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A thermos contains 148 cm3 of coffee at 88.5°C. To cool the coffee, you drop two 12.2-gram ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. Estimate the final temperature of the coffee in degrees Celsius? Treat the coffee as if it were water.
A football quarterback throws a pass at an angle of 36°. He releases the pass 3.50 m behind the lineof scrimmage. His receiver left the line of scrimmage 2 s earlier, going straight down-field at a constantspeed of 7.50 m/s.
The prong of a tuning fork moves back and forth when it is set into vibration. what are the maximum velocity and the maximum acceleration of the prong
A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Find the translational speed at the top
Object A, which has been charged to + 16nC , is at the origin. Object B, which has been charged to ? 20nC , is at (x,y)=(0.0cm,2.0cm). What is the magnitude of the electric force on object A
W hat is lumberjacks speed relative to the shore
A piece of rock weighs 301 N in air and has an apparent weight of 202 N when suspended under water. What are the volume and density of the rock
The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after separation?
Romeo is chucking pebbles gently up to Juliet's window, and he wants the pebbles to hit the window with only a horizontal component of velocity. he is standing at the edge of a rose garden 4.5 m below her window and 5 m from the base of the wall. How..
A physicist trying to demonstrate destructive interference stands 2.7m directly in front of a speaker. A second speaker produces identical (coherent) 600Hz tones.
Calculate the ratio of the number of HBr molecules in state
A somewhat longer cable replaces the old and is attached to the steel bar 5 m from its upper end, connecting to the same place on the wall as before and maintaining the same angle between the bar and the wall.
A 45-m length of wire is stretched horizontally between two vertical posts. Find the magnitude of the earth's magnetic field at the location of the wire
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