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At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. It moves at constant speed. At time t2 = 4.00 s (3/4 of a revolution later), its acceleration is (6.00 m/s2) i + (-1.00 m/s2) j. What is the radius of the path taken by the particle?
As a result of the friction between their surfaces, after a while, both disks spin at the similar angular speed. Determine the work done by the frictional torque.
A baseball leaves a pitcher's hand horizontally at a speed of 156km/h. The distance to the batter is 18.3 m. (overlook the effect of air resistance.) (a) How long does ball take to travel the first half of that distance? (b) The second half? (c) H..
What is the mass of the rim.
An airplane is flying with the velocity of 85.0 m/s at an angle of 20.0 degrees above the horizontal. When the plane is a distance 107 m directly above the dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far..
Find out the maximum distance d (along the ladder) that the monkey can climb up ladder before the rope breaks.
An electric field of 7.85 10^5 V/m is desired between two parallel plates, each of area 42.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate.
Determine the direction of the net electrostatic force on charge q3 (angle with respect to the positive x-axis).
Physics: How much time is required to row cross the river? How wide is the river?, A river man can row his boat at a speed of 2.5 m/s through still water. He wants to row directly across a river that has a current flowing at 1.5m/s
How much time elapses between first splash and second splash
A tsunami is generated by an earthquake off the coast of Alaska. It has a wavelength of 677 km. It travels at a distance of 3536 km in a period of 5.49 hr. What is the frequency of the wave in Hz?
A 100 arrow is shot vertically from a bow whose efficient spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does the arrow rise .
A 38 g bullet is fired with a speed of 180 m/s into a 5 kg sandbag pendulum that is free to swing. To what maximum vertical height will the pendulum rise.
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