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If line one has a slope of -2/3, line two has a slope of 2/3, and line three has a slope of 3/2, which lines are parallel, perpendicular, or neither.
Consider the line 8x+6y=-5. What is the slope of a line parallel to this, and what slope of a line is perpendicular to this?
Find the slope and Y -intercept of the line. 2x-y=-6?
The left ventricle of the heart accelerates blood from rest to avelocity of +24cm/s. If the displacement of the blood during theacceleration is +1.6 cm, determine its acceleration (incm/s2). How much time does blood take to reach its final velocity?
a certain radioisotope has a half-life of 7.45 days. what percentage of an initial sample of this isotope remains after
Explain what is the metal used to extract copper from the solution of copper sulphate?
A rocket of mass 4.5 x 105 kg is in flight.Its thrust is directed at an angle of 54.0° above the horizontal and has a magnitude of8.90 x 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the hor..
You place 108 moles of hydrogen gas in a balloon of volume 2.3 m3, and find the pressure to be 1.6 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
A dam stands 12 ft high. It is 4 ft wide at the top and 10 ft wide at the base. The upstream face is vertical. The coefficient of friction between the darn.
Three identical metal spheres of qA=+3.0C qB=-5.0C qC=+6.0C. What is the final charge on each one
According to Equation 20.7, an ac voltage V is given as a function of time t by V = V0sin(2?f t), what is the smallest value of the time at which the voltage equals one-fourth of the peak value
A 0.064 kilogram block on a horizontal frictionless surface is attached to a spring whose force constant is 330 N/m. Compute the velocity of the block at a time t=0.20 second
Suppose you are given two bars, one is anelectric dipole and the other is a magnetic dipole. Can you think of some simple experiments that would help you figure out which iswhich using a battery or a balloon?
For each pair of charges, draw a force vector on each charge to show the electric force acting on that charge. The length of each vector should be proportional to the magnitude of the force. Each (+) and (-) symbol represents the same quantity o..
Suppose a certain large fish starts out at a depth where the absolute pressure is 2.1 atm and with gas bladder volume 5.0 × 10-4 m3. What is the absolute pressure at that new depth
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