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He stops one-fifth of the way all along the bridge. Determine the magnitude of the force which a concrete support applies on the bridge at each end?
Upon normal incidence, a light beam can pass via a glass plate having refractive index 1.5 in 50 pico seconds (1ps = 10 -12 seconds) determine what is the thickness (in cm) of the glass plate?
A block of a certain material starts to slide on an inclined plane if the plane is inclined to an angle of 12.41°. When a solid cylinder is fashioned from the similar material, determine the max
Nineteen (19) 137Cs radiation therapy sealed sources totaling 0.604 Ci were stolen from Moses Cone Hospital in Greensboro, NC and never recovered (true story). 137Cs emits a 0.667 MeV gamma ray. Det
At a point 5 meters from the scene of the accident comprising a radiation source, you detect an exposure rate of 87 mR/hr. You are assigned to establish an exclusion zone (2mR/hr.) around the accide
Determine the average torque applied on the wheel given that it is a disk of radius 0.79 m and mass 6.4 kg.
Forty-nine mill curies (49 x 103 micro curies) of a long half-life radionuclide in the soluble solution is to be discharged into the sanitary sewer system through a University.
A fish takes the bait and pulls on the line having a force of 2.2 N. The fishing reel that rotates without friction is a cylinder of radius 0.052 m and mass 0.88 kg. (i) Determine the angular accele
Standing on a roof on July 4, you view a burst of distant fireworks. You hear the explosion 8.25 s later. Determine how far (in km) are you from the point of the explosion? Suppose that the temperat
Assume that the G-string of a guitar is 3.6 m long and consists of a linear density of 78.9 mg/m. The thumb screw joined to the string is adjusted to give a tension of 3.5 kN. Determine the basic wa
Assume that we have tube which is closed on one end and open on the other similar to what you employed in Standing Waves lab. When this tube consists of plunger at the position 147.7 cm and 11 nodes
When the elastic limit of steel is 5.0 X 10* Pa, find out the minimum diameter a steel wire can have if it is to support a 70 kg circus performer devoid of its elastic limit being exceeded.
The two skydivers were in free fall till they reached terminal velocity of 115 miles per hour (due to the air resistance) at 1.542 kilometers above the surface of the Earth.
A typical nuclear radius is around 4.0 fm. A typical energy of a neutron bound within the nuclear potential well is En = -20 Mev.
A curve having radius 57.1 m is banked so that a car of mass 1.8 Mg traveling with the uniform speed 58 km/hr can round the curve with no relying on friction to keep it from slipping on the surface.
A computer disk drive is turned on beginning from rest and consists of constant angular acceleration. It took 0.606 s for the drive to make its second complete revolution.
Determine the angular displacement of the baseball (in radians) as it travels from the pitcher to the catcher?
One heater employs 350 W of power if joined by itself to a battery. The other heater employs 240 W of power when joined by itself to the similar battery. Determine how much net power do the heaters
A car having a net mass of 2.10 x 103 kg has wheels of radius 28.5 cm and moment of inertia around 0.770 kg • m2. (i) Determine the translational kinetic energy of car if the car is moving at a s
A string fixed at both the ends and encompassing a mass of 2.60 g, a length of 3.30 m and a tension of 43.0 N vibrates in its second (n = 2) normal mode. Determine the wavelength in air of the sound
The initial velocity of clay is around 22.5 m/s, directed perpendicular to the vane. Determine the angular velocity of the weather vane just after it is struck.
Determine the coefficient of friction among the two wood surfaces. If the plank is elevated to an angle of 15.0 degrees
A plane flies from the base camp to Lake A, 220 km away in the direction of 20.0° north of east. After dropping off supplies it flies to the Lake B that is 190 km at 30.0° west of north from
The similar force is exerted in the similar direction to each. Determine the ratio of the torque generated by this force in the truck to the torque generated in the car?
The resolution of the eye is eventually limited by the pupil diameter. Determine the smallest diameter spot the eye can generate on the retina when the pupil diameter is 3.46 mm?