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1. if the magnetic field is 2.1 m from a current carrying wire is 7.1x10^-5 T, what is the current flowing through the wire?2.
1. 4 answers
2. asked by Liz
3. 1,209 views
A light rope is wrapped several times around a large wheel with a radius of 0.435 m. The wheel?A light rope is wrapped several
1. 4 answers
2. asked by BB
3. 3,568 views
1. The fundamental force that: (4 marks)____ 1. causes hair to stand on end after being rubbed by a balloon a) strong nuclear
1. 3 answers
2. asked by Matt Damon
3. 1,502 views
i don't know how to apply formula in physics questions...and tommorow is our periodical examination..Well, it is too late to
1. 1 answer
2. asked by miss sixty
3. 326 views
In Millikan's experiment, an oil drop of radius 1.516 µm and density 0.860 g/cm3 is suspended in chamber C (Figure 22-14) when
1. 3 answers
2. asked by Frank
3. 1,409 views
how would you investigate if the half life of water dripping from a burette is constant? I know the method but what equation and
1. 3 answers
2. asked by Daggeron
3. 806 views
A solid cylinder rolls along the floor. What is the ratio of it's translational kinetic energy to its rotational kinetic energy
1. 2 answers
2. asked by Rachel
3. 589 views
A very narrow beam of white light is incident at 40.40° onto the top surface of a rectangular block of flint glass 11.8 cm
1. 1 answer
2. asked by A very narrow beam of white light is incident at 4
3. 726 views
A 1.0 kg object is suspended from a vertical spring whose spring constant is 105 N/m. The object is pulled straight down by an
1. 2 answers
2. asked by david
3. 614 views
a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero
1. 2 answers
2. asked by Erica L
3. 565 views
A 300 g bird flying along at 6.4 m/s sees a 10 g insect heading straight toward it with a speed of 34 m/s (as measured by an
1. 4 answers
2. asked by falcon306
3. 3,698 views
A gas sample enclosed in a rigid metal container at room temperature 20C has an absolute pressure p_1. The container is immersed
1. 2 answers
2. asked by Catie
3. 667 views
Orville walks 270 m due east. He then continues walking along a straight line, but in a different direction, and stops 230 m
1. 1 answer
2. asked by Shereen
3. 803 views
A particle moving along the y-axis has the potential eneryg function U = 6 * y3 J where y is in m. What is the y-component of
1. 2 answers
2. asked by Me
3. 956 views
Two planets, each with a mass of 4.990E+27 kg, are released from rest some 2.850E+11 m apart. What are their speeds (in m/s) as
1. 1 answer
2. asked by Anonymous
3. 360 views
A skier approaches the base of an icy hill with a speed of 11.6 m/s. The hill slopes upward at 24° above the horizontal.
1. 1 answer
2. asked by Ann
3. 809 views
If a spherical glass marble has a radius of 0.00665 m at 1.02×105 Pa, at what pressure will it have a radius of 0.00650 m?Thank
1. 1 answer
2. asked by Alex
3. 317 views
A wave is described by the equation y = (4.5×10−2) sin (1.9x − 3.2t), where lengths are measured in meters and time in
1. 2 answers
2. asked by Chris
3. 547 views
A 0.50-kg block rests on a horizontal, frictionless surface, it is pressed against a light spring having a spring constant of k
1. 3 answers
2. asked by user
3. 810 views
At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42×105 Pa. What volume does the gas occupy?
1. 1 answer
2. asked by Teresa
3. 391 views
A 5 kg block is pulled from rest along a horizontal surface by a rope with a force of 12 N. It experiences a constant frictional
1. 1 answer
2. asked by arcos15
3. 410 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.What is the magnitude of the force of the first
1. 1 answer
2. asked by arcos15
3. 317 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.What is the magnitude of the force of the first
1. 2 answers
2. asked by arcos15
3. 557 views
You are pushing three equal boxes, 8kg each, with a force of 250 on the first.What is the magnitude of the force of the first
1. 1 answer
2. asked by arcos15
3. 317 views
Two masses m1 = 2 kg and m2 = 4 kg are connected by a light string. Mass m2 is connected to mass M = 14 kg by a string that
1. 2 answers
2. asked by arcos15
3. 985 views
A car travels in a circle whose radius is 31 m, with a speed of 19 m/s.(1) What is the magnitude of the car's acceleration?
1. 1 answer
2. asked by arcos15
3. 651 views
A beetle whose mass is 2 g sits on a turntable at a distance of 12 cm from the center. The turntable is rotating at 33 rpm.(a)
1. 3 answers
2. asked by arcos15
3. 794 views
A 90 kg parachutist in free fall has an acceleration of 6.8 m/s^2. What is the frictional force provided by air resistance when
1. 1 answer
2. asked by Ted
3. 461 views
A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below.
