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When t = 0 s, a flower pot on a window sill drops from rest to the sidewalk some 32.0 m below and shatters into smithereens, luckily missing all pedestrians.
A) How long was the pot in flight?
B) What is its maximum speed?
C) How fast is the pot moving when it is at a height of 12.0 m above the ground?
D) How far above the ground is the flower pot when t = 1.00 s?
Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 23.0m/s as it leaves the hose nozzle. How high above the ground does the water strike the building
You are practicing throwing darts in your dorm. You stand 3.33 m from the wall on which the board hangs. Calculate the time of flight of the dart
when it falls back it hits the ground with speed v1=50m/s. The mass of the ball is m=20g. Illustrate what is the total work done by the drag force while the ball is in the air?
In an amusement park ride called The Roundup, passengers stand inside a 19.0 m -diameter rotating ring. What is the longest rotation period of the wheel that will prevent the riders from falling off at the top
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the frequency (in Hz) of the eardrum's vibrations
what is meant by 'net charge a. the total amount of positive charge of an object b. the total amount of negative charge on an object c. the total amount of neutral charge on an object d. A minus B
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 5.52 kg crate to the bottom of a steep ravine of height 23.9 meters. At what speed will the crewman hit the bottom of the ravine
Illustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded.
A 51kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 250N. For the first 10.5m the floor is frictionless, and for the next 10.5m the coefficient of friction is 0.18. What is the final speed of the crate af..
How long after the car passes point A does the radio experience a minimum in the net signal? suppose that the wavelength has the value found in part.
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string? (b) What is the wave speed when the suspended mass is 1.7 kg?
A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture
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