
13. ### Physics

what happens to the index refraction of air as temperature increases?
14. ### physics

in the model ,how far away from the earth would the sun be?
15. ### Physics

what happens to the index refraction of air as temperature increases?
16. ### Physics

what happens to the index refraction of air as temperature increases?
17. ### Applied Physics

A year of 365 days is equivalent to 5.26 x 10 to the 5 seconds
18. ### Physics

Can gravity friction and tension be all centripetal forces?
19. ### physics

five factors that affect the rate of diffusion in GASES
20. ### physics

What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
21. ### physics

What is the boiling and freezing points of celsius scale and kelvin
22. ### physics

static friciton is greater than sliding friction prove
23. ### physics

What are some examples of real resistors used in circuits?
24. ### physics

what is the distance and displacement of the race car drivers in the 15m?
25. ### mechanical physics

how to compute capacitance for Btu in starting capacitor
26. ### physics

what is the resistance of air gap in plug key in a circuit.
27. ### physics

Momentum of a bullet of mass 1.34 x 10-3 slug traveling 735 ft/ s
28. ### Physics

Part A - What is the magnitude of the electric force on charge in the figure?
29. ### physics

displacement for walking 100m east than 125m west
30. ### physics

If a stone is thrown upward at 29.7 m/s, what will be its velocity at a height of 12 meters?
31. ### physics

If you jump upward with a speed of 1.7 m/s, how high will you be when you stop rising?
32. ### Physics

If a person runs the 100m dash in 10.0s, calculate that speed in m/s and km/h.
33. ### Physics

Consider an inertial reference frame. In this coordinate system
34. ### physics

If a stone is thrown upward at 20.5 m/s, what will be its velocity at a height of 12 meters?
35. ### physics

Why do aircraft take off and land into the wind?
36. ### physics

What kind of motion makes the pendulum when the amplitudes are small ????
37. ### physics

34.0 km/h, speeds up at a constant rate of 3.9 m/s2. What velocity does it reach 6.8 s later?
38. ### physics

Mass of a block is 3.9 kg and volume is 0.0005 m. Find density in g/cm
39. ### physics

what happens when sun collapsed inside black hole?
40. ### physics

What is the kinetic energy of a 15 kg dog that is running at a speed of 8.9 m/s (about 20 mi/h)?
41. ### physics

You drive a car 7 h at 42 km/h, then 7 h at 65 km/h. what is your average velocity? answer in units of km/h
42. ### physics

why is the pressure on the ground more when a man is walking than when he is standing?
43. ### physics

When does the rocket reach maximum height? Answer in units of s
44. ### Physics

What is the maximum amount of force a human can exert in newtons?
45. ### Physics

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

a cannonball is fired straight up at 60m/s. how long does the flight last?
47. ### physics 12

a 1kg satellite has an orbital period of 4 hours. what's the altitude?
48. ### physics

How do you know what element is chemically active on the periodic table? PLS HELP
49. ### physics

HOW DO YOU SOLVE FOR COS THETA. I KEEP GETTING ERROR.
50. ### physics

What is its velocity when it returns to the level from which it started? Answer in units of m/s
51. ### Physics

What is the KE (in J) of a 2650 lb Honda Civic traveling at 100 mph?
52. ### physics

What is the net flux through the surface when charge is at the centre?
53. ### physics

a man has ten 1/10 ohm resistors with him . what is the maximum current that he can get with them?
54. ### physics

Suppose you increase your walking speed from 1m/s to 3m/s in a period of 1s. What is your acceleration? a:2m/s b:5m/s c:4m/s d:3m/s
55. ### physics

Suppose you increase your walking speed from 1m/s to 3m/s in a period of 1s. What is your acceleration? a:2m/s b:5m/s c:4m/s d:3m/s
56. ### Physics

