# Physics!

74,480 results, page 98

1. ### Physics

How do I find Period T(s) and Period^2 T^2 (s^2) given mass(kg) = 0.1 and Average time for ten vibrations (s) = 5.05?
2. ### physics

George has a large circular table with a circumference of 18 feet.what is the approximate area of the table?
3. ### physics

the density of gold is 19.3 x 10^3, what buoyant force does a .60-kg gold crown experience when it is immersed in water?
4. ### Physics

How do I find Period T(s) and Period^2 T^2 (s^2), given mass(kg) = 0.1 and Average time for ten vibrations (s) = 5.05?
5. ### physics

find the density of a metal ball weighs 1.8kg. volume of ball is 250cc??
6. ### physics

My question is in the link below: img828.imageshack.us/img828/7386/physicsch3581.png
7. ### physics

Does the resonance position change as the length of the tube changes, for example a longer tube?
8. ### physics

if you have an object of mass 5.4 g and volme 2.7 cm3 would the object float in water
9. ### physics

A typical smaall laser has a power of 0.5mW= 5*10^-4J/s. How many photons are emitted each second by the laser?
10. ### physics

A vector has a magnitude of 18.2 cm and makes an angle of 129.0° with the positive x-axis. What are the x- and y-components of this vector
11. ### physics

If an object takes 2.75 seconds to move twenty feet how fast is the object moving?
12. ### Physics

A 1.5 uF capacitor is connected to a 9.0 V battery. Use PE=1/2C(change in V)^2 to find the energy stored in the capacitor.
13. ### physics

An object accelerates from 5.0 m/s to 100m/s. If the object traveled 250 m during this time, what was the acceleration?
14. ### physics

A car goes at a constant velocity of 15 m/sec for 4 seconds. How far does the car go in that time?
15. ### physics

a bus takes 8 hours to cover a distance of 320km what is the average speed of the bus?
16. ### Physics

example that show the # part of distance and the # part of displacement can be different for the same motion
17. ### Physics

A crate with a total mass of 50 kg is initially at rest on a level floor.What is the weight of the crate?
18. ### physics

Whats the force of attraction between a 15.0kg box and a 63.0kg person if they are 3.45 apart?
19. ### physics

You hit someone with a force of 173N. How much force is exerted on you? Answer in units of N.
20. ### physics

A mosquito inside a car is not hit by the back wall when the car starts moving.Why?
21. ### physics

X horsepower is equal an 20lb. Object traveling at 90mph. Is it possible to solve for X? and if so, what does X equal?
22. ### physics

the change in velocity of a car that starts at rest and has a final velocity of 20m/s north
23. ### maths/physics

A rubber ball weighs 49 N. What is the acceleration of the ball if an upward force of 69 N is applied?
24. ### physics

FIND THE SLOPE OF A LINE PERPENDICULAR TO THE LINE THAT PASSES THROUGH THE FOLLOWING POINTS (3,9) AND (7,15)
25. ### physics

A mass of 5.25-kg was dropped from a height of 31 m. How much time does it take for the mass to reach the ground?
26. ### Physics

A 90 kg skydiver moving at terminal speed falls 76 m in 1.03 s. What power in kW is the skydiver expending on the air?
27. ### physics

Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
28. ### physics

Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
29. ### Physics

Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
30. ### physics

you throw 2 balls at a bunch of pins. is it better to throw a putty or rubber ball?
31. ### physics

A 0.730 kg particle has a speed of 3.00 m/s at point A and kinetic energy of 7.40 J at B. What is its speed at B? Answer in units of m/s.
32. ### physics

What can you say about the direction of the resultant force on the plane as a jet plane lands?
33. ### Physics

Iron has a density of 7.9g/cm^3, what is the mass in kg of an iron statue that has a volume of the bottle in cubic meters?
34. ### physics

A helicopter is rising at 5.2 m/s when a bag of its cargo is dropped. The bag falls for 2.5 s. what is the bags velocity
35. ### physics

A car accelerates from rest at a constant rate of 2.2 m/s2 for 6.9 s. How far does the car travel in this time?
36. ### physics

A rolling ball moves from x1 = 3.2 cm to x2 = -4.4 cm during the time from t1 = 3.4 sec to t2 = 6.2 sec. What is its average velocity?
37. ### physics

A vector representing 140 N is oriented at 42◦ with the horizontal. What is the magnitude of its horizontal component?
38. ### physics

A child lifts a 5.0-newton toy to a height of 0.50 meters. How much work is done on the toy?
39. ### physics

an atv with a velocity of 22m/s is accelerated uniformly at the rate of 2m/s squared for 5s. What is it's finaly velocity?
40. ### physics

a ball takes 22 seconds to reach the ground from a height.calculate from what height it dropped?.
41. ### physics

If an automobile engine delivers 46.0 hp of power, how much time will it take for the engine to do 5.30 x 10^5 J of work?
42. ### physics.pls help

Why is it important to asaume that a rope under tension is taut and does not stretch. pls help
43. ### Physics

Estimate the density of the water 6.0 deep in the sea. By what fraction does it differ from the density at the surface?
44. ### Physics

A fleck moving horizontally to the right at 2.5 m/s begins to accelerate downward at 0.75 m/s2 . Where is the fleck 4.0 s later?
45. ### Physics

A projectile was launched 64° above the horizontal, attaining a height of 10 m. What is the projectile's initial speed?
46. ### physics

