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A 30 kilogram block rests on a rough horizontal surface with μk = 0.20. It is connected by a mass less cord to a 10 kilogram block which is hanging freely from the edge of the table. The 30 kilogram block moves 5 meter after the system are released.
Evaluate what is the friction force?
Evaluate how much work is done on the surface by the 30 kg block?
Evaluate what the change in potential energy of the 10 kg block? Evaluate the speed of the system after it moves 5 m? Use energy methods only.
A baseball catcher moves his glove away from a 36.0 m/s fastball as he catches it. If the average force he exerts on the ball is 1.05*103 N, how far does the glove move? Assume constant deceleration of the ball, which has a mass of 0.142 kg.
A 2 cm diameter, 5 cm long capillary-tube viscometer is being used to measure viscosity of a 10 Pa s liquid food. Determine the pressure required for measurementhen a flow rate of 1 kg/min
A racecar with a speed of 60 m/s is taking a curve with a radius of 10 m. What is the acceleration of the racecar? What is the centripetal force acting on the car (mass = 400 kg)?
determine the change in the internal energy of a system that absorbs 327 cal of thermal energy while doing 750 j of
a 12oz can of coke contains 39 grams of sugar. you pour 5oz of coke into a glass. give an interpretation if there is
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a point charge of 6.90 microc is located on the x-axis at x 6.00 m next to a spherical surface of radius 5.00 m
A 200 g cord is stretched over a distance of 5.2 mand placed under a tension of 500 N. Compute the speed of a transverse wave in the cord
A wire carries a current of 0.665 A. This wire makes an angle of 55.5° with respect to a magnetic field of magnitude 4.92E-5 T, What is the length of the wire
An inductor with an inductance of 2.60H and a resistor with a resistance of 14.0ohms are connected to the terminals of a battery with an emf of 7.00V, obtain the initial rate of increase of current in circuit
a swimmer is capable of swimming 0.60 ms in still water.a if she aims she aims her body directly across a 55 meter wide
A particle leaves the origin with an initial velocity v = (1.00 ) m/s and a constant acceleration a = (-1.00 - 0.700 ) m/s^2. What is the position vector of the particle at this time
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