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The New England Merchants Bank Building in Boston is 152 m high. On windy days it sways with a frequency of 0.18Hz , and the acceleration of the top of the building can reach 1.9% of the free-fall acceleration, enough to cause discomfort for occupants. What is the total distance, side to side, that the top of the building moves during such an oscillation?
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
Now suppose the friction is sufficient to keep the car from skidding. Compute the magnitude of the normal force exerted on the car by the road's surface.
If the rope starts at an angle of 30.0° with the vertical, illustrate what is Bruce's speed at the bottom of the swing?
What is the maximum speed with which a 1060kg car can round a turn of radius 75m on a flat road if the coefficient of static friction between tires and road is 0.80.
What is the coefficient of static between crate and incline
A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
A car of mass m moving at speed v1 collides and couples with the back of a truck of mass 2 m moving initially in the similar direction as the car at a lower speed v2.
Find out the longest wavelength electrons that can produce a first-order maximum.
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
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