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M1 is a spherical mass (43.0 kg) at the origin. M2 is also a spherical mass (17.2 kg) and is located on the x-axis at x = 99.0 m. At what value of x would a 16.5-kg mass experience no net gravitational force due to M1 and M2?
Explain an experimental method for determining the center of mass of any object, including irregularly shaped objects.
What should be the spring constant of a spring designed to bring a 1400 car to rest from a speed of 95 so that the occupants undergo a maximum acceleration of 5.
If a curve with a radius of 85 is perfectly banked for a car traveling 71 , what should be the coefficient of static friction for a car not to skid when traveling at 86.
parachutist with a camera, both descending at a speed of 13 m/s, releases that camera at an altitude of 110-m.
A golfer takes two putts to get his ball into the hole once he is on green. The first putt displaces the ball into the ball 6.7 m east, and the second 2.16 m south. What displacement would have been needed to get the ball into the hole on first putt.
Determine the least value of n for which there is total internal reflection on the vertical surface.
A coin is placed 8 cm in front of a concave morror. T he mirror produces a real imege that has the diameter 4 times larger than that of the coin. What is the image distance.
The temperature of the surface of a certain star is 7500K. Most hydrogen atoms at the surface of star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could e..
A concrete highway is built of slabs 8.0 m long (20°C). How wide should expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is -35°C to +45°C.
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
A 2.0 m-long cylindrical steel wire with a cross-sectional diameter of 4.0 mm is placed over a light, frictionless pulley, with one end of the wire connected to a 5.0 kg object and the other end connected to a 3.0 kg object. By how much does the w..
In fact, the increased normal force at these large angles makes force of friction too large to move the lawnmower at all.
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