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A basketball star covers 3.10 m horizontally in a jump to dunk the ball. His motion through space can be modeled precisely as that of a particle at his center of mass. His center of mass is at elevation 1.02 m when he leaves the floor. It reaches a maximum height of 1.80 m above the floor and is at elevation 0.940 m when he touches down again.
a. Determine his time of flight (his "hang time").
b. Determine his horizontal velocity at the instant of takeoff.
c. Determine his vertical velocity at the instant of takeoff.
d. Determine his takeoff angle
Explain whys the temperature of a gas increases
A space traveller weighs herself on Earth, at a location where the acceleration due to gravity is 9.82 m/s2, and finds a value of 571 N. What is the traveller\'s mass on the planet
A guitar string with a mass of 12 g is 80 cm long and attached to the guitar at two points separated by 65 cm. What is the frequency of its fundamental note when it is placed under a tension of 170 N? Answer A) 74 Hz B) 82 Hz C) 93 Hz D) 150 Hz E)..
you are driving through town at 13.5 ms when suddenly a ball rolls out in front of you. you apply the brakes and begin
General information about the use of intensifying screens in radiology, and how films intended for use with intensifying screens differ from non-screen films. Describe the image receptor response curve for CR
In the movie Thelma and Louise, the two actresses drove off a cliff at the end. In preparation for the scene, their stunt double determined that the cliff was 50.0m high. The director wants the car to land 90.0m from the base of the cliff close ..
A 2.54kg block is pulled across a floor by a 15.64 N force. The coefficients of static and kinetic friction are 0.4 and 0.2. What is the speed of the block after 4.59 m
Two bumper cars collide head on. Before the collision, car 1 is coming from the right at 3m/s and has a total mass of 200kg. Car 2 is coming from the left at 5m/s and has a total mass 250kg (the driver of car 2 is a lot fatter than the driver of c..
A copper rod is 30 cm long and has a cross-sectional area of 1 cm^2. The coefficient of thermal conductivity is 100 W/mK. what is the heat flow along the rod
A block with mass m = 1.8-kg attached to the end of a spring undergoes simple harmonic motion on a horizontal frictionless surface. The oscillation period is T = 5.0-s and the oscillation amplitude is A = 12.7-cm. When the spring is unstretched the b..
A river with the width of 800 m flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; How much time required to cross the river
A rock weighing 7150 N rock with avolume of 34 L is completely submerged inmercury. The density of mercury is 13.6 kg/L. Determine the density of the rock
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