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An object has a kinetic energy of 311 Joule and a momentum of magnitude 20.4 kg•m/s.
(a) Determine what the speed of the object.
m/s
(b) Determine what the mass of the object.
kg
two flexible balls rolling along a frictionless horizontal surface collide with each other. the larger of the balls
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An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.6 kg moves up and to the left at an angle of ?1 = 19.0° above the –x axis with a speed of v1 = 27.8 m/s
An object is initially placed on the optical axis 22.6 cm to the left of a convex lens that has a focal length of 13.1 cm. what is the new image distance
104.05 J of energy are transferred to a system in the form of heat while the internal energy decreases by 57.65 J. How much work is done by the system
An asteroid, who's mass is 7.8 × 10-4 times the mass of Earth, revolves in the circular orbit around the Sun at a distance that is 2.5 times the Earth's distance from the Sun.
a weather balloon with a volume of 270.0 l is launched at 20degrees c at sea level where the atmospheric pressure is
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