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

79,978 results, page 82

1. ### physics

differentiate between law of paralleogram and resolution of component of force.
2. ### Physics

How much work must be done to stop a 970 kg car traveling at 115 km/h?
3. ### physics

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

How fast would a 4.8 kg object slide down a frictionless incline of 10.3 degrees?
5. ### physics

what is the speed of 1kg object when the kinetic energy is 1 joule
6. ### Physics

Could someone tell me the formula for finding distance when time is given and the acceleration is constant?
7. ### 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?
8. ### physics

Calculate the gravity on a planet using a pendulum that has a period of 2.45 s having a length of 1.25 m.
9. ### physics

If a person runs a marathon 26.4 miles in 2.5 hours, what is his/hers speed?
10. ### physics

there is any peak shift between bulk and nano materials in xrd.
11. ### Physics

How much force is required to accelerate 5kg at 15m/sec?
12. ### physics

How can you explain the caculation of velocity or speed using distance and time?
13. ### physics

what 2 factors determine the size of the force of gravity? & what is the relationship between them?
14. ### physics

Which of the following properties of a ball is conserved as it falls freely in a vacuum?
15. ### physics

what is the power if it takes 11s to drag the sled 80m?
16. ### Physics

Does an object still possess any kinetic or potential energy at absolute zero?
17. ### Physics

What is the mass (in Grams) of a block of aluminum that has a volume of 385 mL
18. ### physics

a frieght train rolls at the same speed but has twice as much mass its momentum is
19. ### physics

a ramp is 0.5m high and has a slope of 4m long.what is the mechanical advantage?
20. ### Physics

the higher the angle the longer an objecg will be in the air , but dose that mean it will go further ?
21. ### Physics

What is the time lapse between seeing the lightning strick and hearing the thunder 17 km away
22. ### Physics

What is the application of simple harmonic motion to our daily lives?
23. ### Physics

Two objects are moving about so that their total momentum is zero. What can be said about their kinetic energy?
24. ### Physics

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

What is the scientific principle involved in unmanned level crossing?
26. ### Physics

8.2 kg of ice is taken from a temperature of -49 C into steam at 123 C. What is the energy used? Q_total =
27. ### physics

Consider a concave mirror with radius R. An upright object is placed in between the interval R/2 and R. R
28. ### physics

When a nucleus emits a beta particle, it's atomic number is ?
29. ### physics

Why the mesaure of the sphere doesn't play a part at the pendulum???
30. ### physics

what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?
31. ### Science

guys, please give me any ideas for a investigatory project in physics ???
32. ### science[physics]

why is the pressure more on ground when a person is walking than when he is standing ?
33. ### Physics

Calculate the magnitude of the potential difference between points a and b in the figure if R1=2.36 Ù, R2=4.29 Ù,and R3=10.08 Ù.
34. ### physics

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

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?
36. ### Physics

2 factors that increase static friction? Could it be weight or the ground?
37. ### Physics

You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?
38. ### physics

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?
39. ### Physics

What is the scientific principle involved in unmanned level crossing?
40. ### Physics

Why is it important to use the maximum force reading from a data collection?
41. ### physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 1.2 Newtons?
42. ### physics

plz tell me in which website can I get free engineering notes for first year B.E?
43. ### physics

The maximum displacement of a vibrating body on either side of its mean position is known as its
44. ### Physics

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

A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?
46. ### physics

Is a current carrying wire electrically charged? Explain.
47. ### physics

find the resultant force 10N and 20N acting at 30¡ã
48. ### physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?
49. ### physics

Calculate the watts equivalent of 22kilocalories consumed in 24 hours
50. ### Physics

When going up stairs does a person who has more mass do more work and exert more power?
51. ### physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?
52. ### Physics

How far apart are a proton and electron if they experience an electric force of 5.10N?
53. ### Physics

Why do citizens have a responsibility to have some basic understanding of nature's rules?
54. ### Physics

In the photoelectric effect, what determines the number of ejected electrons?

A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement?
56. ### Physics

14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long? a. 1.75 m b. 3.5 m c. 5.0 m d. 7.0 m
57. ### Physics

The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R
58. ### Physics

Explain fully one pro and one con of nuclear energ
59. ### Physics

What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
60. ### physics

Discribe the phase change that took place in the solid between the time t1 and t2?
61. ### Physics

Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV
62. ### physics-14

If room temperature is 70 degrees farenheit,what is kelvin?____
63. ### physics

What is an object that is launched into the air and undergoes free fall
64. ### Physics

What are the components of a vector with a magnitude of 4.00 and a direction of -122 degrees?
65. ### Physics

If a man walks 4 km east and then 5 km south. How far is he from the point where he started?
66. ### physics

Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?
67. ### Physics

The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R

How much time does it take a pulse of light to travel through 120 m of water?
69. ### Physics

How do you calculate the phase constant in degrees given amplitude and frequency?
70. ### University, Physics

Derive the error in equation: T1/2 = 1n(2)/lambda solve for T

When the object is placed beyond 2f, where should you put your eyes for getting the clear image of it?
72. ### physics

The rate at which distance changes in a time period is called acceleration

How much power is generated by a 90 kg sprinter that accelerates up to 9.0 m/s in 2.8 seconds?
74. ### physics

an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?
75. ### physics

What happens to the gravitational energy of a firefighter when he slides down the fire poles?
76. ### 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?
77. ### college physics

the question is that what happened when the ozone layer becomes destroyed?
78. ### 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.
79. ### physics

if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I
80. ### Physics

What is the electric force of attraction between charges of 3 C and -4 C separated by a distance of 2 m?
81. ### Physics

By what distance must two charges of +2 C and +4 C be separated so that the repulsive force between them is 4.10 1010 N?
82. ### Physics & Calc

Derive the stationary target equations: v1 = [(m1-m2)/(m1+m2)]v1 v2 = [(2m1)/(m1 + m2)] v1
83. ### physics

describe how the values of resisitivity determine the uses of material in industry ???
84. ### Physics 1st

What will be apparent length of a rod 1m long moving with 0.7c
85. ### physics

if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I
86. ### physics

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

Distance travelled by a ball dropped from a cliff in the 10th second.
88. ### Physics

At what distance from the earth's surface will a mass of 40.0 kg be just 385.0 in weight?
89. ### physics

Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?
90. ### Physics

When projectile angle is 45°what is the relation between maximum height and range
91. ### Physics College

What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s?
92. ### physics

some rocks melt at 1800farenheit. what is the temperature in the celsius scale ?
93. ### PHYSICS

A Car Of Mass 280kg Moving With A Velocity Of 30m/s
94. ### Physics

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

An electron and a proton are traveling at the same speed. Which one has the longer wavelength?
96. ### physics

If jon has a weight of 645N what is his mass? I have to do this using the GUESS METHOD
97. ### Physics 2

If water at 0 oC is heated, it actually decreases in volume until it reaches Select one: a. 1 oC. b. 2 oC. c. 3 oC. d. 4 oC. e. 5 oC.
98. ### Physics

A car traveling at 5.0 m/s accelerates at the rate of 0.8 m/s2 for an interval of 3.0 s. Find vf.
99. ### physics

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

a race car accelerates from rest at +7.2 m/s^2 for 4.5 s. How fast will it be going at the of that time ??