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A 7-Kg bowling ball whose radius is 0.13 m is rolling directly towards you, turning 3 times per second. What are the magnitude and direction of its rotational angular momentum about you? What is its translational angular momentum about you?
A space traveler moving at a speed of 0.59c with respect to the earth makes a trip to a distant star that is stationary relative to the earth. He measures the length of this trip to be 8.5 light-years. What would be the length of this same trip (in l..
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
A candle 4.30 cm tall is 39.1 cm to the left of a plane mirror. Where is the image formed by the mirror
Two children are playing a game. The rst throws a basketball straight up, and the second tries to hit it with a thrown baseball. What is the angular impulse on the basketball
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. At what height from the ground will the two objects first meet
A 230-N child is in a swing that is attached to ropes 1.90m long. Find out the gravitational potential energy associated with child relative to her lowest position at the following times.
Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..
a block mass 15.92kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 2.11m/s^2. What is the tension in the cable
A straight ladder is leaning against the wall of a house. Theladder has rails 4.40 m long,joined by rungs 4.500 m long. What should be the thicknessof the flat rock
A particular heat engine has a mechanical power output of 6.00 kW and an efficiency of 28.0%, Find the energy taken in during each cycle
A 3.11kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform8.23kg cylindrical pulley, What is the rotational inertia of the pulley
A)Determine the magnitude and direction of the electric field at a point 7.8 meters from this charge B) How far from this charge does the electric field have a magnitude of 2 N/C
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