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The position of a particle moving along the x axis depends on the time according to x=ct^2-bt^3 where x is in meters and t is in seconds. c=m/s^s and b=m/s^3. From t=0.0s to t=4.0s, what distance does the particle move and what is its displacement?
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. What is the translational speed of the object
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
Two submarines are moving towards each other in a portion of the Atlantic Ocean where the water is calm. Sub A is moving at 14.0 m/s, What frequency does sub B detect
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71451 km), What is the period of the spacecraft's orbit
Two thermal reservoirs are connected by a solid copper bar. The bar is 3 m long, and the temperatures of the reservoirs are 63.0°C and 32.0°C. What is the rate of heat flow through the bar
An eagle is flying horizontally at 5.7 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?
A person pushes horizontally with a force of 220 N on a 66 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.28. What is the magnitude of the frictional force
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
A force of F=9.0i+8.0jN is applied to an object about a fixed axis aligned with the z direction. If the force applied at the point (6.00 m, 9.00 m), illustrate what is the magnitude and direction of the torque?
A uniform solid sphere of mass 1.5 kg and diameter 30.0 cm starts from rest, What is the speed of the center of mass of the sphere when it reaches the bottom of the incline
A small spherical lump of conductor, with a radius R = 0.1m, has a charge of 0.01 C placed on it. Compute the electrostatic potential energy of the system
A cable is lifting a construction worker and a crate, as the drawing shows. What is the tension in the cable above the worker
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