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Two objects with masses of 2.50 kg and 5.90 kg are connected by a light string that passes over a frictionless pulley, as in the figure below.
(a) Determine the tension in the string. (Enter the magnitude only.)
(b) Determine the acceleration of each object. (Enter the magnitude only.)
(c) Determine the distance each object will move in the first second of motion if both objects start from rest.
If each rock strikes the fixture traveling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, find out how high above the lowest point does the impact make your light fixture swing?
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
Ideal incompressible water flows through a horizontal pipe of cross-sectional area 10.0 cm^2 at a pressure of 0.250 atm with a volume flow rate of 1.00 x 10^-3 m^3/s. What is the pressure at the valve
Starting from the top left corner and moving clockwise the charges are -10 uC, -10 uC, 5 uC, and 5 uC. What is the electric field at the center of the square array of charges
The blood speed in a normal segment of a horizontal artery is 0.162 m/s. What is the difference in blood pressure between the normal and constricted segments of the artery
A woman can read the large print in a newspaper only when it is at a distance of 65 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
A banked circular highway curve is designed for traffic moving at 67km/h. The radius of the curve is 209 m. Traffic is moving along highway at 48km/h on a rainy day.
A 2.00kg block is pushed against a 400N/m spring, compressing it 22.0 cm. When the block is released, find the speed of the block just after leaving the spring
The semiconducting compound ZnS is widely used for ultraviolet light emitting diodes (LED's). find the frequency of light emitted by a ZnS LED
a beam of light enters a piece of zircon at an angle of incidence of 30 degrees. what is the angle of refraction in the zircon
The roof of the student dining hall at your college would be supported by high cross-braced wooden beams attached in the shape of an upside-down L. Each vertical beam is 10.0 ft high and 2.0 ft wide.
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