1. 3 answers
2. asked by Mathslover Please help
3. 567 views
You are watching a marching band practice outdoors. Near you are two trumpet players, one marching directly towards you and one
1. 5 answers
2. asked by Mathslover Please help
3. 553 views
The galaxies in the universe are all flying away from each other. The speeds of nearby galaxies are proportional to the distance
1. 1 answer
2. asked by SOmebody
3. 435 views
Fortune tellers use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and
1. 1 answer
2. asked by SOmebody
3. 334 views
Fortune tellers use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and
1. 1 answer
2. asked by SOmebody
3. 819 views
I'm trying to calculate the tension in a rope. The two ropes are holding up a picture frame that is 100N, each rope is at a 45
1. 3 answers
2. asked by unknown
3. 809 views
Let's say you have a plot for Pendulum experiment. Let's assume g for this experiment was measured (from the slope of the plot)
1. 1 answer
2. asked by Anonymous.
3. 459 views
how might life be different if static friction did not exist? give three examples and reference formulas to support your answers
1. 1 answer
2. asked by Liz
3. 471 views
A particle with a charge of -4.0x10^-5 C, a mass of 2.0x10^-7 kg and a velocity of 6.0x10^4 m/s [W] is travelling
1. 1 answer
2. asked by Liz
3. 412 views
A charge with a value of 3.0 x 10^-5 C is located 3.0 cm from a charge with a value of 6.0 x 10^-5 C. Determine the distance
1. 1 answer
2. asked by Liz
3. 436 views
Add the two component vectors from Sample Problem 1 algebraically to erify that they equal the given vectorThe two component
1. 1 answer
2. asked by Kai
3. 372 views
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid,
1. 1 answer
2. asked by HELP
3. 335 views
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid,
1. 1 answer
2. asked by HELP
3. 367 views
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it
1. 2 answers
2. asked by Kimberly
3. 576 views
A soccer player kicks a soccer ball at +10.0 m/s at an angle of 60°. What are the horizontal and vertical components of
1. 1 answer
2. asked by Marie
3. 801 views
Describe each type of item tested in terms of its V vs I being "Ohmic" or not. Use one sentence per item-type tested. Item types
1. 2 answers
2. asked by Bri
3. 527 views
A plane flies 230 mph at 60 degrees north of west for 2.5 hours. Answer the following questions.A. How far did it travel total?
1. 2 answers
2. asked by Hannah
3. 507 views
Find the differential equation of motion for a gravitational pendulum of mass m and length a by using the fact that the torque
1. 1 answer
2. asked by Daniel
3. 466 views
A 31.0 kg child on a swing reaches a maximum height of 1.92 m above their rest position.Assuming no loss of energy: a) At what
1. 3 answers
2. asked by Help me in Physics
3. 1,044 views
A 75.0 kg novice skier is going down a hill with several secondary hills. Ignore frictional effectsand assume the skier does not
1. 4 answers
2. asked by silverback
3. 1,070 views
A car with a mass of 1800 kg is initially travelling with a velocity of 22 m/s [N] when it collides with a truck with a mass of
1. 3 answers
2. asked by JACKIE CHAN
3. 1,176 views
Are you sure that's how you do #4 because they have 2 different directions.I need physics help. I don't understand how to do
1. 3 answers
2. asked by HENRY - I NEED YOUR HELP?
3. 633 views
I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions:1. A stationary curling
1. 7 answers
2. asked by I NEED DAMON'S HELP
3. 685 views
Did i do number 2 and 3 correct?2. A billiard ball (0.62 kg) with a velocity of 2.0 m/s [N] hits another ball and has a velocity
1. 2 answers
2. asked by I NEED DAMON'S HELP
3. 1,064 views
You are standing directly under an electrical wire carrying current towards the South. If the wire is carrying 180 A and is
1. 2 answers
2. asked by Matt Damon
3. 591 views
a wave with a frequency of 3.1 hz and a wavelength of 0.3 meters experiences a lengthening of wavelength to 2.6 meters what is
1. 3 answers
2. asked by Anonymous
3. 600 views
how much more intense is 75 db compared to 25 db
1. 1 answer
2. asked by Anonymous
3. 302 views
what does a mirror do to images that it reflects
1. 1 answer
2. asked by Anonymous
3. 310 views
How fast would you need to be travelling relative to an observer in order for them to see a 15% increase in your mass?How do I
1. 1 answer
2. asked by Ryback
3. 397 views
A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and
1. 3 answers
2. asked by Anon
3. 1,880 views
find the average acceleration (m/s^2)The formula is a=v2-v1/change in time I don’t understand how to solve this since I only
1. 3 answers
2. asked by .
3. 482 views
• The position of a particle is described by the function x=3.78t^2 + 4.98t + 4.82 (m). Determine the average velocity (in
1. 1 answer
2. asked by Chucky
3. 147 views
An object is let to fall from a 93m height. Determine its speed in (m/s) for t=3.1 s
1. 1 answer
2. asked by Dante Zogratis
3. 111 views

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