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A ball in uniform circular motion with a centripetal acceleration of 12.0 m/s2 has an angular velocity of 3.00 rad/s. What would be the radius of this circular motion? What is the magnitude of the centripetal acceleration of a car following a curve of radius 300 m at a speed of 15.0 m/s?
The momentum and the kinetic energy of particle Ais six timesand seven times the momentum and the kinetic energy of particle B, respectively. What is the ratioof the mass of particle A to that of particle B?
A large negatively charged object is placed on an insulated table. A neutral metallic ball rolls straight toward the object, however stops before it touches it. A second neutral metallic ball rolls along the path followed with the first ball, strikes..
A 82.7-kN car is travelling at 73.1 mph when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
A circular disc of mass 10 kg is suspended by a wire attached to its centre. Determine the torsional spring constant of the wire
A ball is thrown vertically upwards with an initial velocity of 21.56 meter per second. Obtain the greatest height reached by the ball
What is the smallest thickness of a soap film that would appear black if illuminated with 470 nm light? Assume there is air on both sides of the soap film
The picture below shows a wire loop composed of two circular arcs, and two straight pieces. The twocircular arcs are concentric, meaning they sit on the perimeter of two circles that share a common center, and both arcs span 90 degrees. Determine ..
what must be done to increase the velocity of a rocket. Calculate the horizontal force that must be applied to produce an acceleration.
An electron with velocity v=1.0x106 m/s is sent between the plates of a capacitor where the electric field is E=500V/m. Ifthe distance the electron travels through the field is 1.0cm howfair is it deviated (Y) in its path when it emerges from the ..
consider two straight conductors of length 0.8 m carrying current of 16.6 a and 15 a respectively. if they are placed
A tow truck pulls a car 5 kilogram along a horizontal roadway using a cable having tension of 859 Newton. Find how much work does the cable do on the car if it pulls horizontally? If it pulls at 35o above the horizontal
A vehicle of mass 1420 kilogram traveling at 20 m/s is at the foot of a hill that rises 120 meter in 2 kilometer. Calculate the average power delivered by the vehicle engine
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