Math/Physics

210,322 results, page 31

Physics

What does it mean to have a 99.1% experimental uncertainty or percent deviation

physics

Full explanation of transverse wave with sutable example

physics

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

physics

Find the displacement of the car after 5.9 s. Answer in units of m

Physics

A car accelerates from rest to 90km/h in 10 seconds.What is its acceleration in m/s2?

Chemistry Physics

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?

physics

44 foot skid from a jeep cherokee, how fast was it traveling.

physics

the input to a 93.33 efficient belt drive system is 75 kw. what is the output ?

physics

with what speed does a hammer dropped from a height of 23 m strike the ground?

physics

a force of 20 n acts on a 5 kg block. calculate the acceleration of the object.

Physics

What air temperature will feel four times as warm as 0 °F?

physics

How does a “pop bottle” rocket use the principles of motion

physics

explain the terms uniform acceleration and average speed.

Physics

how much work is done to drag a 25kg sled 80m?

physics

what is the power if it takes 11s to drag the sled 80m?

physics

find the resultant force 10N and 20N acting at 30¡ã

physics

calculate the work done in lifting a 300 N weight to a height of 10 m.

physics

isolate for t s = ut + 1/2at^2 please show all ur steps  

Physics

The volume of a block of lead that has a mass of 33.6g would have to be?

physics

what will be the young's modulus of copper wire pf length 0.15 m and radius 0.2 cm

Physics

Which best explains why openness is important to the progress of science?

Physics

How far does water travel if you restrict the hose opening by 80%

physics

Why the blood pressre in human greater at the feet than in the brain?

physics

How many joules of energy are required to melt 80g of silver.

physics

What is the acceleration (in m/s^2) of a vehicle that changes its velocity from 85 km/h to a dead stop in 13 s?

Physics

The ratio of velocities of sound in hydrogen and oxygen at stp is???

Physics

what is the northwest and eastward components of a 550 kph velocity?

physics

a plane travelling at 200.0m/s braked to a stop in 6.2s. what was its acceleration?

Physics

What is the change in velocity (in m/s) if an impulse of 225 N acts on a 4.5 kg mass for 3.0 s?

PHYSICS

Why are cars made with bumpers that can be pushed in during a crash?

physics

Vector B~ has x, y, and z components of 9.6, 6, and 8.5 units, respectively. Calculate the magnitude of B~ .

physics

what is the pressure on the bottom of an aquarium 0.3 m deep filled with water

physics

Calculate the energy absorbed when 8.5g of ice is melted at 0 celsius

Physics

What effect does the normal force have on the coefficients of friction?

PHYSICS

Write down the ORDER OF MAGNITUDE for the numbers given: a)4.72*10^-7 b)8.65*10^4 C)7.59*10^-5

Physics I

What is the torque produced by a force of 40N j applied at the point 2 m i - 5 m j + 3 m k?

physics

what do you think will happen if a blackhole and a whitehole are close to each other

Physics

If 7.20 kg of ice at -5.00°C is added to 12.0 kg of water at 30°C, compute the final temperature.

Physics

Three vectors A,B and C have the following x and y components Ax = 3.6, Ay=-3.4; Bx=-5.5, By=1.9; Cx=2.5, Cy=3.4 What is the magnitude of A+B+C?

Physics

Find the pressure at the bottom of a swimming pool that is 1.1 m deep.

physics

what is the acceleration of a car going 25m/s on a cloverleaf with a radius of 45 m?

physics

Calculate the Specific Gravity of an object that sinks in water if m = 21.97 g and mA = 17.40 g.

Physics

If I use 1.013x10^5 instead of given 101kpa....is it wrong?

Physics

Why we have to know refractive index and can use this in normal life?

Physics 1st

What will be apparent length of a rod 1m long moving with 0.7c

physics

At a distance of 2.0 m. from a +8.0 x 10^-6 C charge, the magnitude and direction of the electric field will be?

Physics

is electric field intensity the same as potential difference?

