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Physics
Page 84
Questions (147,282)
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
295 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
425 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
365 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
420 views
If the earth had no atmosphere, what would the color of the sky be during the day?
1 answer
asked by
Anonymous
306 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
441 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
417 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
383 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
413 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
347 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
425 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
389 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
388 views
what is the use of knowing the center mass of an object when making a calculation?
1 answer
asked by
Soly
307 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
472 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
375 views
Why does the central maximum of a diffraction pattern is twice as long as any other?
Thank you
1 answer
asked by
Mitch
319 views
Why does the central maximum of a diffraction pattern is twice as long as any other?
Thank you
3 answers
asked by
Mike
295 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
532 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
431 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
368 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
426 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
436 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
330 views
In a P-T graph, does time always have to be on the x-axis(bottom)?
1 answer
asked by
Mandee
322 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
341 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
362 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
364 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
349 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
418 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
753 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
401 views
A motorboat accelerates uniformly from a ve-
locity of 6.4 m/s to the west to a velocity of 2.0 m/s to the west. If its
1 answer
asked by
Brandon
393 views
What velocity does the other glider have?
1 answer
asked by
Dante
373 views
If a person jumped off the side of a ship from 20 feet high what speed would they be travelling at when they impact the water?
Th
7 answers
asked by
Mike
363 views
I am trying to come up with a rule of thumb/rough guide to determining the velocity of a person jumping from various heights
1 answer
asked by
Mike
406 views
How does the idea of magnetic fields arising from circulating currents relate to permanent magnets?
1 answer
asked by
Soly
310 views
Continue...previous question
b)what normal force would the car experience on the top of a circular hill of radius 20.0m when it
1 answer
asked by
johnny
341 views
I NEED HELP.... I look in my text for an inverse square law and i get G=M1M2/d^2, But im not given a two masses.
The repusive
1 answer
asked by
Steven
397 views
I have a 1000 ohm resistor with a measured resistance of .967 how do I use submultiples or mutliples to get it in the SI units?
1 answer
asked by
Lucy
412 views
When is your weight normal, higher, or lower while moving up and down in an elevator?
1 answer
asked by
Beth
305 views
1. How can voltage be induced in a wire?
Can someone help me figure out an answer to this? please
1 answer
asked by
Michelle
397 views
How can you easily increase the magnetic field strength inside a current-carrying coil?
Could someone help?
1 answer
asked by
Britney
411 views
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