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An 80 kg hockey player is gliding down the ice with a velocity of 7.5 m/s in +ve x directon.he is hit by a defensive player of mass 105 kg ans an initial velocity of 4.5m/s in -ve y direction.if the players experience a completely inelastic collision, what are the x n y component of their final velocity?
During a 10 minute period, 30 grams of steam condenses into water. How much energy flowed out of the water-steam mixture, What is the change in the entropy of the water-steam mixture
Seismographs measure the arrival times of earthquakes with a precision of 0.100 s.7 To get the distance between to the epicenter of the quake, they compare the arrival times of S- and P-waves, which travel at different speeds.
q1. a point charge q1 -8.9 muc is located at the center of the thick conducting shell of inner radius a 2.2 cm and
You are traveling on a hilly road. At a particular spot, when your car is perfectly horizontal, What is the radius of the circular arc in meters
A 900 g rubber ball is dropped from a height of 14 m and undergoes a perfectly elastic collision with the earth. What is the earth's velocity after the collision
what was the initial speed of the bullet. find the heat that flows in 1.0 s through a lead brick 15 cm long if the temperature difference between the ends of the brick is 8.5 degrees celsius. the cross sectional are of the brick is 12 cm squared.
A proton accelerates from rest in a uniform electric field of 644 N/C. At some later time, its speed is 1.14 106 m/s. Find the magnitude of the acceleration of the proton
assume the roller coaster (h1 = 32 m, h2 = 11 m, h3 = 20) passes point A with a speed of 3.50 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B? The distance traveled is 30m.
An unstrained horizontal spring has a length of 0.37 m and a spring constant of 340 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes.
A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision with the ground he comes to rest in a time of 0.040 s. From what height did the student fall
A 10-kg projectile launched over level ground has three times the kinetic energy at the moment of its launch as it does at its peak height. Find its impact velocity
A bicycle racer is traveling at 10 m/s with an acceleration of 0.5 m/s^2. The radius of the bicycle wheel is 33 cm. What is the angular velocity of the bicycle wheels
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