Number of results: 30,250
9. There is a vector H with x component = -250[g] and y component = 70[g]. What is the magnitude of H? sqrt [(-250)^2 + (70)^2]= 259.6 I don't see the significance of the [g] notation. The dimensions of a vectors would not be grams. Mass is not a vector.
Monday, August 29, 2005 at 11:23am by Cheyenne
chem please explain to me!
can someone please elpain to me the formation of binary ionic compounds from its constituent element. cuz I don't understand! thanks I really thank you guys alot! What grade are you in? Do you know about s and p orbitals? um.. why does it matter??? and I don't get the whole ...
Saturday, June 17, 2006 at 2:00pm by carol
Consider a car making a turn at a constant speed a) is the net force on the car zero? Why? b) Is the velocity of the car constant? Why? c) Is the car accelerating? Why? a)no it's not zero. Is it because it is experianceing a net force,, which is centripetal force because it is...
Sunday, September 3, 2006 at 9:23pm by Sarah
order of magnitude estimate
Which of the following is the best order of magnitude estimate in meters of the height of a mountain? a) 1 m b) 10 m c) 100 m d) 1000 m And your thinking is...? We will be happy to critique your thinking or work. I perosnally think that it is d is that correct? As an order of ...
Wednesday, September 6, 2006 at 8:46am by Anonymous
Vector a has a magnitude of 5 m and is directed esast. Vector b has a magnitude of 4 m and is directed 35 degrees west of north. What are the (a) magnitude and (b) the direction of vector a + vector b? What are the (c)magnitude and (e)direction of vector b - vecotr a? (f) Draw...
Wednesday, October 4, 2006 at 4:43pm by Jamie
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0. Dog exerts a force of 256 and dog exerts a force of 344 . A) Find the magnitude of the resultant force. B) Find the angle the resultant force makes with dog 's rope. You can do this ...
Saturday, November 4, 2006 at 3:10am by kuwaiti
A 640 N student stands on a bathroom scale in an elebator. As the elevator starts moving, the scale reads 800 N. a) find the acceleration of the elevator (magnitude and direction) b) acceleration if the scale reads 450N? c) If the scale reads 0 should the student worry? ...
Thursday, November 16, 2006 at 4:16pm by Christina
Chemistry - Explain...
Hello! I'm hoping you can please help me with this! I left my book at school (I thought I'd left it in my backpack all day to bring home), and I'm in desperate need of your help because I have a test tomorrow. "Answer the following questions, which refer to the 100mL samples ...
Tuesday, November 28, 2006 at 8:54pm by Rachel
plz explain or translate this question!!!
How were things resolved? what does this sentence mean? how do you write your answer for this Q? The sentence means there were two or more differing opinions, measurements or explanations about something. You are supposed to find out which is correct, or explain how the ...
Thursday, December 7, 2006 at 6:40pm by ashlee
For a particular nonlinear spring the relationship between the magnitude of the applied for F and the resultant displacement x from equilibrium is given by the equation F=kx^2. What is the amount of work done by stretching the spring a distance x_0? a)kx_0^2 b) 1/2 kx_0 c)1/2 ...
Friday, December 29, 2006 at 9:47am by me
A 30g bullet with a horizontal velocity of 500m/s comes to a stop 12 cm within a solid wall. a) what is the change in its mechanical energy? b) What is the magnitude of the average force from the wall stopping it? a) what would I use of the equation? Can you please explain ...
Wednesday, January 10, 2007 at 2:38pm by Jamie
A 6100 kg rocket is set for vertical firing from the ground. If the exhaust speed is 1200 m/s how much gas must be ejected each second if the thrust a) is to equal the magnitude of the gravitaiotnal force on the rocker and b) is to give the rocket an inital upward acceleration...
Friday, February 9, 2007 at 10:12pm by sarah
Physics please check
A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 88 kg. A person pushes on the outer edge of one pane with a force of F = 53 N that is directed perpendicular to the pane. Determine the magnitude of the door's angular ...
Monday, March 26, 2007 at 12:53am by Jim
Which three options are true about motion in a straight line. A. A particle which moves at an increasing velocity has a constant acceleration. B. If two particles always have the same velocity as each other, their separation does not change. C. A particle which has zero ...
Saturday, May 12, 2007 at 7:52am by clara
A 64.0 kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.20 m away from the end. The pillar at the end of the board exerts a downward force of 829 N. How far from the pillar at the end of the board is the person ...
Thursday, May 31, 2007 at 12:19pm by micole
A car goes from a dead stop to 25m/s in 5s going east. It keeps going then slows down after it reaches 60m/s. It is being drived on level ground. For the first 5s the magnitude of the velocity vector increases at a constant rate. What is the Instantaneous velocity of the car ...
Wednesday, August 1, 2007 at 3:59pm by ~christina~
I could write down a bunch of equations but since I cannot draw the triangle for you with the tools we have, it would probably be difficult to explain in words what is going on. Draw the two velocity vectors end to end. Then close the triangle to get the resultant. The angle ...
Saturday, June 28, 2008 at 3:31pm by drwls
explain how an magnitude of 8.0 earthquake could be classified as a low intensity
Sunday, February 13, 2011 at 8:40pm by Anonymous
Can someone explain the term magnitude when it comes to momentum
Saturday, March 16, 2013 at 6:53pm by Anonymous