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Physics
Page 82
Questions (146,325)
A snail crawls up a bent piece of grass at 2cm/s. If the grass makes a 75 degree angle to the ground,what are the horizontal and
1 answer
asked by
Ash
330 views
A volleyball is spiked downward at a 55 degree angle gom the vertical net.If the ball is traveling at 22m/s, what are its
1 answer
asked by
Ash
391 views
Okay. How do I go about answering this question? And what is it really asking?
A watermelon has a mass of 118 kg. It is on a
3 answers
asked by
Cassidy
416 views
How do the mainsail and the jib of a sailboat help the boat sail? What do these two sails have to do with force?
1 answer
asked by
Lindsay
422 views
A mass m=.5kg on a spring with a spring constant. It is displaced by the distance x_max =20cm (.2m) from equilibrium on a
1 answer
asked by
Andrea
428 views
A rocket moving at 2000 m/s with a mass of 2000 kg releases gas at 500 m/s perpendicular to the direction of the rocket. The
1 answer
asked by
Michael
408 views
Can I use P1/P2=(T1/T2)y/y-1 to find the temperature when we pressure liquid refrigerant, for example liquid propane?
1 answer
asked by
David
334 views
A swing is 2m long. how often do you need to push it to increase its swing's amplitude the most?
L=2m When amplitude is the most
1 answer
asked by
Andrea
362 views
If you were to jump from an airplane at an altitude of 15000 ft. and fall toward the Earth at 100 mph how long would it take to
3 answers
asked by
Charles
380 views
If you fell into a hole in the Earth how long would it take to reach the center of the earth if your velocity remained constant
3 answers
asked by
Charles
356 views
Find the attracting force between 2 people sitting .08 meters apart. One person has a mass of 62kg and the other 80kg.
1 answer
asked by
Charles
413 views
A uniform electric field of magnitude 75 n/c is created at an angle of 33 degree relative to the positive x-axis.
a)Find the
1 answer
asked by
Kwang hu111
381 views
If you fell into a hole in the Earth how long would it take to reach the center of the earth if your velocity remained constant
1 answer
asked by
Charles
320 views
What is the magnetic effect of placing two wires with equal but oppositely directed currents close together or twisted about
1 answer
asked by
Heather
395 views
For a given lens in a telescope, what are the two letters corresponding to the light that gives the worst and best resolutions,
1 answer
asked by
Thomas
395 views
On a dt graph if there is a curve from 1 decreasing to 1.2 in an interval does is the velocity and acceleration + or 9? And is
3 answers
asked by
Alex
272 views
Find the gravitational force between the sun and the earth in newtons?
1 answer
asked by
Charles
396 views
Find the orbital velocity of a satellite orbiting 1800km above sea level in meters per second?
1 answer
asked by
Charles
393 views
An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before
1 answer
asked by
Chuck
378 views
question: img75.imageshack.us/my.php?image=dsc00702gn9.jpg
The answer key said the answer is "C"...HOW!?!??!?!!? Please explain
3 answers
asked by
Tom
394 views
the question is: an unknown substance has a vol. of 20ft^3 and weighs 3370 lb. What is the weight density?
I took 20ft^3 and
1 answer
asked by
Anonymous
434 views
A small aircraft takes off and accelerates for 1 min at the rate of 1.5m/s^2. it then maintains a constant flying speed for
1 answer
asked by
Anonymous
466 views
What do I have wrong in here?
A stone is thrown vertically upward at a speed of 60.0m/s. a) How long after being thrown is it
3 answers
asked by
Anonymous
397 views
What do I have wrong in here?
A stone is thrown vertically upward at a speed of 60.0m/s. a) How long after being thrown is it
3 answers
asked by
Anonymous
423 views
Car A and B are passing each other in different lanes. Car A has an initial speed of 15m/s and is gaining speed at 1.5m/s^2. Car
1 answer
asked by
Anonymous
417 views
How do you know if a quadratic is a perfect square?
1 answer
asked by
Anonymous
287 views
What determines whether a material is transparent or opaque?
1 answer
asked by
Shirley
393 views
A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the
1 answer
asked by
Andrea
370 views
2. Why is red paint red
1 answer
asked by
jim
259 views
6. Why do we not list black and white as colors?
1 answer
asked by
jim
373 views
Why do your vowels examples ("aaah", "eee", "uhh") sound different then when I make them? Explain.
Tension, mass density and the
1 answer
asked by
Andrea
427 views
A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the
1 answer
asked by
Andrea
425 views
A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the
1 answer
asked by
Andrea
417 views
When the direction is 30degrees N of E is it E30degreesN?
1 answer
asked by
Anonymous
337 views
The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object?
Can I use the
1 answer
asked by
Marty
405 views
A violin string is .32m and has a mass of .0005kg. The freqency of the note played is 440Hz. What is the speed of the wave in
1 answer
asked by
Andrea
375 views
A* B*
C* D* square of side 10 cm I tried my best to do the drawing. It is supposed to be a square, but each * is a point. The
1 answer
asked by
Jordan
383 views
A 66.0 kg diver is on a diving board, which is 1.10 m above the water. He falls at a speed of 9.10 m/s. Calculate his kinetic
3 answers
asked by
Jake
365 views
A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 129 m. The mass
1 answer
asked by
Zach
420 views
Your friend says that the wavelength of light waves is less in water than in air. Do you agree or disagree, and why?
1 answer
asked by
Pam
367 views
I also had another questin to go along with my lab.
If a sponge ball, ping-pong ball, and a metal ball were rolling down the same
1 answer
asked by
Jim
400 views
I have to find the Current created by earth as it circles the sun.through the formula I=(Q/delta t). Hint:It says think of the
1 answer
asked by
Jim
276 views
Can we Connect two or more batteries of different voltage in parallel circuit?
1 answer
asked by
Jim
362 views
With your equations, I solved for the two unknown variables and got the correct answers for the forces. Thanks! Unfortunately, I
1 answer
asked by
Jessica
366 views
Assume the utility rate to be $.20/kWh. What is the cost of purchasing 10kW for 1.0 hour?
4 answers
asked by
Tim
351 views
If it is $ .20 $/kWh x 10kWh = Would it cost $2.00 per hour?
1 answer
asked by
Tim
287 views
(dwrls)
If it is $ .20 $/kWh x 10kWh = Would it cost $2.00 per hour?
1 answer
asked by
Tim
325 views
Why do we rationalize a denominator?
The only reason I can think of and can find in a search is to reduce it because it makes it
1 answer
asked by
Megan
356 views
what is the purpose of the double bell jars that surround the international prototype of the kilogram in Paris?
4 answers
asked by
Mikal
421 views
A general question:
if a train goes north at x m/s with a weight of xxxx, and another train goes west at x m/s with a weight of
1 answer
asked by
Tri
305 views
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