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

80,008 results, page 86

1. ### science

How do the principles of physics and chemistry both come into play when developing new materials?
2. ### Physics

How much force is required to accelerate 7.0 g object at 11000 "g's" in a centrifuge?
3. ### Physics

A swordfish swims at 2.46km/h.How far has the fish traveled after 2050s?
4. ### physics

derive the formula v0=sqrt((deltaX)squared)*g)/2*deltaY
5. ### science

How do the principles of physics and chemistry both come into play when developing new materials
6. ### 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
7. ### Physics

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

If a ball hits a wall going 10 m/s, and bounces off going 7 m/s. What is the coefficient of restitution?
9. ### physics

A 12 V battery will increase the potential energy of 2.1 C of charge by how many joules?
10. ### physics

can a mechanical advantage of a simple machine be les than 1? explain
11. ### physics

what speed must you toss a ball straight up so it takes 2s to return to you
12. ### 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?
13. ### physics

If the speed of an object is doubled its kinetic energy is multiplied by
14. ### physics

Why can't you put your heels firmly against a wall and then bend over without falling?
15. ### physics

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

How long does it take a vehicle with 40hp to achieve 25m/s(meters per second)?
17. ### physics

What is the energy of a photon of yellow light with a frequency of 5.14 Ã— 1014 Hz?
18. ### Physics

If you had to straighten out a refracted ray that went through a lens with a focal length of +15 cm, what could you do?
19. ### Physics

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
20. ### physics

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

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
22. ### physics

when a car drives off a cliff why does it ratate forward as it falls?
23. ### Physics

When is your weight normal, higher, or lower while moving up and down in an elevator?
24. ### physics

How will the weight of an 20kg object change if it was in a lift that accelerates downwards at 4m.s-1
25. ### PHYSICS

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much!
26. ### physics

why is the momentum constant if the mango drops from the tree without rebound
27. ### Physics

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

What electromagnetic waves are dangerous for humans and why? I have microwave, xrays....can you help name a few
29. ### physics

how i cld rise the base of a house wd the help f electric circuit
30. ### physics

if you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much
31. ### Physics

If radius = 1.25 when i am swinging a bucket around and around what is the slowest possible speed i can go without it spilling?
32. ### Physics

What is the period of a wave that travels through a spring at 2.5 m/s and has a wavelength of 1.3 meters?
33. ### Physics

How does the length, thickness, and temperature of a wire effect the resistance?
34. ### Physics

What is the power output of an engine the does 60,000J of work in 10s?
35. ### physics

claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?
36. ### Physics

How much energy is deposited in the body of a 78 kg adult exposed to a 2.9 Gy dose? Please and thank you.
37. ### physics

What happens to the gravitational energy of a firefighter when he slides down the fire pole?
38. ### Math Physics

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

Find the modulus direction cosin unit vector 1) 4a-2b+3c (2) a-7b+5c (3)4a-3b+c
40. ### physics

differentiate between law of paralleogram and resolution of component of force.
41. ### physics

A car accelerates from rest at 7.9 m/s2. How much time does it need to attain a speed of 5 m/s?
42. ### physics

Which of the following sets of forces acting simultaneously on a particle keep it in equilibrium?
43. ### physics

A nail is dropped from a height of 400m. How long does it take to land?
44. ### 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?
45. ### Physics

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

T.E of e in excited state is E . WHAT IS KINETIC ENERGY with proper sign
47. ### physics

pls show answers and work with the questions i have posted.
48. ### physics

claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?
49. ### Physics

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

Two identical charges are 36 mm apart. The electrostatic force between them is 1.3 N. What is the size of each charge?
51. ### physics

A 1 kg block drops from a table and accelerates towards the floor at 10 m/s2. What is the force?
52. ### Physics

If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h
53. ### physics

what is the value of electric field intesity at a point between two co centric sphere
54. ### physics

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

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

if the earth exerts a force 300n how much does the body weigh?

58. ### Physics

Two forsec of 5N and 7N act on an object. What are the maximum and minimum of the two forces
59. ### physics

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

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

What is the average useful power output of a person who does 5.90×106 J of useful work in 7.90 h?
62. ### physics

Which is the vector quantity that describes the shortest path between two points?
63. ### Physics

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

Determine the relative density of a regular shaped object
65. ### Physics

Find out the resultant of two forces of 4N and 7N acting at an angle of 140°
66. ### Physics

Describe how the range of a projectile varies with launch angle.
67. ### physics

A 31-m/s velocity vector that makes an angle of 44° counterclockwise from the -x direction. x: y:
68. ### 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
69. ### Physics

Find the modulus direction cosin unit vector 1)4a-2b+3c, 2)a-7b+5c, 3)4a-3b+c.
70. ### physics

How do I find the magnitude from this data: theta_1 = 44.9 theta_2 = 146.1 A = 4.8 cm B = 8.7 cm
71. ### physics

what is the resultant of two 65N identical one acting easterly and the northerly
72. ### Physics

Find the density of a 5.8- solid cylinder that is 15 cm tall with a radius of 5.0 .
73. ### physics (Science)

If a bee flew 27 centimeters in 10 seconds what would its speed be?
74. ### science[physics]

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

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

what is the kinetic energy in joules of a 1040-kg automobile traveling at 81 km/h ?
77. ### physics

determine the velocity of a charge that push by the 16 volts source
78. ### Physics

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

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

62m of skid marks and coefficient of .75, how fast was the car going?
81. ### Physics

Two spheres with masses of 5.00 g and 10. kg respectively are .500 m apart. calculate the force of attraction between them.
82. ### Physics

An airplane travels at 880 how long does it take to travel 1.50km
83. ### Physics

What is the Michelson and Morley experiment? Please don't give me Wikipedia
84. ### Physics

With speed 75m/s and period 5.42ms, calculate the wavelength.
85. ### physics

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

why we derive our hands upwards and backwards to catch the ball?
87. ### Health Physics

What type of machine are the joints of the human body?
88. ### Physics

What is the wavelength of a 512 Hz sound wave in 20 degree C air?
89. ### physics

a 3.5 kg bowling ball is 6.5 m above the ground. How much potential energy does it possess?
90. ### Health Physics

When work is done by friction, in what form in energy "lost"?
91. ### Gr 11 Physics Optics Unit

Explain why a virtual image must always be upright.
92. ### Chemistry Physics

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
93. ### Health Physics

What type of machine are the joints of the human body?
94. ### physics

How does the construction of the astro blaster increase GPE? How does this affect the KE?
95. ### physics

How many electrons pass through a lamp in 3 minutes.If the current is 300 ma?
96. ### Physics

What experiment can be used to prove that the value of gravity near the earths surface is constant ie. 9,8m.s
97. ### physics

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

do all electrons ejected from a metal surface have the same kinetic energy?
99. ### physics

Find modulus,Direction cosines,Unit vectors of (1)4a-2b+c,(2)a-7b+5c,(3)4a-3b+c.
100. ### physics

What is the potential energy of something with a mass of 10g on a hill with a height of 5m?