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

80,373 results, page 89
1. ## Physics

In a calorimeter can whose behaves thermally is.if it were equivalent with 40g of water
2. ## physics

it takes 14 seconds for a runner to go from 5m/s to 19m/s? how do you calucate acceleration
3. ## Physics 30

Vectors A) 3.5 cm North B) 4.2 cm West Algebraically subtract B from A(B-A) Whaaaa? Please help
4. ## Physics

How far can a person run in 15minutes if he or she runs at an average of 16km/hr? Thank you
5. ## physics

The slope of the tangent on a position time graph equals what?
6. ## physics

In Harmonic Motion how does the value of g affect the time period of a pendulum?
7. ## 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.
8. ## Physics

How much work is required to lift a 10 kg object above your head (approximately 1.3 m)?
9. ## physics

How much work must be done to stop a 1070 kg car traveling at 111 km/h?
10. ## Physics

An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind?
11. ## physics

a guy walks one lap at 35 miles per hour, what is his velocity?
12. ## 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.
13. ## physics

What is the value of the gravitational acceleration at a height of 2000 km above the surface of the Earth?
14. ## physics (Science)

If a bee flew 27 centimeters in 10 seconds what would its speed be?
15. ## physics

A space vehicle accelerates uniformly from 80 m/s at t = 0 to 165 m/s at t = 10.0 s .How far did it move between t = 2.0 s and t = 6.0 s ?
16. ## physics

I have the energy and frequency of a light source and I need the wavelength and colour. What do I do?
17. ## physics

What current flows when a 40 v potential difference is imposed across a 1.8 kÙ resistor?
18. ## Physics

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

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in
20. ## Physics 1st

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

Two positive charges of 12 µC and 8 µC respectively are 10 cm apart. Find the work done in bringing them 4 cm closer, so that, they are 6 cm apart..
22. ## Physics

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in
23. ## Physics

Can a vector have a component equal to zero and still have a nonzero magnitude? Explain.
24. ## physics

the tension in the wire is decreased by 19%. The percentage decrease in the frequency will be?
25. ## 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?
26. ## Physics

Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV
27. ## Physics

How is time peroid the reciprocal of frequency? Plz explain
28. ## physics

if 8.96dm of CO is produced at STP -how many moles of CaCO3 have reacted
29. ## physics

How much kinetic energy does a 0.03 kg bullet traveling at a speed of 300 m/s have?
30. ## physics

At what temperature do the molecules of nitrogen gas have an rms speed of 35 ?

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

1. Which of the following is the fastest speed? Show your working. (a) 60 km/h (b) 15 m/s (c) 1.1 km/min
33. ## physics

What,is,the,weight,of,150lb,person,in,newtons?,What,is,his,mass,in,kilograms?
34. ## Physics

A soap bubble is given negative charge, what will happen it the radius and why?
35. ## physics

if the initial velocity is .05 m/s and its final is 1.3 m/s then how much energy is lost to friction
36. ## Physics

Show that Keplar's third law works for each of the terrestrial planets?
37. ## Physics

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

calculate the distance co verb for an object of mass20kg and force600n
39. ## physics

find the kinetic energy of an 8kg mass moving at 5m/s
40. ## physics

calculate the electrostatic force between charges of -2.4 µC and +5.3 µC, placed 58cm apart in a vaccum.
41. ## Physics

How many calories it take to elevate the temperature of 10 gr of water-from 26C to 50C?
42. ## Physics

Give 3 examples of applications of the conservation of angular momentum.
43. ## Physics

Two forces of 5N and 7N respectively act on an object,When will the resultand of the two vectors be at max?
44. ## PHYSICS

IS IT BETTER TO PUSH A GROCERY CART FROM THE BACK,OR TO PULL IT FROM THE FRONT.
45. ## Applied Physics

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

what is the kinetic energy of a bear with a mass of 65 Kg and running at a speed of 20 m/s ?
47. ## physics

Why air pressure in a car tyre increases during driving?
48. ## Physics

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

How can elements with low atomic numbers have so many spectral lines?
50. ## physics

all electric charges are multiples of the charge on an electron, or atom?
51. ## physics

A 2.32 kg book is dropped from a height of +3.7 m. a.) What is its acceleration? b.) What is its weight in newtons?
52. ## physics

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

a freight train has two engines, each with a mass of 50,000 kg. pulling
54. ## physics

how much negative work is done by friction on a 2000-kg car if you slow down from 20 m/s to 10 m/s?
55. ## physics

How much work must be done in stopping a 3,000 kg truck traveling at 60 mph?
56. ## physics

according to the statement given what is the magnitude of the velocity of the rock just before it strikes the ground
57. ## physics

Explain the term uniform acceleration and average speed
58. ## Physics

Problem2-AFor A=-I+2j +5k and B=2j-3k,find: a) The dot productA.B b) The angle between the A and B
59. ## physics

Two charged spheres are 8.00 apart. They are moved, and the force on each of them is found to have been tripled
60. ## Physics

What does wave interference have to do with the electron energy levels in an atom?

