Determine the average net force exerted
During a circus performance, a 71-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 1.04 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
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A laser beam of wavelength 537 nm is incident on two slits 0.263 mm apart. How far apart are the bright interference fringes on a screen 7.59 m away from the double slits?
Suppose you walk 3.97 m down a 30° incline while holding a 1.05 kg block. The 3.97 m distance is measured as a displacement along the incline; not as a vertical change in height. How much work do you do on the block as you walk down the inclin
Waves from a radio station have a wavelength of 358 m. They travel by two paths to a home receiver 15.7 km from the transmitters. One path is a direct path, and the second is by reflection from a mountain directly behind the home receiver. What is
If you weigh 700N on the earth, what would you weigh on the surface of a neutron star that has the same mass as our sun and a diameter of 20.0 ?
Two thin lenses with a focal length of magnitude 15.0cm , the first diverging and the second converging, are located 11.3cm apart. An object 2.00mm tall is placed 25.0cm to the left of the first (diverging) lens.
An airplane has a mass of 28,500 kg and takes off under the influence of a constant net force of 42,500 N. What is the net force that acts on the plane's 79 kg pilot?
A long, thin solenoid has 811 turns per meter and radius 2.5cm . The current in the solenoid is increasing at a uniform rate of 75.9 A/s. a) What is the magnitude of the induced electric field at a point 0.207 cm from the axis of the solenoid?
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 33 m/s (around 70 mi/h) in a time of 6.7 s. The mass of the car and riders is 4400 kg. Find the average net force exerted on
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