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Q1. 150 grams of boiling water (temperature 100 C, heat capacity 4.2 J/gram/K) are poured into an aluminum pan whose mass is 870 grams and initial temperature 22 C (heat capacity of aluminum is 0.8 J/gram/K). After a short time, what is the temperature of water?
Q2. A rifle with a barrel length of 56 cm fires a 14 g bullet with a horizontal speed of 350 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 13 cm.
How long does it take the bullet to come to rest?
Monochromatic light from a distant source is incident on a slit 0.750 {rm mm} wide. On a screen 2.00 {rm m} away, the distance from the central maximum of the diffraction pattern to the first least amount is measured to be 1.35 {rm mm}.
What are speed and direction of the ball after the collision
Determine an angle (in radians) through which the drill rotates during this period.
A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
Conclude the electric field at the origin
What is the separation distance between speaker and listener
Distance between focal plane and lens
A 346-, uniform, 1.04- bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 506.0 without breaking, and cable B can support up to 436.0. You want to place a small weight on this bar. What is the h..
Find out the gravitational potential energy
How long does the total trip last
Find out the magnetic force on the rod
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