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On a very muddy football field, a 100kg linebacker tackles an 85kg halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.5 m/snorth and the halfback is sliding with a velocity of 7.3m/s east.
a) What is the magnitude of the velocity at which the two players move together immediately after the collision?
b) What is the direction of this velocity?
An aluminum rod is 24.0 cm long at 20°C and has a mass of 350 g. If 14,000 J of energy is added to the rod by heat, what is the change in length of the rod
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted
find static friction between the chair and the floor.
A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
A parallel-plate capacitor is to be constructed by using, as a dielectric, rubber with a dielectric constant of 3.20 and a dielectric strength of 25.0MV/m. find the minimum area the plates of this capacitor can have
A train moving at a constant speed of 58.0 km/h moves east for 46.0 min, then in a direction 57.0° east of due north for 14.0 min, What is the average velocity of the train during this run
Two masses of 3 kg and 5 kg collide head-on, the former moving to the right with the speed 5m/s, What amount of mechanical energy is lost
The amplitude of the electric field of an electromagnetic wave is 197 V/m.
Consider a solid sphere of radius 15 cm, at a temperature of 68 degrees Celsius. What is the power radiated (in watts) by the sphere
A cannon fires a cannon ball at 769.26 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A 20 g plastic ball is moving to the left at 35 m/s. How much work must be done on the ball to cause it to move to the right at 35 m/s
Calculate the period of the square wave (in milliseconds) to which the function generator is to be set in order five 1/e-times of the RC circuit to be accommodated into one half of the square wave
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