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A 4.60 kg block of ice at 0°C is added to an insulated container partially filled with 11.6 kg of water at 15.0°C.
(a) Find the final temperature, neglecting the heat capacity of the container.
°C
(b) Find the mass of the ice that was melted.
A vector force F= 6i + 5j N causes a torque on the end of vector distance R= 3i m. Use the cross product to find the resultant torque
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. find the density if the object and the oil
An automobile traveling at 40.0 km/h has tires of 50.0 cm diameter. How far does the car move during the braking
A boy holds a 40-N weight at arm's length for 10 s. His arm is 1.5m ablove the ground. The work done by the force of the boy on the weight is
Two turning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
A ball of mass 1.7 kg hangs at the end of a string 1.2 m in length from the ceiling of a room. The height of the room is 4.0 m. What is the gravitational potential energy of the ball relative to the ceiling
A river has a steady speed of 0.25m/s. A student swims upstream a distance of 1 km and swims back to the starting point. If the student can swim at the speed of 1.4m/s in still water.
Suppose you want to run some apparatus that is 85 from an electric outlet. What voltage will be applied to your apparatus
What is the magnitude of the vertical component of its velocity as it strikes the ground.
A group of hikers hears an echo 3 s after shouting. If temperature is 16°C, how far away is the mountain that reflected sound wave.
A glass plate 2.5 cm long is separated from another glass plate by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands
Consider two particles with masses that differ by a factor of 325. what is the ratio of their kinetic energies
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