Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Page 81
Questions (146,487)
I hope someone can help me, cause i am so confused.
Pressure gradient-why can't submarines go to the bottem of the ocean? please
1 answer
asked by
Georgia
394 views
The four tires of an automobile are infalted to an absolute pressure of 2.0*10^5 Pa. Each tire has an area of 0.024m^2 in
1 answer
asked by
Anonymous
420 views
The probability that an electron will return to a lower energy level by emitting a photon is called
a. spontaneous emission b.
1 answer
asked by
Anonymous
433 views
Which of the following is an example of a baryon?
a. meson b. electron c. lepton d. proton and neutron I saw a sight online that
1 answer
asked by
Anonymous
397 views
A car travalling 90km/h, applies breaks with a force of 8400N to act on the 1050kg car.
a) what is the acceleration of the car
1 answer
asked by
Zam
417 views
I have a question that I don't understand, could you please help me? Thanks!
Heres my question: A package falls off a truck that
1 answer
asked by
Soly
419 views
I have a question. What is the difference between gravitational mass and intertial mass?
http://www.thefreedictionary.com/gravita
1 answer
asked by
Ashlee
434 views
Car A is traveling at 84 km/h while Car B is traveling at 58 km/h. What is the relative velocity of Car A to Car B if they both
4 answers
asked by
Jayd
382 views
Car A is traveling at 84 km/h while Car B is traveling at 58 km/h. What is the relative velocity of Car A to Car B if they both
1 answer
asked by
Jayd
392 views
I have an ice cube :3000 KG,the tempereture is about 50 (cel).would you please let me know how much does it take long for it to
1 answer
asked by
Ali
341 views
I have a forumla question. I have this formula x=1/2t^2. Is this the formula to find the acceleration that is caused by gravity?
1 answer
asked by
Soly
277 views
How do you find maxium height when a ball is hit from a height of 0.08m and has a intial velocity of +7.5 m/s straight up?
1 answer
asked by
Sara
293 views
A rocket traveling at 165 m/s is accelerated at a rate of -32.0 m/s.
a) How long will it take before the instantaneous speed is 0
5 answers
asked by
Jayd
423 views
I am not to sure if my accuracy which is 126.34% and my precision 35.92% are good? I think my accuracy is good, but my precision
1 answer
asked by
Jess
305 views
What resistance must be placed in parallel with a 152 resistor to make the equivalent resistance 111 ?
Please help!!!!!
1 answer
asked by
Jim
364 views
Two resistors, 46.0 and 64.0 , are connected in parallel. The current through the 64.0 resistor is 3.40 A.
(a) Determine the
1 answer
asked by
Jim
417 views
If the earth had no atmosphere, what would the color of the sky be during the day?
1 answer
asked by
Anonymous
305 views
If you are driving at 65mph along a straight road and you look to the side for 2 seconds, how far do you travel during this
1 answer
asked by
Tammy
439 views
A dip needle is a small magnet mounted on a horizontal axis sot that it can swivel up or down. Where on eath will it point most
1 answer
asked by
Judy
415 views
fire places are usually built so has to be very shallow with high backs. often they have structures to hold the burning logs
1 answer
asked by
manny
381 views
Killer whales at Sea Worl routinely jump 8 m above the water. What is their speed as they leave the water to achieve this?
I know
1 answer
asked by
Tammy
411 views
Rearrange the following kinematics equation for the variable iondicated:
a)d=v1t+1/2at^2 i)v1 ii)a b)d=v2t-1/2at^2 i)v2 ii)a
2 answers
asked by
Katie
491 views
How do I convert 289 kilograms/square meter into grams/square centimeter?
1 answer
asked by
Jane
346 views
On a postition versus time graph to find the acceleration you would simply find the area under the graph right? and how would
1 answer
asked by
Tammy
423 views
If a cart and rider are pulled with a constant force of 74.0 N, and the friction force is 29.0 N, how fast will the cart and
4 answers
asked by
Scott
387 views
I am doing this exercise for physics class where I have to place a penny on a ruler and balance it. And I don't understand what
1 answer
asked by
Soly
385 views
a ball thrown horizontally from a point 40m above the ground,strikes the ground after traveling a distance of 9m. with what
1 answer
asked by
Tammy
387 views
what is the use of knowing the center mass of an object when making a calculation?
