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Question: The electric potential at a point that is halfway between two identical charged particles is 300 V. What is the potential at a point 25% of the way from one particle to the other?
A 1.80-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 6.00sin(2?t), Find the resonance angular frequency of the system
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. what is the mass of the lead block
A 275 kg piano slides 4.4 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36). The effective coefficient of kinetic friction is 0.40. a)Calculate the force exerted by the man. b..
A copper plate, with dimensions of 3 cm x 3 cm x 5cm length, width, and thickness respectively, determine the temperature rise in the plate after 10 seconds
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
If the hypotenuse of a right triangle is 6.00cm long, and the opposite is 4.00. What is the angle facing the opposite
You have a mechanism by which you can use a magnetic spectrograph to chose the energy of the beta rays from a 137Cs source. What thickness of the brass foils in g/cm2 does it take to stop the 0.8 MeV beta rays
A spring has a spring constant, k, of 440 N/m. How much must this spring be stretched to store 25 J of potential energy
A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
A cart with mass 230 g moving on a frictionless linear air track at an initial speed of 1.7 m/s undergoes an elastic collision with an initially stationary cart of unknown mass, What is the speed of the two-cart center of mass
A crate of mass 14.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. How much mechanical energy is lost due to friction
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