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Describe an addition reaction that alkenes and alkynes undergo. Why can't alkanes undergo addition reactions? What does CFC stand for? What is the primary use of CFCs? Why is their use a problem?
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them. What is the speed of the second train
A cart loaded with bricks has a total mass of 7.5 kg and is pulled at constant speed by a rope. How much work is done on the cart by the rope
a box of textbooks at an unknown mass is set in motion with the intial speed of 0.5 m/s on a loading ramp that makes and angle of 16 degrees with the horizontal. find the normal force on the box
Batman (mass = 101 kg) jumps straight down from a bridge into a boat (mass = 590 kg) in which a criminal is fleeing. What is the velocity of the boat after Batman lands in it
A srting acquires a tension due to mass of 3 kilograms at one end. The string has a linear mass density of 0.02 kg/m. What is the speed of the waves in the spring? Show all essential steps to solution.
You have a 1.5 m long copper wire. You want to make an N-turn current loop that generates a 2.4 mT magnetic field at the center, What will be the diameter of your coil
what volume should the balloon have after being inflated. Billiard ball A of mass mA=0.400kg moving with speed vA=1.80m/s strikes ball B, initially at rest of mass mB=0.500kg. As a result of collision, ball A is deflected off at an angle of 30.0 deg..
A parallel-plate capacitor has plates, each with an area of 4.0 cm2, that are separated by a distance of 0.30 mm. How much work was required to pull the plates
A wrecking ball used to knock down buildings has a mass of m = 1250 kg and is suspended from a cable of length L =23 m. what is the highest mass the ball can have
Use the pivot as the reference point because then two of the four forces on the plank exert zero torque. Which two? Since the plank is at rest, Find the normal force acting at the pivot point
A hoop and a disk (both of mass 2 kg and radius of 0.3 m) roll without slipping up a straight incline with an initial velocity of 3.2 m/s. What is the maximum gain in height of the disk
A puck (mass m1 = 2.50 kg) slides on a frictionless table. The puck is tied to a string that runs through a hole in the table and is attached to a mass m2 = 7.5 kg. What is the change in the kinetic energy of the puck
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