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Physics
Page 100
Questions (146,368)
A football is thrown at 14.0 m/s at an angle of 35.0 degrees. How far away does it land?
1 answer
asked by
Spencer
311 views
A 3200kg helicopter must accelerate up at 1.0m/s^2. What minimum lift do the rotors need to produce?
Thanks for answering!
1 answer
asked by
Liam
377 views
A 56kg adult is climbing up a staircase of 67m. By how much would her body temp increase if her lost energy went into increasing
1 answer
asked by
Alona
422 views
(Delete the spaces between the characters for the URL of the question):
h t t p : / / g o o . g l / E 9 M X o
1 answer
asked by
Phillip
327 views
Please help! How long would it take (in seconds) to travel 1 km at a speed of 100 km/h?
3 answers
asked by
Rose
304 views
why can a submarine hang in water
1 answer
asked by
Jemma
303 views
Which of the following forces does NOT have a zero work done on the object.
Choices The normal force on a box that slides across
1 answer
asked by
rose
430 views
.) Beth launches a rocket out in the courtyard. It stays in the air for 7.25 seconds before coming back down.
a.) How high did it
1 answer
asked by
Heidi
421 views
With the energy needed to warm up some amount of water from 40C to 64C, how high could you lift it?
1 answer
asked by
lisa
362 views
From the edge of a 25 m building, a student threw s rock up 35 m/s and it landed on the ground.
How long was the rock in the air?
1 answer
asked by
Marie
260 views
A certain wave is incident on an interface at an angle of 40 deg. The wave emerges into the other material at an angle of 30
1 answer
asked by
Jarod
368 views
is a collision an example of an interaction?
1 answer
asked by
Rose
245 views
How does the eye adjust the focus of an image on the retina?
1 answer
asked by
Jessica
298 views
As the temperature of an object becomes higher, what happens to the average wavelength of the radiation it emits?
1 answer
asked by
Jessica
384 views
A series of waves traveling at 200 m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a
1 answer
asked by
Jael
364 views
A train coming toward you at 15 m/s blasts a signal which you hear as 400 Hz. What frequency will you hear after the train
4 answers
asked by
Laura
354 views
Suppose two blocks of ice are heading toward each other. block A has a mass of 4.24 kg and is traveling at 2.24 m/s. Block B has
3 answers
asked by
Mayte
418 views
Two cars have a head-on collision. Both were traveling at 28 m/s toward each other. Car A has a mass of 700 kg and car B has a
3 answers
asked by
Mayte
415 views
Does an object moving in a circle obey the law of inertia? Which way would it move if there were no net force on it?
3 answers
asked by
Jen
329 views
A boy sits on a ferris wheel. how much work is done on him by gravitional forces when the wheel makes one complete turn?
1 answer
asked by
Anonymous
384 views
does a baseball thrown at 100 miles per hour have a lot of force?
1 answer
asked by
Rose
360 views
what propels a rocket away from the surface of the earth?
1 answer
asked by
Rose
250 views
what propels a rocket away from the surface of the earth?
3 answers
asked by
Rose
267 views
the motion of two students- Mac (starts @ 2m) and Tosh (starts @ 12m) - as they enter and exit the school library during a
1 answer
asked by
Mary
404 views
A projectile is fired at an upward angle of 25.0^\circ from the top of a 310 m cliff with a speed of 220 m/s.
What will be its
3 answers
asked by
Linda
367 views
Question contains pictures:
h t t p : / / g o o . g l / M H k y 1 (delete the spaces between the characters for the URL)
1 answer
asked by
Phillip
368 views
Two blocks of the same mass are raised up a height of 3m from the ground. One is raised straight up and placed on a pedestal and
1 answer
asked by
Anonymous
373 views
Intravenous infusions are often made under gravity.
At what height should the bottle be placed so the liquid pressure is 700
1 answer
asked by
Eden
353 views
The motion of material particles in P-waves is
A. Clockwise circles as seen from the side B. Counter-clockwise circles as seen
1 answer
asked by
Bethany
424 views
I have a spring on a horizontal frictionless surface. Initially it is un-stretched and at x = 0 cm. I then pull it back 10 cm
1 answer
asked by
lisa
365 views
A spherical mooring buoy 36cm in diameter with a mass of 43 kg is fastened to a cleat on the top ofthe sea wall by a 50 cm long
1 answer
asked by
Gerard
413 views
a soccer ball kicked with a force of 14.1 N accelerates at 6.8 m/s^2 to the right. What is the mass of the ball?
in units of Kg.
1 answer
asked by
Nancy
375 views
Hi I have a question in Physics
A block with mass 50kg is held on a slope. Ù friction coefficient = 0.35 between the plane and
1 answer
asked by
Oddbjørn
432 views
A microphone has an area of 3.8 cm2. It receives during a 2.87 s time period a sound energy of 4.2x10-11 J. What is the
1 answer
asked by
Mike
374 views
If I'm driving a car and I make a turn to the right, what will happen to a bag of items that is sitting next to me in the car-in
1 answer
asked by
Jacob
267 views
I have no idea how to do this.
1 answer
asked by
Alexander
231 views
A microphone has an area of 3.8 cm2. It receives during a 2.87 s time period a sound energy of 4.2x10-11 J. What is the
4 answers
asked by
Mike
383 views
I am doing an assignment where I need to find an example of a spring that is used in a common device. Is a phone chord
3 answers
asked by
Kate
261 views
what is the variation of pressure in the sound wave if the sound intensity is 3.85x10^-8 W/m^2, the speed of sound is 343 m/s
1 answer
asked by
Mike
413 views
A wave with frequency 12.2Hz and amplitude 47.7 mm moves in the positive x direction with a speed of 8.9 m/s. What is the waves
1 answer
asked by
Pete
391 views
Hey, have a question in Physics
From a power magazine released 300,000 gallons of water pr.sekund into a pipeline leading to a
1 answer
asked by
Oddbjørn
358 views
A microphone has an area of 6.7 cm2. It receives during a 4.62 s time period a sound energy of 2.5x10-11 J. What is the
1 answer
asked by
Pete
380 views
A jet airplane has an intensity of 92.4 W/ m2 when heard at a distance of 21.2 m. What is the maximum sound intensity heard by a
1 answer
asked by
Bella
335 views
A jet airplane has an intensity of 92.4 W/ m2 when heard at a distance of 21.2 m. What is the maximum sound intensity heard by a
1 answer
asked by
Bella
346 views
1) A microphone has an area of 6.7 cm2. It receives during a 4.62 s time period a sound energy of 2.5x10-11 J. What is the
1 answer
asked by
Bala
433 views
A wave is travelling to the right at 50.0 m/s. What is the amplitude if the maximum displacement is 38.0 cm and the total
1 answer
asked by
Bala
394 views
what is the variation of pressure in the sound wave if the sound intensity is 3.85x10^-8 W/m^2 the speed of sound is 343 m/s and
1 answer
asked by
Jill
423 views
If I'm travelling with a bag of objects on the seat next to me and I turn right, which direction does the bag fall and why? What
1 answer
asked by
Jake
324 views
the force required to accelerate a mass of 10.0kg at 4.00m/s^2 is
1 answer
asked by
John
324 views
Why does tension in a rope increase as the rotational speed of a ball increases?
1 answer
asked by
Alex
350 views
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