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An aircraft weighing 971 N is accelerated at 9.1 m/s/s for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft? Hint: this is a multiple step problem in which you must derive the variables needed in Newton's equation for force.
Suppose the solenoid filled with a paramagnetic substance such as liquid oxygen. Qualitatively,how will this change your your answer to Part (b)? Will your reply increase, decrease,or remain the same.
A mole of air in a closed container is initially at 300k. Suppose that you now add 10 J of heat to the air, without doing any work on it, what is the total thermal energy of the air
It takes a minimum distance of 48.96 m to stop a car moving at 12.0 m/s by applying the brakes (without locking the wheels). find the minimum stopping distance
A rectangular loop of wire has dimensions 0.5m by 0.3m. The loop is pivoted at x axis and lies in the xy plane. A uniform magnetic field of magnitude 1.5 T is directed at an angle of 40° with respect to the y axis with field lines parallel to the ..
A laser used to repair a detached retina has wavelength of 532nm. How many photons are in each pulse
How long does it take the crate to hit the ground. suppose that the plane continues to fly with the same velocity.
Two students, Nora and Allison, are both the same age when Allison hops aboard a flying saucer and blasts off to achieve a cruising speed of 0.830c for 25.5 years round trip
A thin film of acetone (n = 1.25) coats a thick glass plate (n = 1.50). White light is incident normal to the film. Calculate the thickness of the acetone film
A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor, How tall is the tower
An airplane needs to reach a velocity of 407 km/h to take off. On a 2000m runway, what is the least acceleration necessary for the plane to take flight.
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 81.0 m/s at ground level. What is its maximum altitude
Two parallel wires 10 cm apart carry currents of 18 A. What is the magnetic force between two wires for both case
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