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Problem: A state representative wants to know how voters in his district feel about enacting a statewide smoking ban in all enclosed public places, including bars and restaurants, as well as several other current statewide issues. He mails a questionnaire addressing these issues to an SRS of 800 voters in his district. Of the 800 questionnaires mailed, 152 were returned. The sample is
(i) the 800 voters receiving the questionnaire.
(ii) the 152 voters returning the questionnaire.
(iii) all voters in his district.
A metal surface is susceptible to a photoelectric threshold frequency of 8.529 x 1014 Hertz. Obtain the speed of the fastest electron ejected
A television screen is illuminated using a beam of electronstraveling at 7.50×106 m/s in a1.75×10−2 T magnetic field. If an electron ismoving in the positive x direction and the magnetic fieldis oriented 55.0° from the z axis in the firstquadrant of ..
my kids came up with a form of tether ball where they attached a ball to a string and let it swing around the role.
Starting from rest, a 4.4-kg block slides 2.70 m down a rough 30.0Â° incline. The coefficient of kinetic friction between the block, Determine the work done by the force of gravity
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
describe the position of Gabriele
A force of 0.053 N is needed to move a charge of 37 \muC a distance of 25 cm in an electric field. What is the size of the electric potential dissimilarity between the two points?
A particle of mass m is moving in the positive x direction at speed v, Obtain the magnitude of the impulse J delivered to the particle
A ball which diameter is 1.6 centimeter rolls down an incline and its center moves with a linear acceleration of 3.3 m/s2. Find what is the angular speed of the ball if it rolls for 1.5 s from rest
Find the velocities of the two blocks after the collision. During the collision, at the instant block 1 is moving to the right with a velocity of 1.0 m/s as in figure (b), determine the velocity of block 2.
A thin rectangular plate of uniform areal density ? = 2.90 kg/m2 has length of 34.0 cm and width of 24.0 cm. There is a circular hole of radius 6.00 cm with center at (x,y) = (11.00,10.00) cm in the plate. Calculate the mass of plate
The crane pulls on the slab with a force of 4000N at an angle of 20o to the left of vertically upward. The only other force acting on the slab is the force of air resistance. What is the magnitude of the force of the air resistance? What is the di..
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