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Two carts are involved in an inelastic collision. The dynamics cart A with mass 0.88 kg hits the collision cart B with mass 0.550 kg (initially at rest). The two carts collide and continue along together. The dynamics cart had an initial velocity of 0.24 m/s.
What is the initial kinetic energy of the two carts?
A conducting bar rests on two parallel horizontal rails 50 cm apart forming a square area. The resistance of the bar and the rails is assumed to be constant and equal to 0.05 ??. What is the maximum value of the force acting on the bar during that ..
The elementary particle called a muon is unstable and decays after 2.20 ?s, What lifetime do you observe for the muon
A simple pendulum is constructed from a mass of 2 kg and a massless string of length 3.5 m. What is the period of the pendulum
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 120 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
The projectile remains in flight for 6 seconds and travels a horizontal distance D of 155m. Calculate the speed at which the rock was launched
A 50-cm-thick layer of oil floats on a 120-cm-thick layer of water. What is the pressure at the bottom of the water layer
A sanding disk with rotational inertia 2.0 multiply.gif 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of 8 N·m about the central axis of the disk. compute the angular momentum of the disk
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800kg/m3 , length 79.9cm, Calculate the weight of the rod, w
A 0.329-kg volleyball approaches a player horizontally with a speed of 12.9 m/s. What impulse is delivered to the ball by the player
How many electrons should be transferred from the plate. When you enter your answer, leave off the unit rm dB.
If a car traveling at 55 km/h will skid 24 m while its brakes lock, how far will it skid if it is traveling at 130 km/h when its brakes lock.
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
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