A boy walk 1km due north.what is his displacement?
57. ### Physics

how much work is done when a magnet pulls a piece of iron?
58. ### Physics

why the ray reflected by the prism is brighter than that by the plane mirror?
59. ### physics

how much force is exerted on a bag that is lifted at 5m/s^2 with 18.5kg in it
60. ### physics

how does a dessert fox's large ears help it keep cool?
61. ### physics

A 90kg gorilla slides down a jungle vine
62. ### physics

how long does a car with an acceleration of 2.0 m/s^2 take to go from 10m/s to 30m/s?
63. ### physics

the image you see in a plane mirror appears to be at what distance?
64. ### physics

The speed of an electron is known to be between 3.0×10^6 m/s and 3.3×10^6 m/s . Estimate the uncertainty in its position.
65. ### Physics

The speed of an electron is known to be between 3.0×10^6 m/s and 3.3×10^6 m/s . Estimate the uncertainty in its position.
66. ### Physics

If light in air is incident at 20°, at what angle is it refracted in glass?
67. ### Physics

What is the energy (in eV ) of a photon of visible light that has a wavelength of 500 nm ?
68. ### physics

How much work must be done on a 8.0 kg ball to give it a velocity of 36 m/s?
69. ### Physics

What is the energy released in the fusion reaction: 2H+2H--> 4He + Q? How do I calculate this?
70. ### physics

Part C Calculate (in MeV ) the total binding energy for 40 Ca .
71. ### physics

What is the maximum acceleration of a platform that oscillates with an amplitude of 3.1 cm at a frequency of 8.0 Hz?
72. ### physics

how much work can a 500 W electric mixer do in 2.50 min?
73. ### Physics

What is the magnitude of the earth's gravitational field at sea level?
74. ### physics

What is a car average acceleration if it slows down from 22ms to 15.7 m/s in 2.15 s?

76. ### physics

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

does the flame of gas stove emit light?explain
78. ### Physics

What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?
79. ### physics

What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?
80. ### Physics

How can one solve this equation for t? Y = 1.3 + 18.8 t - (g/2) t^2 = 0 (Assume g = 9.8 m/s^2, the value on Earth)
81. ### physics

assign units and determine net forces in a situation.
82. ### physics

An sky object accelerates at 2m/s calculate the acting force on it
83. ### physics

what is the mass of a car that weighs 60 000 Newtons on the moon?
84. ### Physics

Can you think of any ways to measure instantaneous speed directly?
85. ### physics

what happens when a liquid is being heated at its boiling point?
86. ### physics

it takes 14 seconds for a runner to go from 5m/s to 19m/s? how do you calucate acceleration
87. ### physics

you drive a car for 2.0 h at 40km/h, then for another 2.0 h at 60km/h. what is your average velocity?
88. ### science (physics)

five examples of potential energy with diagram
89. ### physics

what is the value of weight of a body of 10kg at the pole and equator ?
90. ### physics

What is the average acceleration (in km/h2) of the bus for the entire 3.5-h period? Point A = (32,1) B = (46, 2.25) C = (38, 3.5)
91. ### physics

What is the weight of a 12 kg mass on the moon if the gravitational acceleration (g) was only .8 m/s/s?
92. ### physics

A train has a velocity of 72km/h. How far does it travelled in 1/2minutes
93. ### physics

in electrolysis how is conductivity affected by the molecular mass of the solution
94. ### physics

How many joules of potential energy does a 1.5 kg book gain when it is elevated 4.2 m?
95. ### physics

how much force is needed to accelerate a 1800 kg car 3m/s 2
96. ### Physics

If the angle decreases what will happen to the tension? Please explain why.
97. ### physics

how fast can a 125N force accelarate a12 Kg. object?
98. ### physics

Calculate the weight (in English units) of a 2300 kg tiger.
99. ### physics

is there any gravitational force existent between charged objects?
100. ### physics

Find the density of a 4.2- kg solid cylinder that is 13 cm tall with a radius of 5.0 cm.