Find out the new water temperature
25 g of copper pellets are removed from a 300C oven and immediately dropped into 100 mL of water at 18C in an insulated cup. What will the new water temperature be?
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A car of mass 973 kg coasts on a level road, starting with an initial speed of 13.8 m/s and coming to rest 14.7 s later. Find the frictional force acting on the car.
Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 44.3 °C is present. Ignoring the container and the equilibri
What are 2 forces that are acting on a skydiver after the skydiver has jumped out of a plane?
What is the force of gravity between two 1490 kg cars separated by a distance of 33 m on an interstate highway?
Why is childhood innocence so valuable to have?
A particle moves in a circular orbit in an attractive potential V(r). Expand the Lagrangian to second order about equilibrium coordinates, r_0, phi = wt and find the condition for stability against small oscillations.
A 5.00-g lead bullet traveling at 470 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in
A helium-filled weather balloon has a volume of 240. L at 99.0 kPa and 0C. How many moles are in the balloon?
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