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Physics
Page 97
Questions (146,239)
is it true or false the monochromatic light has photons of different energies? PLZ DNT 4GET 2 XPLAIN IT
1 answer
asked by
Georgina
344 views
Define the term "complementary colours"?PLEASE GUYZ
1 answer
asked by
Jumaimah
377 views
Is it possible that dye does not really remove the yellow stains, although it makes the fabric end up looking whiter. explain
1 answer
asked by
Jumaimah
402 views
briefly explain why can it be dangerous to touch a charged capacitor?
3 answers
asked by
Masixole4Lydia
358 views
To store the energy produced in 1.5 hour by a 160 MW (160 10^6 W) electric-power plant, how many cubic meters of water will have
6 answers
asked by
Emily
359 views
what do you call the source of an intense narrow beam of coherent monochromatic light?
1 answer
asked by
Jennifer
404 views
During an experiment a learner connects these two bulbs X and Y in series to the same power supply. he observes that bulb X now
1 answer
asked by
Lilianna
422 views
A person walks 2.8597x10^1 m East, then turns around and walks 8.7898x10^1 m West. The total time to walk this distance was
1 answer
asked by
annonomus
430 views
A horse canters away from its trainer in a straight line, moving 120 m away in 11.0 s. It then turns abruptly and gallops
1 answer
asked by
Lisa
450 views
A person walks 2.8597x10^1 m East, then turns around and walks 8.7898x10^1 m West. The total time to walk this distance was
1 answer
asked by
christine
382 views
A person walks 2.8597x10^1 m East, then turns around and walks 8.7898x10^1 m West. The total time to walk this distance was
1 answer
asked by
christine
389 views
A car travels a total distance of 3.22911x10^2 m to the East in 6.7135x10^1 s. What is the speed of the car, in m/s with 4
3 answers
asked by
HELP
399 views
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 63.0° above the horizontal. The rocket is fired
1 answer
asked by
Allison
365 views
A speedboat starts from rest and accelerates at 2.689x10^0 m/s2 for 6.5062x10^0 seconds. After that, the boat then accelerates
1 answer
asked by
HELP
400 views
What distance is travelled by a basketball player who accelerates from rest to 5.654x10^0 m/s in 1.567x10^0 seconds, to three
1 answer
asked by
annonomus
299 views
For a standard production car, the record for road test acceleration goes to the 1993 Ford RS200 Evolution. This car went from 0
1 answer
asked by
dylan
380 views
In 1998, NASA launched DS-1 (Deep Space 1). This spacecraft successfully flew by the asteroid 1992 KD. The propulsion system
1 answer
asked by
shannon
409 views
A plane travels with a uniform velocity of 3.399x10^1 m/s for a period of 2.267x10^0 seconds. What distance is travelled during
1 answer
asked by
christine
309 views
A worker at the top of a deep well, drops a hammer into the well. The hammer takes 2.81x10^-2 minutes to fall. How deep is the
1 answer
asked by
peter
350 views
A dynamite blast sends a piece of rock (shatter) straight upwards. After 2.31x10^0 s the piece of rock has a velocity of
1 answer
asked by
peter
426 views
A soccer player launches a ball at an angle of 40 degrees, with an initial velocity of 23 m/s. What are the horizantal and
1 answer
asked by
Caleb
323 views
A certain force made a 5.0 kg mass accelerate at 4.0 m/s^2. This same force made another object accelerate at only 0.8 m/s^2.
5 answers
asked by
Emily
341 views
In what distance can a 25 gram bullet traveling at 250m/s be stopped by force of 5000N?
3 answers
asked by
Aikawa
302 views
Dave rides his motorcycle off the rim of the Snake River Canyon at a horizontal velocity of 54 meters per second. how far has he
3 answers
asked by
Ibis Ley
299 views
In the rope climb, a 68 athlete climbs a vertical distance of 9.0 in 13 .
What minimum power output was used to accomplish this
1 answer
asked by
Eden
359 views
In the rope climb, a 68 kg athlete climbs a vertical distance of 9.0 m in 13 s.
What minimum power output was used to accomplish
1 answer
asked by
Nikohl
433 views
A 1.80 kg block slides on a frictionless horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it
1 answer
asked by
Anonymous
408 views
What physical phenomenom might produce emission spectra?
1 answer
asked by
jenny
345 views
Suppose a circular platform is rotating at a constant rate of 24 rev/min. How far away from the centre would one need to stand
1 answer
asked by
Sufian
336 views
A 17.0 cm diameter circular loop of wire is in a 1.35 T magnetic field. It is removed from the field in 0.190 s. What is the
1 answer
asked by
VJC
355 views
From the top of a tower is an object with mass 25 kg is lowered at constant speed, 4 m / s with a rope to the ground. After 10
1 answer
asked by
Oddbjørn
426 views
A 200N force acts on a 30kg mass on a horizontal surface against 50N of friction.
What is the speed of the mass after 5 seconds?
1 answer
asked by
Teah
352 views
A weight lifter cleans and jerks 150kg, lifting it 2m above the ground in 1.5s. What is his power output?
How do you set this
1 answer
asked by
Lorin
417 views
Given a free falling object that is initially at rest, what are the objects displacement, velocity, and acceleration after 9
1 answer
asked by
Katsu
384 views
A projectile is caught at the same height from which it was launched. If it is caught with a velocity of -15m/s, what is the
1 answer
asked by
Katsu
330 views
How do you find acceleration when given Force and Time?
1 answer
asked by
Katsu
232 views
A force of 165 N is needed to keep a small boat moving at 2.57 m/s. What is the power required to keep the boat moving at the
1 answer
asked by
Jordan
386 views
A particle's initial velocity is −24.0 m/s. Its final velocity, 3.00 seconds later, is −14.0 m/s. What was its average
1 answer
asked by
Maria
382 views
A car accelerates from rest at 1.70 m/s2 along a 220-m stretch of road. Find the car’s velocity at the end of the stretch.
3 answers
asked by
Maria
414 views
A runner’s velocity along a straight track is 3.2 m/s at time 5.0 s and 2.2 m/s at time 13 s. Find the runner’s average
1 answer
asked by
Maria
345 views
A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude
3 answers
asked by
Jess
407 views
A coil has a horizontal axis. Its current goes North on top. What is the direction of the magnetic field inside this coil?
1 answer
asked by
Please help
385 views
What is the instantaneous speed in m/s at the 10 s mark for a car that accelerates at 3 m/s(squared) from a position of rest?
1 answer
asked by
Macario
378 views
What is the equation for average velocity given x1 (initial distance), x2 (final distance), t1 (initial time) and t2 (final
1 answer
asked by
Anna
305 views
I don't know the answer which is why I'm using this web site so I don't know why it's asking for the answer :(
1 answer
asked by
Anonymous
243 views
Help how to find work
If a worker pulls a 10kg bucket up a 25 m well, how much work has he or she done?
5 answers
asked by
Aisumi
371 views
A 3.0 kg object, moving with a constant velocity of 3.0 m/s, is acted upon by a force of 11 N in the direction of the motion for
3 answers
asked by
Adolfo
744 views
A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 103 m. The mass
1 answer
asked by
Anthony
393 views
What equations should I use to calculate the effective value of g, the acceleration of gravity (in meters/second^2), at 5800 km
1 answer
asked by
Adolfo
424 views
Two students are on a balcony 29.4 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same
1 answer
asked by
grace
402 views
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