# physics( i have no idea how to go about gettign th

79,978 results, page 96

1. ### physics

What is the mass of an object that requires a force of 65N to accelarate it at a rate of 13 m/s2?
2. ### physics

A pendulum is 1.0 m long and is drawn aside 30.0* and let go. Find the velocity at the lowest point.
3. ### Physics

A ball thrown downward with an initial velocity of 20m/s.what will be itsvelocity after 5s
4. ### physics

If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 66 cm 18 cm 15 cm, what would its mass be
5. ### physics

An electron travels 7.63 m in 7.33 × 10−8 s. How fast does it travel? Answer in units of cm/s
6. ### physics

what is the importance/significance of calculating the magnetic flux density of a solenoid?

8. ### physics

explain why a child on a swing comes to rest directly below the top of the swinng
9. ### physics

how do you find the verticle component of velocity of a projectile just as it strikes the ground?
10. ### physics

What is the wavelength associated with a golf ball of mass 45 g driven off the tee with a velocity of 30 ms-1.
11. ### physics

Explain how the pitch of the roaring sound relates to the length of the tube.
12. ### physics

if a wooden beam is 30 x 20 x 500 cm. and has a mass of 150 kg. what is the density of the wood
13. ### Physics

Acoustics. How do engineers design buildings to reduce noise pollution?
14. ### Physics

Determine the x-intercepts of the polynomial function y=-6(x+7)^4 + 5. Round to two decimal places, if necessary.
15. ### physics

Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
16. ### physics

The x-component of an electric field vector E = (200 N/C, 45 deg) is ___N/C.
17. ### Physics

Describe how you can determine the specific heat of an unknown metal whose mass is known.
18. ### physics

A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?
19. ### physics

If a wheel 211 cm in diameter takes 2.25 s for each revolution, find its period. T=?s
20. ### Physics

Describe how surface area and volume are related in solids? Give an example.
21. ### Physics

we have to transpose the following equation to find p, but I don't quite understand how to come up with the correct answer: x^2/p^2 + y^2/q^2 = 1 Appreciate help, thanks
22. ### physics

How many minutes would it take a radio wave to travel from the planet Venus to earth?
23. ### Physics

How can you demonstrate that water is denser than ice without weighing them? What is the principle involved?
24. ### Physics

How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?
26. ### physics

calculate the de-broglie wvelenth of the electron orbitting in the n=2 of hydrogen atom
27. ### physics

5. An object that has kinetic energy must have A) momentum. B) acceleration. C) a force applied to it. D) All of these. E) None of these.
28. ### Physics

calculate K.E in Joules of a baseball w/ a mass of 237.2 cg moving at 85.00 mph
29. ### Physics

Equation y=5 sin(3x-4) determine the freguency,speed,period of waves
30. ### Physics

A charge q1=7.8x10^-6 C is placed at the origin. q2=-3.4x10^-6 C is placed at y=-1 m, x=2 m. q3=-9.2x10^-6 C is placed at y=4 m. What is the total force on q1? On q3?
31. ### physics

a 1200 kg car goes from 15m/s in 16s. What is the average force acting on it?
32. ### To drwls

I posted some Physics questions yesterday, but no one got the chance to look at them, so can u please go to 2nd page and look through them.
33. ### physics

5. An object that has kinetic energy must have A) momentum. B) acceleration. C) a force applied to it. D) All of these. E) None of these.
34. ### physics

A 87-g ice cube at 0°C is placed in 886 g of water at 28°C. What is the final temperature of the mixture?
35. ### physics

For non-conservative forces, the work done does depend upon the path taken. True or False?
36. ### physics

What is the effect of increasing the inclination of the track to the acceleration of the rider in the experiment?
37. ### physics

a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel
38. ### physics

a year ago she measured 98cm from her tree . now it 1.1m tall how much has it grown
39. ### physics

what is net force acting on the ball after attaning terminal velosity?

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?
41. ### Physics

A ball rolls off the edge of a balcony at 8.0 m/s. Find its speed after 3.8 s in the air. Use g = 10. m/s2
42. ### physics

An object is dropped from a height H. During the final second of its fall, it traverses a distance of 57.8 m. What was H?
43. ### Physics

If the gravitational force between the electron (9.11 ✕ 10-31 kg) and the proton (1.67 ✕ 10-27 kg) in a hydrogen atom is 1.06 ✕ 10-47 N, how far apart are the two particles?
44. ### physics

What is the mass of an object that requires a force of 65N to accelerate it at a rate of 13 m/s2?
45. ### Physics

can anyone give a site that have problems about pressure with solution.. urgently needed.. thanks :)
46. ### physics

A 87-g ice cube at 0°C is placed in 886 g of water at 28°C. What is the final temperature of the mixture?
47. ### Physics

If a car delivers 76.2 hp of power, how much time will it take for the engine to do 5.78e5 J of work?
48. ### Physics

How many kcal of heat are required to vaporize 25.0kg of water at 100°C?
49. ### physics

At what speed should an object be projected to reach the maximum range of 200 m ?
50. ### physics