1 answer
asked by
Soly
305 views
An electron moves at a speed of 5.4 106 m/s perpendicular to a constant magnetic field. The path is a circle of radius 1.0 10-3
2 answers
asked by
Mary
469 views
X(t) = 5t^2 + 2t + 3
What are the units for 5? 2? 3?
6 answers
asked by
Hannah
334 views
During the time interval of 15 to 20 secs. The graph goes from 10 m/s to 4 m/s , what is the average acceleration of that time
1 answer
asked by
Lee Kite
309 views
A Cessna airplane can accelerate from rest to a ground speed of 78 knots in 29.8 s. What is the average acceleration of this
4 answers
asked by
Lindsay
393 views
A shell is fired horizontally and takes .5 seconds to fall. If its initial speed were doubled, the time it would take to fall
7 answers
asked by
lance
374 views
Why does the central maximum of a diffraction pattern is twice as long as any other?
Thank you
1 answer
asked by
Mitch
317 views
Why does the central maximum of a diffraction pattern is twice as long as any other?
Thank you
3 answers
asked by
Mike
294 views
1.A race car has a mass of 707 kg. It starts from rest and travels 42.0 m in 3.0 s. The car is uniformly accelerated during the
3 answers
asked by
Lee
529 views
This problem concerns a student that is attempting Newton's 2nd Law, but the cart does not run without friction.
How do I
5 answers
asked by
Jenny
430 views
2.A 4430 kg helicopter accelerates upward at 2.2 m/s2. What lift force is exerted by the air on the propellers?
1 answer
asked by
Lee Kite
367 views
A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 12.6 m higher than A, with speed
3 answers
asked by
Lindsay
424 views
1. The problem statement, all variables and given/known data
A student pulls on a box up an incline of 10 degrees. The student
1 answer
asked by
Tim
434 views
Can you tell me if there is a formula to find out the wind pressure on the sides of a roof in different areas of the roof with
1 answer
asked by
nick
329 views
In a P-T graph, does time always have to be on the x-axis(bottom)?
1 answer
asked by
Mandee
320 views
Hi
Can someone check and advise on this potential energy of 2 tonne of water held 120m above a flood plain by a dam. potential
4 answers
asked by
Mark
340 views
Hi can someone advise whether my methodology is right on this
with a potential energy of 589 kJ per tonne, 100 tonnes of water
3 answers
asked by
Mark
360 views
A train slows from 25m/s to 14m/s in 5.0s. Calculate the work done on the train....so I calculted the displacement and the force
3 answers
asked by
Alexis
362 views
v(y)=v with letter y below normal line.
"Explain why you can use the formula v(y)=g(t/2) to calculate the initial vertical
1 answer
asked by
BlueEyedGrrl1738
347 views
what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is
1 answer
asked by
Tammy
417 views
An industrial laser is used to burn a hole through a piece of metal. The average density of the light is S = 1.22 109 W/m2. What
3 answers
asked by
Mary
750 views
A wooden block is moving on a rough level surface. It originally has 25J of kinetic energy. If the friction force acting on it
1 answer
asked by
Andrea
410 views
using uniform acceleration, how can I find the displacement of an object?
1 answer
asked by
brian
400 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (73)
Academic Subjects
Academic Success
Academic Support
Academics
Advanced Placement (AP) Courses
Applied Mathematics
Applied sciences
Baseball
Basic Science
Biology
Career guidance
Education
Education/Science
Educational Question
Engineering
Examinations
Experiments
Golf
High School
Homework Help
Homework Help Forum
Learning Science
Math
Math and Science
Math/Science
Mathematics
Mathematics and Science
Natural Science
Natural Sciences
Online Learning/Tutoring
Physical Science
Physical Sciences
Problem Solving
Problem-solving steps
Science
Science & Nature
Science & Research
Science and Astronomy
Science and Education
Science and Engineering
Science and Math
Science and Mathematics
Science and Measurement
Science and Medicine
Science and Nature
Science and Riddles
Science and Technology
Science Education
Science Experiment
Science Experiments
Science Fair Project
Science Fair Projects
Science or Mathematics
Science or Natural Sciences
Science, Technology, Engineering, Mathematics (STEM)
Science/Energy
Science/Engineering
Science/experimentation
Science/Mathematics
Science/Technology
Sciences
Scientific Concepts
Scientists
Soccer
STEM
STEM (Science, Technology, Engineering, and Math)
STEM (Science, Technology, Engineering, and Mathematics)
STEM (Science, Technology, Engineering, Mathematics)
Technical Support
Technology/Science
Tennis
Test Preparation
Word Problems