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Inside an insulated container, a 250-g ice cube at 0 °C is added to 200 g of water at 18 °C.
(i) What is the final temperature of the system?
(ii) What is the remaining ice mass?
A 4.15 g lead bullet traveling at 316 m/s is stopped by a large tree. what is the increase in temperature of the bullet
How long does it take the crate to hit the ground. suppose that the plane continues to fly with the same velocity.
You're making delieveries to several different stops, each several miles from the next. Find the vector displacement of your whole trip
A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used, What is the maximum value of the instantaneous power
It is said that Galileo discovered a basic principle of the pendulum - that period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral as they swayed in the breeze. assume that one oscillation..
Illustrate what constant acceleration does Mary now need during the remaining portion of the race, if she wishes to cross the finish line side-by-side with Sally?
A 120 V space heater has two power settings. The equivalent resistance at the two settings are 19 ? and a 37 ?, After making a guess, determine the power at the low setting
A 15.0{rm cm}-diameter non-conducting sphere carries a total charge of 2.25 mu {rm C}, distributed uniformly throughout its volume. Graph the electric field E as a function of the distance r from the center of sphere from r = 0 to r = 30.0{rm{ cm}..
A 35 ? lamp and a 90 ? lamp are connected in series and placed across a potential of 40 V. What is the voltage drop across the first lamp
A 100 g meter stick is allowed to pivot about its center. A 1 g bb is shot at the end of the stick (where it is embedded) causing it to rotate, What is the initial velocity of the bb
A 64-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 834 N. What is the acceleration of elevator.
Which statement is true concerning the magnitude of the net force on the plane.
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