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Physics
Page 95
Questions (146,364)
I think that for energy of a spring I should use (1/2)(k)(x^2) and (1/2)(m)(v^2) but i'm not sure what to do with the equations
1 answer
asked by
Brianna
398 views
Explain which would be more useful to you if you needed to locate a buried treasure of the position of the treasure.
I'm guessin
1 answer
asked by
Anonymous
411 views
Could you explain to me how it is possible to run a distance of 1.0 km and have zero displacment.
3 answers
asked by
Anonymous
335 views
How do we determine time interval?
We determine time interval by subtracting the final time from the initial time.
3 answers
asked by
Anonymous
317 views
A car, of total mass 1200 kg, is travelling at 90 km/h and strikes a tree. The front end of the car compresses and the driver
1 answer
asked by
Oisin
430 views
Two vectors are given by
a = 3.7i + 6.9j, and b = 1.9i + 4.7j. Find (b) a·b = (c) (a + b)·b = (d) the component of a in the
1 answer
asked by
Abigail
286 views
Vincent decided to beat his friend's average velocity of 4 m/s. What is the shortest amount of time to beat his friend's
3 answers
asked by
Lynn
352 views
Show that the escape speed n for a body located on the surface of a planet of radius r and mass M is given by the expression v =
1 answer
asked by
Oisin
409 views
"Determine the restoring force of a pendulum that is pulled to an angle of 12.0 degrees left of the vertical. The mass of the
1 answer
asked by
Stuck
405 views
"Two wooden blocks A and B have respective masses of 3.0kg and 4.0kg and are connected with an inextensible cord. If the blocks
3 answers
asked by
Stuck
656 views
"At what point between two masses of 20kg and 15kg located 1.0m apart, will the gravitational field strength equal zero?"
1 answer
asked by
Stuck
412 views
how do you solve for amplitude?
1 answer
asked by
Cristina
271 views
light may be considered to travel as a ? or a ?
1 answer
asked by
Cristina
291 views
A cup of mass m, placed on the edge of a table of height h, has potential energy mgh, where g is the acceleration due to
3 answers
asked by
Raven
353 views
what is the gravitational potential energy at the centre of the earth??? If infinity is taken as the reference (i.e zero energy
1 answer
asked by
Mos Def
313 views
what is the gravitational potential energy at the centre of the earth??? If infinity is taken as the reference (i.e zero energy
1 answer
asked by
Mos Def
395 views
Two objects are moving in different direction. Under what circumstances can you treat this as one-dimensional problem?
1 answer
asked by
Shaila
320 views
Convert 5:25:25 to seconds.
1 answer
asked by
Kate
278 views
A car and a truck travel with same velocity, the car has more kinetic energy. True or false
1 answer
asked by
Anonymous
368 views
the work done by the earth in moving round the sun is..................
1 answer
asked by
Anonymous
258 views
the mechanical energy of a body is the difference of its KE and PE. true or false
1 answer
asked by
Anonymous
308 views
the total amount of energy possessed by a body always remains.............
1 answer
asked by
Anonymous
288 views
..........is consumed whenever work is done.
3 answers
asked by
Anonymous
245 views
if you push a wall with a force of 50N, the work you do is......
(a)500J (b)5000J (c)50J (d)zero
3 answers
asked by
Anonymous
406 views
Each of two runners at either end of a 1907 m straight track jogs toward the other at a constant 4.00 m/s. Suppose that a fly
1 answer
asked by
Ryan
370 views
M/5=30 M=?
1 answer
asked by
Jerry
206 views
100= 1/2 50 v* v=? *squared*
10=(50-v)/4 v=?
1 answer
asked by
Jerry
300 views
for imcomplete cancellation to occur, opposite pulses must have?
1 answer
asked by
Kathryn
311 views
In a gas kept at a constant temperature, all molecules move with the same speed. True or false?
1 answer
asked by
Anonymous
376 views
What is the scientific principle involved in unmanned level crossing?
1 answer
asked by
Aparna
333 views
What is the scientific principle involved in unmanned level crossing?
1 answer
asked by
Aparna
353 views
A viaduct is being re-levelled by using a jackscrew with a pitch of 5mm. The mass of the top slab of the viaduct is 20 tonnes
1 answer
asked by
Mia
405 views
A particle's initial velocity is −24.0 m/s. Its final velocity, 3.10 seconds later, is −14.0 m/s. What was its average
1 answer
asked by
Nadia
354 views
(Vectors) If |A x B| = 6.45AB, what is the angle between A and B?
1 answer
asked by
Z32
316 views
When James applied the brakes to his car, it slows unifromly from 15.0 m/s to 0.0 m/s in 2.50 s. How many meters before a stop
3 answers
asked by
Ian
370 views
A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 4.5 m, y = 6.5 m, and has
1 answer
asked by
John
395 views
I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval,
1 answer
asked by
Joel
350 views
2D Displacement:
Particle moving, V(naught) 6.5 m/s(i-hat), -2.5 m/s(j-hat) arrow above V(naught) pointing in positive x
1 answer
asked by
John
427 views
I'm shown a graph with position on the y axis and time on the x axis. The question is what is the total displacement during the
3 answers
asked by
JulieAnne
397 views
if the speed of a moon car is .124 miles/second. How long, in minutes, would it take the moon car to go 5 kilometers.
3 answers
asked by
Pat
338 views
The diameter of some celestial body is 3080 km. What is the volume of this body?
_____m3 How many of these celestial bodies would
1 answer
asked by
Lisa
380 views
The problem contains graphics that I don't know how to show other than in an image format:
h t t p : / / b i t . l y / c D H P V
1 answer
asked by
URGENT
347 views
Determine the percent uncertainty in È, and in sin È, when (a) È = 15.0° + 5°, (b) È = 75.0° + 5°
1 answer
asked by
Tom
382 views
What average force is required to stop an 1700 car in 7.0 if the car is traveling at 75 ?
1 answer
asked by
Ariel
384 views
Convert 341 m/s into km/h. (I have to leave the final answer to the correct number of digits according to the certainty rule for
1 answer
asked by
Emily
404 views
In what direction does the force of mass point?
I say - Always away towards the center of the circular path In what direction
3 answers
asked by
Jim
351 views
A golf ball is chipped at an angle of 37 degrees and with a speed of 13.5 m/s. How far does it travel to the nearest tenth of a
1 answer
asked by
G
307 views
You will spend 177 days in this class. How many seconds will you spend in this class? (5.31x10^5s)
5 answers
asked by
Anonymous
396 views
A baseball just clears a 3.0m tall wall positioned 120m from home plate. If the ball left the bat 1.2 m above the ground at an
1 answer
asked by
Makenzie
412 views
This is a two-dimensional kinematics question:
A particle's position coordinates (x,y) are (2m, 3m) at t=0; (6m, 7m) at t=2s, and
1 answer
asked by
Anonymous
387 views
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