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Two wheels, A and B, are arranged by a belt system. The radius of B is three times the radius of A. What would be the ration of the rotational inertias Ia/Ib if (a) both wheels have the same angular momenta (b) both wheels have the same rotational kinetic energy?
question if the original electric field is 2.9010-4nc and the distance is reduced to one-half the original distance
Estimate the size of sensitive cells of the human eye, provided that the entrance pupil of the eye about 1 mm in diameter under usual sunlight conditions. Assuming the size of sensitive cells is such that diffraction limit is met.
An 8.0-kg block is set moving with an initial speed of 6.0 m/s on a rough horizontal surface. how far does the block travel before it stops
Travelling at a speed of 17.10 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.81 s have el..
A bullet moving horizontally with a speed of 500m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration , in m/s^2, of the bullet
A violinist places her finger so that the vibrating section of a 1 g/m string has a length of 40.00 cm, after that she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with a wavelength of 30 cm.
In reaching her destination, a backpackerwalks with an average velocoity of 1.34 m/s. How far east did she walk
A charge of 2.65mC is placed at each corner of a square 0.450m on a side, Determine the direction of the force on a charge
Find out the maximum distance d (along the ladder) that the monkey can climb up ladder before the rope breaks.
A 1.5 kg mass is moving in a circle of radius 2 m on a flat frictionless table at the end of a string. What is the angular momentum of the mass
Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?
A 5kg object is initally at rest. The object is acted on by a 9N force toward the east for 3 seconds. How far has the object moved during this 7 second interval
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