You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?
51. ### Physics

When a mass is hung from a spring stretches it by 15 cm. What is the period of the oscillations of this system?
52. ### University physics

prove the following rules if True or False using Boolean algebra (a)A+AB = A+B (b)(A+B)(A+C) = A+BC
53. ### physics

If 1g of steam is mixed wid 1g of ice, then what will be the resultant temperature of the mixture?
54. ### physics

Explain how the specific heats of materials are measured using the technique of calorimetry.
55. ### physics

Just wanted to say a quick thanks to Steve and Damon, figured it all out, thanks guys, awsome!!!
56. ### physics

A car travels in a straight line for 4.6 h at a constant speed of 95 km/h . What is its acceleration?
57. ### Science: Physics

A circle graph has labeled segments of 5.7%, 21%, 13, and 6%. What % does the unlabeled segment have?
58. ### Physics

Does the axis system chosen affect the magnitude of potential energy? I say yes
59. ### Physics

The oscillator of a 96.1-MHz FM station has an inductance of 1.8μH. What value must the capacitance be? 1.5e-12 is wrong?
60. ### physics

if you jump upward with a speed of 2mls, how long will it take before you stop rising?

How many current paths are there in a parallel circuit connection?
62. ### physics

A projectile is shot straight up from the earth's surface at a speed of 1.50×104 .
63. ### Physics

A 1400-kg race car can go from 0 to 90km/h in 6.0s . What average power is required to do this?

How many current paths are there in a series circuit connection?
65. ### physics

A 3 kg book is lifted 5 meters above the floor for 250 seconds. What is the work done?
66. ### Physics

What are the components of a vector of magnitude 1.5 m at an angle of 35 degrees from the positive x-axis?
67. ### Physics!

A 40 kg girl runs up a flight of stairs that is 34 m high. How much work does this require?
68. ### physics

What acceleration is produced by a force of 250N acting on a mass of 25KG?
69. ### Physics

How can you prove that acceleration due to gravity is the same in a resting and moving frame?
70. ### AP Physics

A car slows down from 18 m/s to rest in a distance of 91 m. What was its acceleration, assumed constant?
71. ### physics

Liquids exert pressure at Right Angles to the surface of container.Please explain this with an example
72. ### Physics!

How much impulse stops a 46-kg carton sliding at 3.0m/s when it meets a rough surface?
73. ### physics

You throw a ball straight up at 25 m/s. How many seconds elapse before it is traveling downward at 13 m/s?
74. ### Physics

If a ball were to fall off a 180cm table,how fast would it be going halfway to the ground?
75. ### Physics

A body of mass m moves under the influence of force F(r). Given it's trayectory r(t), find F(r).
76. ### Physics

An object has a volume of 4.0m^3 and weighs 40,000 Newtons. What will be its weight in water?
77. ### physics

Which of these two bodies gets its internal heat from nuclear processes? A) Both.B) Sun.C) Neither.D) Earth.
78. ### physics

Determine the net force necessary to give an object with a mass of 2.1 kg an acceleration of 3.5 m/s2.
79. ### physics

You throw a ball straight up at 25 m/s. How many seconds elapse before it is traveling downward at 13 m/s? 1 s
80. ### Physics

What equation gives the velocity as a function of time for an object with constant acceleration?
81. ### Physics

Is there a difference in current between two ciruits if one circuit has the lightbulbs in series while the other one has them in parallel.
82. ### physics

What equation gives the position as a function of time for an object with constant acceleration?
83. ### Physics

I drop an object from a height of 500.0 m. How long does it take to hit the ground?
84. ### physics

How will changing the charge change the electric field strength at a distance?
85. ### Physics! NEED HELP!

A 40 kg girl runs up a flight of stairs that is 34 m high. How much work does this require?
86. ### Physics

What term describes a force that causes an object to move in a circular path?
87. ### Physics

A car traveling at 14 m/s accelerates at 2.11 m/s2 for 14 seconds. To the nearest meter how far does it travel?
88. ### Physics Help!!!

With the energy needed to warm up some amount of water from 26°C to 44°C, how high could you lift it?
89. ### physics

show that in the limit that the radius of the sphere goes to zero to kept the magnetic moment constant
90. ### physics

a suitcase weighs 30 kg wt.everytime i weigh it on a spring balance,the reading is different.WHY?
91. ### Physics check

The spectral lines for elements are sometimes called atomic..... spectra?
92. ### physics

What are four situations where photovoltaic cells would have an advantage over other sources of electric energ?
93. ### physics

why are the lengths of days in spring and autumn the same? if the sun does not set, why is it so cold?
94. ### physics

why when steady state conditions apply the rate of heat flow is the same?
95. ### physics

how much work is required to give n object 450J of kinetic energy?
96. ### physics

how much work is required to give an object 600 J of potential energy?
97. ### Science

Name 3 physical (physics) occurances that happen within a roller coaster ride?
98. ### Physics

How long does it take light traveling from the sun at 3.0 x 10^8 m/s to reach Jupiter, which is 780 x 10^6 km away?
99. ### physics

A certain car can go from 0 to 100 km/h in 10 s. If the engine delivered twice the power to the wheels, how many seconds would it take?
100. ### physics

A storage tank of negligible mass and 30 m high is filled with gasoline