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Physics
Page 85
Questions (147,194)
A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s
1 answer
asked by
Lindsay
374 views
A football is kicked at 15 m/s with an angle of 35 degrees with the ground.
How long is it in the air? How far will it land? Can
1 answer
asked by
Dan
392 views
What two ways can waves interact?
^I have no clue what its asking
1 answer
asked by
Matt
354 views
A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s
4 answers
asked by
Lindsay
418 views
A wagon was used to move a 90 lb rock 120 yds. It took 40 sec and 70 lbs of force. Can someone help me solve for efficiency and
3 answers
asked by
Heather
401 views
find gravitational field which produces semicircle. To get the answer g=(1/y^3)
1 answer
asked by
Anonymous
396 views
A 4610 kg helicopter accelerated upwards at 2 m/s^2. What lift force is exerted by the air on the propellers?
3 answers
asked by
Einstein
404 views
A constant net force of 406 N, up, is applied to a stone that weights 33 N. The upward force is applied through a distance of
3 answers
asked by
Jared
412 views
Displacement is to distance as velocity is to:
a. acceleration b. mass. c. speed. d. time I chose C....is this correct?
1 answer
asked by
Anonymous
359 views
I don't know what to make for a physics experiment?
1 answer
asked by
Diana
376 views
I am hoping that I can find some help here. how do I convert newtons times seconds (NS) to Kilograms times meters per seconds
1 answer
asked by
Jade
337 views
You have been asked to keep a 35.1 kilogram crate from sliding down a 50.03° incline. The coefficient of friction between the
1 answer
asked by
Anon
411 views
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
331 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
394 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
417 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
423 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
429 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
410 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
335 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
363 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
382 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
358 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
384 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
322 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
396 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
273 views
Find the gravitational force between the sun and the earth in newtons?
1 answer
asked by
Charles
397 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
379 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
396 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
435 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
470 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
398 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
426 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
418 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
394 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
371 views
2. Why is red paint red
1 answer
asked by
jim
260 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
428 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
426 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
340 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
407 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
385 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
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