Physics

Show that the function y(x,t) = X^2+V^2t^2 is a solution of the general wave equation.

PHYSICS

Do the mass of a body determine the gravity they possess(sun)

physics

find a unit vector parallel to the resultant of vectors : A=2i^+j^-k^& B=3i^-2j^+2k^

Physics

Why are electrons allowed to fall on a crystal plate for diffraction ?

Physics 30

The circuit has two resistors? V= 22V R= 27 Komega R=? I= 12mA

physics

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

physics

An astronaut has a mass of 60kg.what is her weight here on earth

physics

a car starts from rest and accelerates at 6m/s^2.how far does it travel in 3s?

physics

How does a vaccum flask minimize heat change with surrounding

Physics

An electric field with constant magnitude and direction is said to be?

physics

What are the charges on and the potential difference across each capacitor in the figure if V = 13.2 V?

Physics

A man walks 3km E and then 4km N. What is his resultant displacement?

Physics HW Plz help

What is the frequency of a blue light with a wavelength of 487nm?

physics

what is the heat capacity of a gold ring that has a mass of 7.00g

physics

prove that I=square root of (I^2avarage). using I=Iosin(wt)

Physics

A streetlight hanging above a road has what type of engrgy?

physics

Which idea did Isaac Newton’s experiments with light support?

Physics

For what values of "a" and "b"will the vectors 2i^_3j^_k^ and ai^+bj^_2k^ be parallel to each other?

PHYSICS

A Car Of Mass 280kg Moving With A Velocity Of 30m/s

Physics

Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV

Physics

Mass=2.20 T=10 Friction=0.400 Determine the acceleration when x=0.400m

physics

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

Honors Physics

How do you determine the mass of fuel in a semi truck?

Physics

Write 2.38x10 to the 6th power in standard notation

Physics

How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?

physics

Does drift velocity depend upon the area of conductor?

physics

What is the kinetic energy of a 15 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?

physics

What is the acceleration of a 10-N freely falling object with no air resistance?

Physics

Joseph drives his car 10 km [E20 °S] then 25 km[N]. What is his total displacement?

Physics

Determine the relative density of a regular shaped object

Physics

When 20 kJ of heat is removed from 1.2 kg of ice originally at -15 C, what is the new temperature?

Ap physics

Determine the mass of the earth from the known period and the distance of the moon

physics

What is the rotational speed of the hour hand on a clock? -----rev/s

physics

What is the rotational speed of the hour hand on a clock? -----rev/s

physics

What is the period (in seconds) of a simple pendulum 62.0 cm. long, on the earth?

Physics

Hi, do you know how angular velocity relates to a "tight spiral" in football?

physics

State the factors that affect the speed and the rotation of the motor

Physics

Describe a vibration that is not periodic. I'm not sure how to answer this! Please help?!

Physics

How long does it take for sound to travel around the world ?

physics

determine the velocity of a charge that push by the 16 volts source

physics

a body of mass 2 kg moving with a speed of 10 m/s find its momentum

Physics

Why the household appliances starts / runs as soon as we switch them on

physics

describe the shape of the graph made and discuss its significance.

physics

Is the motion of the rider for each angle of inclination uniformly accelerated? Why or why not?

Physics

A coil of wire has a resistance of 31.8Ω at 28 °C and 55.6Ω at 53 °C. What is the temperature coefficient of resistivity?

physics

How much positive and negative charge is there in a cup of water

modern physics

Calculate the commutator [ p, e^ik.x ] where the function e^ik.x may be expanded as: e^ik.x = ∑infinite,n=0 (ik.x^n/n!)

physics

from newton's second law of motion derive the formulae F=ma

physics

What is the energy of a photon of yellow light with a frequency of 5.14 × 1014 Hz?

Physics

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

Physics

What is the polar notation for a vector that points from the origin to the point (0,5.00) ?

physics

if the velocity of wave is 0.15m/s and the frequency is 20Hz, what is the wavelength?

Physics

Name five distinct disciplines of physical sciences

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100