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Two blocks of mass 3 kg and 6 kg resp are placed on a smooth horizontal surface. They are connected by a light spring of force constant k=200 N/m. Initially the spring is unstretched.Velocity of 1 m/s is imparted to the block of mass 3 kg and vel of 2 m/s is imparted to the 6 kg block. The velocities are in opposite directions(such that they are moving away from each other). Find the maximum extension in the spring.
Auto companies frequently test the safety of automobiles byputting them through crash tests to observe rge integrity of thepassenger compartment. with what average force is it brought to rest
A 5kg mass starts from rest and slides down on an inclined plane, hits a bumper at the bottom of the inclined plane and bounces back up the inclined plane and comes to rest again. During the collision with the bumper, 0.7j of energy is lost.
with what speed would the arrow leave the bow.
a landing airplane makes contact with the runway with a speed of 40 m/s and moves toward the south. What is the average acceleration of the airplane
A disk-shaped merry-go-round of radius 2.78mand mass 160kg rotates freely with an angular speed of 0.696rev/s. What is initial and final kinetic energy
A generator supplies 140 V to a transformer's primary coil, which has 70 turns. If the secondary coil has 610 turns, what is the secondary voltage
After a plant or animal dies, its 14C content decreases with a half-life of 5730 years. what is the age of the ancient site
A 1000 kg rocket sled at rest on level frictionless rails is loadedwith 25kg of propellent. What average force is experienced by the rocket during the burn
A beam of light of wavelength 482 nm passes through two closely spaced glass plates, as shown in the figure below. For what minimum nonzero value of the plate separation d will the transmitted light be bright? This arrangement is often used to measur..
Calcium carbonate, CaCo3, can be in two different solid phases, calcite or aragonite. Which phase is more stable at room temp? At what pressure are both phases stable?
A canoe has a velocity of 0.550 southeast relative to the earth. The canoe is on a river that is flowing at 0.510 east relative to the earth. Find the magnitude of the velocity of the canoe relative to the river.
An automobile battery has an emf of 12.60 V and an internal resistance of 0.076 0 ?. What is the potential difference across the headlight bulbs when they are the only load on the battery
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