A 3.03 kg briefcase is sitting at rest on a level ﬂoor. The acceleration of gravity is 9.81 m/s 2 . a) What is its acceleration?
47. ### physics

Three capacitors with C1=C2=C3= 10.00 uF are connected to battery with voltage V= 194 V. What is the voltage across capacitor C1
48. ### physics

if a moving body changes its velocity from 30m/s to 15m/s the body's motion becomes?
49. ### physics

Suppose a rocket launches with an acceleration of 39 m/s2. What is the apparent weight of an 90 kg astronaut aboard this rocket?
50. ### Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
51. ### Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
52. ### Physics

An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?
53. ### physics

a man is running on a circular track of radiur 4 m with a speed of 10ms-1.its angular speed is?
54. ### Physics

a car traveling at 13 m/s^2 for 8.00 seconds. what is the distance the car travels? show all work
55. ### physics

if the force of friction on a sliding scaleis 25n the force to maintain the constant velocity is
56. ### physics

An ice skater glides around a rink at a constant speed of 2 m/s. Is the skater accelerating?
57. ### physics

A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?
58. ### physics

A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?
59. ### physics

A gas expands at constant pressure from 6.25 L at 13.1°C until the volume is 7.25 L. What is the final temperature (in K) of the gas?
60. ### Physics

You push with a force of 22.5 N on a loaded shopping cart that has a total mass of 80 kg. What is the acceleration of the cart?
61. ### physics

a copper cylinder 1.50 m long and 40.0 cm in diameter stands on one end.what is the mass of the cylinder?
62. ### Physics

Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
63. ### Physics

Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
64. ### physics

A car is traveling at Vx =20 m/s. The driver applies the brakes, and the car slows with ax = -4m/s^2. What is the stopping distance
65. ### Physics

A force of 1000 N is applied to a 1200 kg car. If the coefficient of friction is 0.04, what is the car's acceleration?
66. ### physics

A kangaroo jumps to a vertical height of 242 cm. How long (in seconds) was the kangaroo in the air?
67. ### Physics

A basketball is released from a height of 3m onto a hard surface. What height will the ball rebound to and why ?
68. ### physics

An engine draws water from a depth of 10 m from earth at aspeed of 2m/s at arate of 10 kg/10 s. What is the power of the engine?
69. ### physics

how does increasing the height of a ramp affect how far a ball rolls down the ramp?
70. ### Physics i.e science

Explain why sharpening grass knives help to ease the effort in cutting grass.

72. ### Physics

Why do electric field lines begin on positive charges and end on negative charges?
73. ### Physics

A 10 g particle is moving to the left at 20 m/s. How much work must be done on the particle to cause it to move to the right at 46 m/s?

75. ### Physics

A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?
76. ### physics

Find the gravitational force exerted by a 0.515 kg mass on a 0.108 kg mass 1.94 m away.
77. ### physics

A mass of 1000kg is released from a height of 10m.with what energy will it strike the floor?(g=10m/s/s)
78. ### physics

if the force applied perpendicularly on a given surface is applied on a small area then pressure is?
79. ### physics

Light passes from medium 1 to medium 2 where n1>n2. a)Sketch the incident reflected and refracted rays.
80. ### Physics

A ball is throwing downward with an initial velocity of 10 m/sec. If the final velocity is 20 m/s, what is the time?
81. ### Physics

How far above the surface of Earth would you weigh 63.6 percent of your surface weight?
82. ### Physics

A boat has a velocity of 27.5 m/s [S30W]. 34 s later it had a velocity of 24.0 m/s [E66S]. What was its average acceleration?
83. ### Physics

Bryant is fired from a cannon with an initial speed of 14 m/s. If his mass is 80 kg what is his initial kinetic energy?
84. ### Physics

A mass of .27 kg is attached to a spring and is set into vibration with a period of .39s.what is the spring?
85. ### physics

Find the mass of 0 degree C ice that 15 g of 100 degree Csteam will completely melt.
86. ### physics

What are two general types of energy that can be used to classify many forms of energy? Can someone help
87. ### physics

both chloroplasts and mitochondria are like in that they both have_______ membranes and their own _____.
88. ### PHYSICS

An electron is located on a pinpoint having a diameter of 2.04 µm. What is the minimum uncertainty in the speed of the electron?
89. ### PHYSICS

You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
90. ### Physics

You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
91. ### physics

What beat frequencies are possible with tuning forks of frequencies 258, 263, and 267 Hz?
92. ### Physics

A baseball is hit with a horizontal speed of 22 m/s and a vertical speed of 14 m/s upward. What are these speeds 1 s later?
93. ### physics

what has more inertia?a basketball sitting on the floor or a basketball which has just been shot at
94. ### Calculus / a bit of physics

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
95. ### Physics

What happens to the total circuit resistance when more devices are added to a series circuit?
96. ### Physics

Calculate the force between a +5 µC test point charge and this source charge at a distance of 2.00 cm. (µC = 1.0 × 10–6 C)
97. ### physics

e1205[dot]hizliresim[dot]com/x/z/78wcx.png can anyone look at it please
98. ### physics

a 0.20 kg mass is attached to the end of a spring causes it to stretch 3cm. what is the spring constant?
99. ### physics

If a force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object undergoes. ________m/s(squared)
100. ### Physics

If you know that the period of a pendulum is 1.87sec. What is the length of that pendulum? (gravity 9.81m/sec squared)