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A cork shoots out of a champagne bottle at an angle of 35 degrees above the horizontal. if the cork travels a horizontal distance of 1.3 m in 1.25 s, what was its initial speed?
1 examine a particular thin film system in some depth -review the literature.ag deposited on gaasal deposited on
An electric heater carries a current of 12.5 A when operating at a voltage of 3.60 102 V. What is the resistance of the heater
A 4mm diameter circular coil of 25 turns and total resistance 0.001O lies in the x-y plane at a distance of 3m from a long straight current-carrying wire along the x-axis. If the current in the wire is increasing at a rate of 0.2 A/s,
Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
You create a plot of T2 (in s2) vs. L (in m) and the linear fit of your graph gives a slope of 3.7484 ± 0.0069. What is the value of the local gravitational constant, g?
2.0 kg block is attached to a spring with spring constant 22 nm. while the block is sitting at rest a student hits it
A parachutist jumps out of an airplane and acceleratea with gravity to a maximum velocity of 58.8 m/s in 6.o seconds, From what height did the parachutist jump?
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 3.9 minutes
a ball is thrown upward from the top of a 23.1-m-tall building. the balls initial speed is 11.1 ms. at the same instant
A bat flies toward a moth at speed 8.15 m/s while the moth isflying toward the bat at speed 5.06 m/s. The bat emits a sound waveof 51.9 kHz. What is the frequency of the wave detected by the batafter it reflects off the moth?
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. What is the greatest height above the ground that the sandbag reach..
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period
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