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A rubber ball (mass 0.27 kg) is dropped from a height of 1.8 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.8 m/s.
(a) What is the magnitude and direction of the impulse imparted by the floor to the ball?
A 17.0 kgbucket of water is suspended by a rope wrapped around a windlass,that is a solid cylinder 0.500 m indiameter with mass 11.0 kg. What is the tension in the rope while the bucket is falling
A rotating cylinder about 16 {rm km} long and 6.8 km in diameter is designed to be used as a space colony. With what angular speed should it rotate so that the residents on it will experience the same acceleration due to gravity as on Earth.
Two vectors A and B have components (0, 1, 2) and (-1, 3, 1), respectively. Determine the magnitude of the sum of these two vectors
The flywheel of a gasoline engine is required to give up 530J of kinetic energy while its angular velocity decreases from 690 rev/min to 550 rev/min. What moment of inertia is required
a square loop of wire with sides of length 40 cm is in a uniform magnetic field perpendicular to its area if the
A man standing on very slick ice fires a rifle horizontally. The mass of the man together with the rifle is 70{\rm kg} , what is the final speed of the man
An object is thrown upward with a speed of 14 m/s on the surface of planet X where the acceleration due to gravity is 3.5 m/s2
Two resistanceless rails 32 cm apart rest on a 6.0° ramp. They are joined at the bottom by a 0.63 resistor, What is the terminal (steady) velocity of the bar as it slides frictionlessly down the rails
question a spring has a spring constant of k 7.500nm. if the spring is displaced 0.5500 from its equilibrium position
What is the acceleration experienced by 0 tip of the 1.50 cm long sweep second hand on your wrist watch? In M/s^2.
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.56 m radius and is 1.8 m high. The walls are 1.0 cm thick.
A 2.75-gram air inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 5.20 cm to make the balloon float. In order f..
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