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A probe in deep space is infested with alien bugs and must be blown apart so that the icky creatures perish in the interstellar vacuum. The craft is at rest when its self-destruction device is detonated, and the craft explodes into two pieces. The first piece, with a mass of 6.00×108 kg, flies away in a positive direction with a speed of 210 m/s. The second piece has a mass of 1.00×108 kg and flies off in the opposite direction. What is the velocity of the second piece after the explosion?
q1. a 60-g ball travelling at 22.0 ms is bounced off a brick wall and rebounds at 20.0 ms. a high-speed camera records
Gillian buys a pendulum clock at a discount store and discovers when she gets it home that it loses minutes each day.
In a marathon race, Chad is out in front, running due north at a speed of 3.95 m/s. John is 92 m behind him, running due north at a speed of 4.53 m/s. How long does it take for John to pass Chad
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
A 3.9 kg block originally at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18 N.
A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters an electric field of 5.00 N/C. what is the charge that it carries
A vertical solid steel post of diameter d = 21.4cm and length L = 2m is required to support a load of mass m = 7650kg. What is the stress in the post
The period of motion of an object-spring system is T = 0.546 s when an object of mass m = 254 g is attached to the spring, Find the frequency of motion in hertz
The output voltage of an AC generator is given by ?v = 107 V sin (45?t). Find average power delivered to the inductor
A truck with 0.420 m radius tires travels at 34 m/s. What is the angular velocity of the rotating tires in radians per second
A proton starts out moving horizontally from a positive plate to a negative plate of equal size and equal magnitude of charge. Calculate this difference of heights in meters
A disk of radius 40cm is spinning at a constant angular velocity of 30radian/s. Find the acceleration of a point on the rim of the disk
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