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An athlete executing a long jump leaves the ground at a 35.0? angle and travels 7.90m
a.) What was the takeoff speed?
b.) If this speed were increased by just 5.0%, how much longer would the jump be?
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
A wire is 1.4 m long and 1.3 mm2 in cross-sectional area. It carries a current of 5.8 A, Calculate the conductivity of the material of which this wire is made
The auditory canal, leading to the eardrum, is a closed pipe 2.8 cm long. Find out the approximate value (ignoring end correction) of the lowest resonance frequency.
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm
A sample of CO2 has a mass of 50 g. What is the number of molecules of carbon dioxide in the 50 g sample
a cylindrical resistor of radius 1.0 mm and length of 1.0 cm has resistance of 10 ohms. calculate the uniform current density in the resistor when the power of the resistor is 1 watt
A hotel elevator ascends 140 m with a maximum speed of 5.80 m/s. Its acceleration and deceleration both have a magnitude of 1.50 m/s2.
Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..
A bar magnet with its north pole pointing toward a coil of wire with a cross-sectional area of 0.020 m2, find the magnitude of the induced emf in the coil of wire
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
Find the positions of the two masses at any subsequent time t (before either mass returns to the table) and describe the motion.
A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. compute the amplitude A of the motion
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