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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
You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 36.8oC. what is its temperature in degrees Fahrenheit
For a spring-mass oscillator, if you triple the mass but keep the stiffness the same, what numerical factor does the period change? That is, if an original period was T and the new period is bT, what is b? It is useful to write out the expression ..
The Julian calendar, instituted by Julius Caesar in 46 B.C. and replaced by the modern Gregorian calendar beginning in 1582, averaged 365.25 days in length. How many annual events, such as the vernal equinox, move through the calendar while the Ju..
A guitar string with a linear density of 2.0 g/m is stretched between supports that are 60 cm apart. What is the frequency of the fifth harmonic of this string
An unstable high energy particle is created in the laboratory, and it moves at a speed of 0.968c. Calculate what is the dilated lifetime
You drive on Interstate 10 from San Antonio to Houston, half the time at 50 km/h and the other half at 88 km/h. On the way back you travel half the distance at 50 km/h and the other half at 88 km/h. (a) What is your average speed from San Antonio to ..
A 0.144 kg baseball is pitched horizontally at +38 m/s and after it is hit by the bat it moves horizontally at -38 m/s.
A spherical conducting shell has 12 microcoulombs of positivecharge inside on it. The radii of the shell are r(inner)=12 cm and r (outer)=2r(inner). A particle of -4 microcoulombs is placed at the center of the shell.
You pull downward with a force of 25 N on a rope that passes over a disk-shaped pulley of mass 1.3 kg and radius 0.075 m. Find the linear acceleration of the 0.66-kg mass
an unusual spring has a restoring force of magnitude f 2.0 nm x 1.0 nm2x2 where x is the stretch of the spring from
Each of the lettered dots a-d shown in the figure represents a +1.0x10-5-C charged particle moving at speed 2.0x107m/s. A uniform 0.50-T magnetic field points in the positive z-direction. Determine the magnitude of the magnetic force that the field ..
a 1000kg cart is rolling to the right at 5.0ms. a 70kg man is standing on the right of the cart. what is the speed of
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