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A fictional news reports stated that starship Enterprise had just returned from a 10 y voyage while traveling at 0.80 c.
a) If the report meant10 years of Earth time, determine how much time elapsed on the ship?
A merry go round in the park has a radius of 1.8 m and a rotational inertia of 900kg-m2.1. A child pushes the merry-go-round with a constant force of 80 n applied at the edge and parallel to the ege. A-frictional torque of 12 N-m acts at the axle of ..
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
when the tips of the rotating propeller of an airplane have a linear speed greater than the speed of sound the
Compute the expected sea level rise for the projected 4°C mean global temperature rise anticipated by 2100. The average depth of the ocean is 3790 m, but you will not consider this whole depth to be expanding. Instead you will only consider the ex..
A wire 30 centimeter long with an east-west orientation carries a current of 3 Amp eastward. evaluate the direction and magnitude of the magnetic field
A flat (unbanked) curve on a highway has a radius of 260. A car rounds the curve at a speed of 26.0. What is the minimum coefficient of friction that will prevent sliding
An iron bolt of mass 79.0 g hangs from a string 32.4 cm long. The top end of the string is fixed, Find the tension in the string and Find the magnetic force on the bolt
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
A Satellite circles planet Zeron every 98 minutes. The mass of the planet Zeron is known to be 5.0x 10 24 kg. What is the radius of the orbit of the satellite
A parallel plate capacitor has a left plate with a positive charge of +Q and a right plate with a charge of -Q. The magnitude of the electric field between the plates is 100 V/m The plates each have an area of 2.0x10-3 m2 with a spacing of plate..
A hiker is wearing wool clothing of 0.40 cm thickness to keep warm. Her skin temperature is 39° C and the outside temperature is 8.0° C. what is the rate of heat conduction through her clothing
Sunlight reaches the surface of the earth with a total intensity of about 1200 W/m^2. What is the total force this sunlight applies
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