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A model rocket is constructed with a motor that can provide atotal impulse of 21.0 N·s. The mass of the rocket is 0.243kg. What is the speed that this rocket achieves when it is launchedfrom rest? Neglect the effects of gravity and air resistance.
Two spherical drops of mercury each have a charge of 0.14nC and a potential of 310V at the surface. What is the potential at the surface of the new drop
A loop of wire (resistance = 2.0 m?) is positioned as shown with respect to a long wire which carries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what current is induced in the loop at an instant when the current in the wire is increasing at..
question you are traveling in a spaceship at a speed of 0.83c away from earth. you send a laser beam toward earth
An x-ray photon with wavelength 5.0 pm collides with a free electron initially at rest. find the maximum possible kinetic energy acquired by the electron
A 250 g plastic ball is fired from a 4.0 kg toy cannon on wheels. After being fired, the cannonball above the ground at 24 m/s. Determine the final velocity of the cannon
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
A sheet of glass (n=1.50) is coated with a 500 nm thick layer of cubic zirconia (n=2.18). Assume the wavelengths of visible light lie between 400nm to 710 nm.
a 66.0-kg woman in an elevator is accelerating upward at a rate of 2.8m/s^2. What is the net force acting on the woman
A particle of mass m slides down an inclined plane under the influence of gravity. A) If the motion is resisted by a force f = kmv, find the distance d down the incline to come to rest with the initial speed was Vo and Theta is the inclination of the..
a rock climber throws a small first aid kit to another climber who is higher up the mountain. the initial velocity of
A diffraction grating with 610 lines per mm is illuminated with light of wavelength 520 nm. A very wide viewing screen is 2.1 m behind the grating. What is the distance between the two m= 1 fringes? Use two significant figures
How high from the surface of the earth must an object be raised, What minimum speed is needed by the object to ascend to this height
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