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Physics
Page 90
Questions (146,487)
A car can go from 0 - 60mi/h in 3 seconds during free fall. How long will it take for this same car to go from 0 - 4 mi/h?
This
1 answer
asked by
Robert C
366 views
when you are finding displacement from a velocity graph
and it says find the displacement at t=3 do you find the area from the
1 answer
asked by
Lor
356 views
If I were to kick a football and measure the distance traveled and time. Then calculate the theoretical distance I could make a
1 answer
asked by
Anonymous
325 views
Why does a gun move backward(recoil) when it is fired?
1 answer
asked by
Shane
358 views
What does it mean to say that angular momentum is conserved? Give an example you might see on Earth. How could conservaton of
1 answer
asked by
Riley
364 views
What does it mean to say that angular momentum is conserved? Give an example of what you might see on Earth. How could
1 answer
asked by
Kayla
443 views
A person walked 3 miles at 30 degrees to the horizontal, 2 miles at 100 degrees to the horizontal, 5 miles at 240 degrees and 1
1 answer
asked by
Kelly
312 views
Runners in the 100-m dash use starting blocks. Explain what this device does.
PLEASE HELP.
1 answer
asked by
Shane
354 views
A 1.50x10cube is going up a road inclined at 10degrees. If the coefficient of friction is 0.7. Determine the force that will
1 answer
asked by
Shane
284 views
if an obejct has an horizontal acceleration of -0.51 m/s squared and vertical acceleration of -7.683 m/s squared, what is the
1 answer
asked by
Jack
359 views
Can the instantaneous velocity of an object at a given time instant be greater than the average velocity over a time interval
1 answer
asked by
Nikita
405 views
Is there any point along the path of a projectile where its velocity and acceleration vectors are:
a) perpendicular to each
1 answer
asked by
Adam
362 views
How does the drag force on an object change if the object's area is halved while the wind speed is doubled, while keeping
1 answer
asked by
Nancy
424 views
How would someone calculate the average velocity of something from a velocity vs. time graph?
1 answer
asked by
Phil
299 views
An object is thrown upward by a person on a train that moves with constant velocity.
a) Describe the path of the object as seen
2 answers
asked by
Nikita
585 views
A rail way 50m long, with initial temperature of 20degree celsius subjected to a great heat. How much will it expand when its
1 answer
asked by
Beta plus
376 views
Suppose an ice block is heated what are the noticeable effect that the heat must have caused to the ice block.
1 answer
asked by
Beta plus
424 views
Suppose an ice block is heated what are the noticeable effect that the heat must have caused to the ice block.
1 answer
asked by
Beta plus
386 views
i was woundering if you could point in the right direction
i'm looking for very easy physics topics that makes use of the law of
1 answer
asked by
Physics
397 views
To treat fractures of the humerus shaft, a cast and traction device is used; such that the cast of the upper arm is bent by 100
1 answer
asked by
Nikita
415 views
For this problem there is a picture of pendulums. They are numbered 1 through 5. Each pendulum is a certain length and has a
2 answers
asked by
Hannah
652 views
A ball is thrown vertically upward from a bridge 70 meters above the river with a velocity of 44 m/s. How high above the water
1 answer
asked by
Hillary
414 views
If you increase the angle of inclination, does the kinetic friction an object experiences while moving down this inclination
1 answer
asked by
sam
426 views
How much pressure is required to crack an egg under water
Is there like a table I could look at that has values for how much
1 answer
asked by
Physics
334 views
what does it mean to have a constant acceleration does that mean that a= 0 or a=x?
I particularly need help with::::>> Suppose
3 answers
asked by
Brit
444 views
Wave interference
1) Is a property of light 2) is a property of all waves. I think the answer is number 1. Is this correct? I
1 answer
asked by
Hannah
361 views
When land ice on Antarctica melts and flows into the sea, eventually it circulates and therefore distributes uniformly over the
1 answer
asked by
Bill
413 views
A police officer in hot pursuit drives her car through a circular turn of radius 320 m with a constant speed of 74.5 km/h. Her
2 answers
asked by
jane
742 views
what is the distance if its velocity is 10m/s and the time is 10 seconds
1 answer
asked by
KiKi
315 views
If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.6 105 kg and reached a speed of 11.2 km/s, how
1 answer
asked by
Karen
425 views
2)Find the force of gravity between a tub of water (751.7 kg) and the Sun. The Sun’s mass is 1.99 x 1030 kg and is 1.50 x 1011
1 answer
asked by
Anonymous
426 views
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0
1 answer
asked by
Karen
419 views
Calculate the acceleration due to the rotation of the Earth of a person in a location 26° northern geographical latitude. Use
1 answer
asked by
Nikita
424 views
Hi, So I have this picture of a ramp with a ball going down. I have figured the average velocity, acceleration, and total
1 answer
asked by
anonymous
390 views
A rock is thrown horizontally from a bridge with a speed of 30.1 m/s. The rock is 29.9 meters above the river at the moment of
1 answer
asked by
Anonymous
396 views
Sorry new here trying to figure out angular problem with a disc, only have 2 attempts remaining please help me out :D.
When the
3 answers
asked by
Tommy
379 views
In this same series spring system, what is the
effective combined spring constant kseries of the two springs? Answer in units of
3 answers
asked by
Letisha
430 views
A freight elevator has a mass of 240 kg. Find the tension in the cables (to the nearest whole number) when it ascends with an
1 answer
asked by
JUan
350 views
How does the idea of magnetic fields arising from circulating currents relate to permanent magnets?
1 answer
asked by
Lauren
293 views
A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and
2 answers
asked by
SB
840 views
In ten to fifteen pages, write the applications and effects of solid expansion
1 answer
asked by
Chi1king
365 views
Thanx DRWLS! Worked like a charm and I checked behind myself with the same formula!!!
1 answer
asked by
Inascent
297 views
A pulley with a rotational interia of 4.4*10^-3 kg m^2 about its axle and a radius of 6 cm is acted on by a force applied
1 answer
asked by
Rachel
359 views
A car on a roller coaster has a mass of 9528 kg. The car is dragged up the main hill at an angle of 38 degrees ( above
1 answer
asked by
scott
387 views
When an object slides over a smooth horizontal surface, how does the force of friction depend on the force of gravity on the
1 answer
asked by
Cyn
416 views
Another one, sorry! =P This stuff is really confusing..
Why doesn't friction depend on surface area?
1 answer
asked by
Cyn
369 views
e) Adjust the amplitude control of the function generator until the signal has a 6V peak-to-peak swing. The resultant form will
1 answer
asked by
Claire
367 views
how do you find the mass of a nitrogen molecule?
4 answers
asked by
ana
284 views
At what temperature is the rms speed of helium molecules half its value at STP (0 C}, 1.0 atm)?
4 answers
asked by
ana
398 views
What is the potential energy of a 3kg ball that is on the ground.
-do i do mgh? (9.8)(3kg) ?
1 answer
asked by
Sandy
415 views
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