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A race car goes through a flat, circular 90 degree turn at a constant speed of 221 miles/hr. The acceleration of the car is observed to be 3 times bigger than the acceleration of an object in freefall (3g). Determine the radius of the turn.
A 4.0-mF capacitor initially charged to 50 V and a 6.0-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other
A car race takes place on a long straight track, at the beginning of the race the car accelerates from rest to some top speed with a (constant) acceleration of 1.13 m/s2, What was the top speed reached by the car
a mass of 4 kg is pulled along a 0 deg frictionless plane by a mass of 5 kg that is hanging perpendicular connected by a rope and pulley. what is the acceleration of the masses
you are on a boat heading out to sea. the boat is going 5ms toward a buoy the origin in your chosen frame of reference
A proton has a speed of 3 x 106 m/s in a direction perpendicular to uniform magnetic filed and moves in a circle of radius 0.20 m, What is the magnitude of the magnetic field
A spherical source radiates sound uniformly in all directions. At a distance of 10 m, the sound intensity level is 80 dB. What power is radiated by this source? At what distance from the source is the intensity level 70 dB?
In an L-R-C series circuit, the resistance is 300 ohms, the inductance is 0.360 henrys, and the capacitance is 1.80 x 10-2 microfarads. What is the resonance angular frequency of the circuit
Charge of -3.30 nC and a charge of -6.25 nC are separated by a distance of 40.0 cm. Find out the position at which a third charge of +7.60 nC can be placed so that the net electrostatic force on it is zero.
The focal length of diverging lens is negative. if f=-20cm for a particular diverging lens, where well the image be formed of an object locate 50cm to the left of the lens on the optical axis? What is the magnification of the image?
A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 30o by the horizontal. If there is friction among the ramp surface and crate with μk = 0.2, using energy concept what is the velocity of the crate at the bottom of the ..
Suppose the force on an object is (5i-8j) N over a displacement of (5i+2j) meters. How much work is done by that force
Eight books, each 4.9 cm thick with mass 1.2 kg, lie flat on a table. How much work is required to stack them one on top of another.
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