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Early one October you go to a pumpkin patch to select your Halloween pumpkin. You lift the 3.7 kg pumpkin to a height of 1.28 m, then carry it 49.9 m (on level ground) to the check-out stand.
(a) Calculate the work you do on the pumpkin as you lift it from the ground.
At what angle must the cannon be fired
three objects, with m1 = 10.2 kg and m2 = 23.5. They are connected by strings that pass over massless and frictionless pulleys. What is the acceleration of the three objects
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
At a temperature of 5800, hydrogen atoms in the solar atmosphere have typical random speeds of about 12. Assume that spectral-line broadening is simply the result of atoms moving toward us or away from us at this random speed, estimates thermal width..
During a circus performance, a 67-kg human cannonball is shot out of an 17-m-long cannon. determine the average net force exerted on him in the barrel of the cannon
a 200 ohms resistor and a .4 H inductor are connected in series with a voltage source having amplitude of 30 v, what is the current amplitude
A uniform disk has a mass of 3.7 kg and a radius of 0.40 m. The disk is mounted on frictionless bearing and is used as a turntable. What is the final angular momentum of the system
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 45? angle with the previous one
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly ten months, how fast must you travel
A 2200 kg car is moving at a speed of 30.0 m/s. Determine the stopping distance (in meters) if the brakes supply a force of 3500 newtons
3.00 m-long, 350 steel beams extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 construction worker stands at the far end of beam.
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
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