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Light of wavelength 630 nm from a distant source is falling on a slit of width 0.5 mm. The...
Posted by luessssss on March 27, 2013 at 3:50 AM via web.
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Light with a wavelength of 600 nm passes through a double slit and an interference pattern is...
Posted by vaderrrrrr on March 27, 2013 at 3:49 AM via web.
1 educator answer.
A piece of modeling clay is rolled into a cylinder and its resistance R is measured with an...
Posted by lkehoe on March 26, 2013 at 4:00 PM via web.
A 1-mile long wire has a resistance of 44 ohm. What will be its new resistance when it is...
Posted by lkehoe on March 26, 2013 at 3:56 PM via web.
What are the properties of light?
Posted by user3629853 on March 25, 2013 at 10:25 AM via web.
During a daytime football game you notice that a player's reflective helmet forms an image of the...
Posted by stareem on March 25, 2013 at 3:53 AM via web.
a train travels at a velocity of 50+ m/s.It takes 80 s to slow down to 5 m/s with constant...
Posted by dasmith22 on March 22, 2013 at 8:03 PM via web.
A car is moving 60km/h when the driver sees a signal light 40m ahead turn red. The car can slow...
Posted by rwanda255 on March 21, 2013 at 7:05 PM via web.
A submarine with a cruising speed of 15.0 m/s uses a sonar (Sound Navigation and Ranging) device...
Posted by hockeyfan54 on March 16, 2013 at 8:19 PM via web.
Two loudspeakers emit out-of-phase sound waves along the x-axis. The sound has maximum loudness...
Posted by mrbest55 on March 16, 2013 at 8:17 PM via web.
2 educator answers.
Posted by chocobob on March 16, 2013 at 8:15 PM via web.
The greater the acceleration, the greater the ______ exerted on an object.
Posted by boogalou1000 on March 14, 2013 at 10:21 PM via iOS.
A violin player hears four beats per second when she compares her note to a 523 Hz tuning fork....
Posted by bobby9901 on March 12, 2013 at 2:31 AM via web.
A magician wants to perform an illusion where she appears on stage at one location but she is not...
Posted by despair on March 11, 2013 at 1:00 PM via web.
How much work (in Joules) is done on a 1 kg object to lift it from the center of the Earth to its...
Posted by Rocky52 on March 6, 2013 at 1:32 AM via web.
i) Why are wheels always circular and why are they always made of rubber and not steel? (ii)...
Posted by maahi1704 on March 4, 2013 at 2:34 PM via web.
A projectile is fired at an angle of 43deg from horizontal. The intial speed is 30m/s. A 10meter...
Posted by user8010328 on February 27, 2013 at 5:13 PM via web.
Describe the experiment which describes Boyle's law.
Posted by ahonsi on February 25, 2013 at 5:40 PM via web.
water is prayed at an angle of 90 from the slope at 20 m/s. determine the range R
Posted by user9157166 on February 24, 2013 at 2:39 PM via web.
What were the ideas of Galileo in relation to the nature of the motion of objects, and what...
Posted by wanderista on February 15, 2013 at 2:35 AM via web.
You and your friend are trying to heat up your identical fully insulated dinners using desk...
Posted by luessssss on February 12, 2013 at 11:26 PM via web.
A piece of cardboard tubing, closed at one end, is just the right length so that when it is cut...
Posted by vaderrrrrr on February 12, 2013 at 11:24 PM via web.
A projectile is launched upward from ground level with an intentional speed of 98 m/s. How high...
Posted by kshockley on February 7, 2013 at 12:31 AM via web.
Calculate how many seconds an outfielder has to position himself for the catch if he intends to...
Posted by user4046196 on February 6, 2013 at 4:57 PM via web.
Determine the initial velocity of the baseball and the height of the ball when hit.Time(sec) .75...
Posted by user4046196 on February 6, 2013 at 4:55 PM via web.
Child sitting in a tree throws his apple from the height of 4.0 m with a velocity of 5.0 m/s [35...
Posted by camper987 on February 3, 2013 at 3:01 AM via web.
If a tank holds 4700 gallons of water, which drains from the bottoms of the tank in 49 minutes,...
Posted by jmg5639 on January 31, 2013 at 2:57 AM via web.
In an ideal mass-spring system (oscillating horizontally on a frictionless surface), the total...
Posted by johnyyyynnynyn on January 27, 2013 at 4:25 AM via web.
In the following physical systems that undergo simple harmonic motion, state which physical...
Posted by luessssss on January 27, 2013 at 4:15 AM via web.
A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz. At t = 0 s, the...
Posted by vaderrrrrr on January 27, 2013 at 1:11 AM via web.
Calculate the mass of the block, the period of the motion, and the maximum speed of the block....
Posted by bogshow24 on January 26, 2013 at 4:34 PM via web.
Posted by swimmers on January 26, 2013 at 4:32 PM via web.
Posted by hockeyfan54 on January 26, 2013 at 4:31 PM via web.
Posted by mrbest55 on January 26, 2013 at 4:29 PM via web.
You shovel 3.29 kg pile of snow and lift and set it into motion, the snow leaves the shovel at...
Posted by lkehoe on January 26, 2013 at 4:52 AM via web.
A block of unknown mass is attached to a spring with a spring constant of 10 N/m and undergoes...
Posted by medusaaaaaaaaa on January 24, 2013 at 3:50 AM via web.
Posted by gomezzzzzzzzzzzzzzzzz on January 24, 2013 at 3:48 AM via web.
Posted by luessssss on January 24, 2013 at 3:46 AM via web.
Posted by vaderrrrrr on January 24, 2013 at 3:45 AM via web.
Posted by goldbergfan on January 23, 2013 at 4:58 AM via web.
Posted by masterpiece11 on January 23, 2013 at 4:56 AM via web.
Posted by blasto63 on January 23, 2013 at 4:54 AM via web.
A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz. At t = 0 s,...
Posted by chocobob on January 21, 2013 at 11:12 PM via web.
Posted by bobby9901 on January 21, 2013 at 10:59 PM via web.
An 8g bullet is fired into a 2.5 kg pendulum bob initially at rest and goes in it. The pendulum...
Posted by andrewmezzo on January 20, 2013 at 2:28 AM via web.
Two carts with mass of 4kg and 3kg move toward each other on a frictionless track with velocity...
Posted by andrewmezzo on January 20, 2013 at 2:18 AM via web.
A parachutist jumps from an airplane traveling at 250 km/h from 500 m up. The speed he lands at...
Posted by lxsptter on January 17, 2013 at 9:21 AM via web.
A ball has to be thrown on a ledge 5 m above and 60 m away. What is the minimum speed with which...
Posted by lxsptter on January 17, 2013 at 6:55 AM via web.
A 0.19 kg baseball moving at +23 m/s isslowed to a stop by a catcher who exerts aconstant force...
Posted by user3012661 on January 16, 2013 at 12:57 AM via web.
use of physics in modern inventions how has it helped the modern world and inventions
Posted by vishruth on January 15, 2013 at 2:27 AM via web.
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