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If the initial velocity of a cannonball is 40m/s and the cannonball is launched at 72O above the horizontal, how much time does it take to reach the ground again? (In other words, what is t after the flight?)
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
A marksman holds a rifle of mass MR=3.00kg loosely inhis hands, so as to let it recoil freely when fired. He fires abullet of mass MB=5.00g horizontally with a velocityrelative to the ground of VBX = 300 m/s. What is the recoil velocity of the rifle?
Determine the temperature at which the resistance of atungstenwire will be three timesits value at 20°C. Assume its coefficient of resistivity remains constant.
An automobile tire has a radius of 0.430 m, and its center moves forward with a linear speed of v = 14.0 m/s. Determine the angular speed of the wheel
a pickup truck has a width of 78.6 in. if it is traveling north at 34 ms through a magnetic field with vertical
A 75.00 ? resistor, a 95.00 mH inductor, and a 55.00 ?F capacitor are connected in series with an ac source with amplitude of 50.00 V. What is the natural angular frequency
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.60×106N, What is the total work done by the two tugboats on the supertanker
Take element Z = 80 from the periodic table. Ionize it 79 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron
A force, 20N, is applied to a 2 kg block on a tabletop with a coefficient of friction of 0.3. The force is applied to the right, above the horizontal at 60 degrees.The object is pulled to the right along the surface for a distance of 5m. What work wa..
a spacecraft is in orbit around a planet. the radius of the orbit is 3.0 times the radius of the planet which is r
The induced electric field 13cm from the axis of a solenoid with a 8.5cm radius is 40V/m. Find the rate of change of the solenoid's magnetic field
Near the South Pole, a supply plane going at 120 mph drops a 60 kg supply package into a sled that was initially at rest. Estimate the mass of the sled
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