dwight
Most popular questions and responses by dwight
Physics
Your friend has slipped and fallen. To help her up, you pull with a force F, as the drawing shows. The vertical component of this force is 140 newtons, and the horizontal component is 145 newtons. _____N and the angle
asked on September 5, 2011 
Physics
A rope can withstand a maximum tension of 75 N before snapping . What maximum speed can you spin a 6.0 kg rock in a vertical circle of radius 1.5 m without breaking the rope? My answer: At the bottom of the spin: Fnet=ma FtFg=m(v^2/r) 7558.8=6(v^2/1.5)
asked on November 19, 2010 
Physics
A car goes around a curve on a road that is banked at an angle of 30 degrees. Even though the road is slick, the car will stay on the road without any friction between its tires and the road when its speed is 24.0 m/s. WHAT IS THE RADIUS OF THE CURVE?
asked on November 29, 2009 
math
the scale used to make a model of a car is 1:18. the length of the model is 91/2 inches. how many feet long is the actual car.
asked on October 12, 2014 
Physics
A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 34.3 m/s. Determine the magnitude of the horizontal component of the plane's velocity. _____________m/s
asked on September 12, 2011 
Physics
The x vector component of a displacement vector has a magnitude of 104 m and points along the negative x axis. The y vector component has a magnitude of 185 m and points along the negative y axis. (a) Find the magnitude of . ________m (b) Find the
asked on September 5, 2011 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked on September 30, 2010 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked on October 1, 2010 
Physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 106 m/s. How much time does it take for the impulse, which travels a distance of 1.80 m, to reach your brain?
asked on September 12, 2011 
Physics
A volleyball is spiked so that it has an initial velocity of 16 m/s directed downward at an angle of 62° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball? ______________m/s
asked on September 12, 2011 
Math
How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in
asked on November 3, 2010 
Math
How do I write the Symmetric Equation of a line given the following parametric equations: (where t is a scalar) x=0t y=0t z=1+1t I know normally I would solve each equation for t and set the equations equal to one another. However, I can not solve for t in
asked on November 4, 2010 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked on September 30, 2010 
Trig
What is the phase shift of y=6cos(6x+pi/2)?
asked on March 7, 2011 
Math
The points A(1, 2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.
asked on October 1, 2010 
Math
after your holiday you have come home and decided that you are going to open up your own business.In order to advertise you put up a free standing sign. you notice that the shadow of the sign is 4metres long when your shadow is 1.6m long if you are 1.5m
asked on April 14, 2011 
math
the letters r e a o p r d d r i e will amek a word in relationship to math
asked on August 27, 2008

world geography
Exports of tin and silver were the mainstays of the _______ economy for many decades. However, today, as the market for tin has declined, the country has become an exporter of other metallic ores, such as gold.
posted on August 30, 2012 
Physics
Thanks!
posted on November 19, 2010 
English
question 1
posted on July 13, 2008