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Find the frequency (in Hz) of the fundamental mode of a 1.5 m long string with linear mass density of 0.001 kg/m and a tension of 0.5 N.
question an object fired at an angle of 39 degrees above horizontal takes 1.10 s to travel the last 12.5 m of its
A 22.5 g bullet is fired from a rifle. It takes 2.60 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 77 km/h. What is the car's centripetal acceleration in m/s2
Large meteors can impact the earth with speeds of 80,000 km/h. If such a meteor were to impact at a point on the plane of Earth's equator, calculate the mass of the meteor
A certain dog whistle operates at 23.0 kHz while another (brand X) operates at an unknown frequency. estimate the operating frequency of brand X
a uniform electric field exists between two conducting plates separated by 1.9 mm. a dust grain with charge 65 nc nano
a styrofoam cooler is in the shape of a rectangular box. its interior dimensions are 30times40times60 cm. its walls are
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
A 22 gauge NiAg wire is 22.5 km long. The resistivity of the NiAg wire is 33.0*10^-8 Ohm*m. The cross sectional area of the wire is 3.22*10^-7. How much energy is dissipated in a day
A 0.740 m long brass pendulum experiences a 20.0°C temperature increase, Find the ratio of the change in period to the original period, What is the change in the period
A 85 kilogram crate sits in a 280 kilogram boat. Find what is the acceptable range of forces that a boat propeller can exert on the water
The slit spacing is 0.20nm and the wavelength of the light is 600nm. What is the distance from the slits to the screen
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