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Determine the specific heat capacity of an unknown sample of metal. mass of metal = 100 g temperature of metal = 100 C mass of water = 100 g temperature of water = 20 C Specific Heat of Water 4.18 J/g-K Final Temp of Water and Metal = 28.69 C
Two identical pucks are placed on a collision course on an air table as shown. After the collision puck A has a final velocity of 5 cm per second, Determine the initial speeds of both pucks
A square with sides of length L=.1 m has a point charge of 2 microC at each of its four corners. Find the magnitude of the force acting on any one of the charge
A circuit similar to the one you will b e measuring has a current of 0.1 A flowing when the voltage is 2. 5 V, What color code does the res istor probably have
Two charges are placed on the x axis. One of the charges (q1 = +6.95C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find out the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b..
A 0.69 cm high object generates an image that is 0.8 cm high. The lens has a focal length of 7 cm, Find the image and object distances
An open container holds ice of mass 0.530 kg at a temperature of -15.7 Celsius . The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 810J/minute.
A block "A" of mass 3 kg on the table is connected to another block "B" of mass 2 kg hanging beneath by a string of negligible mass which passes through the hole. Calculate the unknown angular speed
A 0.32-kg object connected to a light spring with a force constant of 22.4 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
A uniform rod of mass m and length l is kept vertical with the lower end clamped. What wil be the linear speed of the free end at this instant
A large storage tank, open at the top and filled with water, develops a small hole in its side at a point 16.4 m below the water level. Determine the diameter of the hole
Find out the tension in the strap; given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
A 62 kg person on skis starts from rest down a hill sloped at 40° from the horizontal. The coefficient of friction between the skis and the snow is 0.10.
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