62. ## physics

An isotope of iodine is I-126.how many protons, neutrons &electrons does it have
63. ## Physics

A charge q is placed at h distance from the base of centre . Find the flux ?
64. ## physics

How much time is required for sound to travel 1.4 km through air if the temperature is 30.0 c
65. ## physics

if a ball is thrown into the air at a speed of 22 m/s what is its position after 2.8 seconds?
66. ## physics

What are the 3 primary subatomic particular? What is the charge on each? where in the atom is each particle located?
67. ## Physics

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

A gas occupies 8 litres at 23'C and 70cmHg what is the volume at stp
69. ## Physics

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

calculate the uncertainty of the coefficient of friction. avg. ì=.574
71. ## physics

A velocity vector 33{\rm ^{\circ}} below the positive x-axis has a y-component of -14{\rm m/s} .
72. ## physics

A bike travels at a constant speed of 4.0 m/s for 5.0 s. How far does it go? GIVEN: V = 4.0 m/s t = 5.0 s Would you use this equation? D= Vit + 1/2 at^2
73. ## physics 1

what is the peiod of vibrating object which an acceleration of 8.0m/s .when its displacement is 1.0m?what should be the answer?
74. ## Physics

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

Why do objects gain mass while approaching the speed of light
76. ## Physics

How much impulse is given to a 25 kg train car that is accelerated from rest to 12 m/s in 4 sec?
77. ## Physics

Calculate the de Broglie wavelength of a proton moving at 5.50x10^5 m/s.
78. ## physics

find energy of a single photon of light when you have 5.4*10^12 hertz.
79. ## physics

why it is easier to tear a paper towel off a full roll than a mostly used one?
80. ## Physics

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

what is tangential velocity of the earth as it travels in its orbit around the sun?
82. ## physics

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

where are the incident and refracted rays located in relation to the normal
84. ## 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?
85. ## physics

a 4kg bird is flying with a velocity of 4m/s2. what is the kinetic energy?
86. ## physics

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

What is the work done by a crane that lifts a 1,200kg object 30m?
88. ## Physics

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

if a 1 kg rock is thrown at a speed of 20m/s, how much kinetic energy does it have?
90. ## physics#30

Why dosen't a transformer work with direct current? why is ac required?
91. ## physics

The Earth moves toward you through what distance? (Assume the seat is 45.0 cm high.)
92. ## physics

With acceleration of 2500 m/s2, how long will it take to rreach speed of light
93. ## Biology

This is to do with genetics and drosophila. There are 3 pairs of characteristics - body colour, eye colour and wing length. The parents are all from pure-breeding lines. First Cross P1: male-grey body, normal wings female-black body, vestigial wings F1:
94. ## biology

This is to do with genetics and drosophila. There are 3 pairs of characteristics - body colour, eye colour and wing length. The parents are all from pure-breeding lines. First Cross P1: male-grey body, normal wings female-black body, vestigial wings F1:
95. ## Language Arts

10 MS. SMITH: [glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper] Yes, OK. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the
96. ## no school

I need to describe a disorder and detail the current trends in diagnosis and treatment for the disorder. Some ideas: Rabies - http://www.google.com/search?q=rabies&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Polio -
97. ## PHYSICS

ADDITIONAL INO ADDED AT BOTTOM a spectator at a hockey game is sitting in a seat situated 10.4m above ground leve. if the spectator has a mass of 52.6 kg, calculate her gravitational potential energy relative to: a)ground level Eg=mgh =52.6X9.8X10.4
98. ## bobpursley

ok im doing my physics homework and we have to submit the answers online. i keep getting these questions wrong and i only have one more try can someone please tell me how to work it? a 2.5 kg otter starts from rest at the top of a muddy incline 94.6 cm
99. ## Fallacy

My assignment is to find fallacies in a newspaper editorial and a opinion magazine. I am having trouble understanding what a fallacy is. I know that it is a false or misleading argument. I am not understanding how to detect fallacy. Everything I read
100. ## Physics Newton law

A 10O0Kg elevator is hoisted upward from rest by a cable. In the first two seconds there is an 1100N tension force in the cable hoisting the elevator. What is the speed after two seconds and how far has it travelled ? Get the acceleration first. Tension=mg