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Concept Simulation 2.2 offers a useful review of the concepts that lie at the heart of this problem. Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an initial velocity of +4700 m/s, while rocket B has an initial velocity of +9400 m/s. After a timet both rockets are again side by side, the displacement of each being zero. The acceleration of rocket A is -19 m/s2. What is the acceleration of rocket B?
a small freshman is released from rest and falls screaming 30.5 m near the surface of the earth. neglect air
Find the photon energy in electron volts for electromagnetic waves of the following frequencies. 103 MHz in the FM radio band and 872 kHz in the AM radio band.
Draw a suitable diagram, defining your variables and coordinate system. Express the velocity vector of the stone at t=0 in i(hat), j(hat) format. How far horizontally from the launch point is the buliding located.
At relatively high temperatures nitrogen and oxygen more readily form a compound according to: N2(g) + O2 2NO(g). Calculate kp given that the initial pressures of nitrogen are 95 atm and 80 atm
In tae-kwon-do, a hand is slammed down onto a target at a speed of13m/s and comes to a stop during the4.4ms collision. find the magnitude of the impulse on the hand from the target
The right-side rearview mirror of Mike's car says that objects in the mirror are closer than they appear. Mike decides to do an experiment to determine the focal length of this mirror. He holds a plane mirror next to the rearview mirror and views ..
A playground is on the flat roof of a city school, 4.6 m above the street below (see figure). The vertical wall of the building is h = 6.10 m high, forming a 1.5-m-high railing around the playground.
Two soccer players start from rest, 49.0 m apart. They run directly toward each other, both players accelerating. The first player has an acceleration whose magnitude is 0.574 m/s2. The second player's acceleration has a magnitude of 0.226 m/s2. H..
A point charge +2.40 is held stationary at the origin. A second point charge -4.30 moves from the point = 0.175 , = 0 , How Much work is done by the electric force on q2
While running, a man dissipates about 0.60 Joule of mechanical energy per step per kilogram of body mass. determine how fast is the man running
A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N. What is the kinetic energy of the satellite in this orbit
two plates of radius R are separated by a distance 2h.the top plate rotates with velocity w. find the velocity as a function of radius r and and height z
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