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An airplane has a mass of 27,500 kg and takes off under the influence of a constant net force of 41,000 N. What is the net force that acts on the plane's 83 kg pilot?
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Question: Pluto moves in a fairly elliptical orbit around the sun. Pluto's speed at its closest approach of 4.43 *10^9 km is 6.12 km/s. What is Pluto's speed at the most distant point in its orbit, where it is 7.30 *10^9 ...
Question: A simple wheel has the form of a solid cylinder of radius r with a mass m uniformly distributed throughout its volume. The wheel is pivoted on a stationary axle through the axis of the cylinder and rotates abou ...
Question: A solid disk of mass m1 = 9.6 kg and radius R = 0.24 m is rotating with a constant angular velocity of ? = 30 rad/s. A thin rectangular rod with mass m2 = 3.4 kg and length L = 2R = 0.48 m begins at rest above ...
Question: A radar used to detect the presence of aircraft receives a pulse that has reflected off an object 8.5*10^-5 s after it was transmitted. t = 8.5*10^-5 s 1. What is the distance in m from the radar station to the ...
Question: A 30.0kg- box is being pulled across a carpeted floor by a horizontal force of 230N, against a friction force of 210N. What is the acceleration of the box? How far would the box move in 3s, if it starts from re ...
Question: Phenols do not exhibit the same pKa values as other alcohols; they are generally more acidic. Using the knowledge that hydrogen acidity is directly related to the stability of the anion for (conjugate base), ex ...
Question: a) What is the potential difference V ad in thecircuit? b) What is the terminal voltage of the 4V battery? c) A battery with emf 10.3V and internal resistance .5ohm isinserted in the circuit d with its negativ ...
Question: Part A: How many different values of l are possible for an electron with principal quantum number n = 3? Express your answer as an integer. Part B: How many values of ml are possible for an electron with orbita ...
Question: You release a fritionless cart at the top of each of the 2 ramps. Both carts are released from rest. The ramps have the same height as each other at the starting and finishing points. One has a small bump up th ...
If you pick up a 5.7 kg object from the ground and lift it to a height of 0.98 m above the ground in 1.66 seconds, how much power is expended? (Use the value of 9.8 m/s 2 for the acceleration of gravity.) Please provide ...
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