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An iron tower in is 381 meters tall on a cold day (T = -6.1 degrees Celsius). What is the final height (total) of the tower on a hot day when the temperature is 35.8 degrees Celsius? Record your answer to two decimal places.
The Zacchini family was renowned for their human cannon ball act in which a family member was shot from a cannon using either elastic bands or compressed air. In one version of the act, Emanuel Zacchini was shot over three Ferris wheels to land in a ..
A particle moves in the xy plane with coordinates given by X= Acoswt and y= Asinwt, where A= 1.5 m and w = 2.0 radians per second. What is the magnitude of the particle's acceleration
Catapult launches rocket 53,0o above the horizon at 100 m/s.The rocket immediately starts a burn, and for 3.00 second the rockets moves along its initial line of motion with an acceleration of 30 m/s^2. Determine the maximum height reached
Monochromatic light falls on two verynarrow slits 0.048mm apart. Successive fringes on a screen5.00m away are 6.5cm apart near the center of the pattern. What is the wavelength and frequency of the light
A shotgun blast of 140 decibels occurs with humidity of 70% and temperature of 50 degrees. Illustrate what is the decibel level at 100 yards away? At 200 yards
question a satellite circles planet roton every 6.3 h in an orbit having a radius of 2.9 times 107 m. if the radius of
The sun radiates energy at the rate 3.8*10^26W. The source of this energy is fusion, a nuclear reaction in which mass is transformed into energy. Estimate the lifetime of the sun
A light bulb is connected to a 240 Vwall socket. The current in the bulb depends on the time t according to the relation I = (2.121 A) sin[ (439.6Hz) t ]. What is the resistance of the bulb's filament?
An electric motor rotating a workshop grinding wheel at a rate of 8.90 101 rev/min is switched off. How long does it take for the grinding wheel to stop
A car and a truck are both travelling at the speed limit of 60 km/h but in opposite directions. Calculate the speed of the combined wreck immediately after the collision
Mercury makes one complete orbit of the Sun every 0.24 years. Calculate the radius of the orbit of Mercury
Suppose two kids get on a 4 meter long teeter-totter. The one on the right creates a CW torque of 350 Newton-meters (Nm). Quite by coincidence, when the other kid sits at 1 meter from his end they balance perfectly. How much does second kid weigh.
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