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Describe what characteristics make convex spherical mirrors applicable for store monitoring and concave spherical mirrors applicable as flashlight reflectors.
Current is 10 Amps. Calculate the time at which the current willfall to 1/10th of its max value. If you have another capacitor of .180 mF how would you connect it to the circuit toincrease the energy stored in the circuit. What will be the newtime ..
A fuse in an electric circuit is a wire that is designed to melt,and thereby open the circuit, if the current exceeds apredetermined value. Suppose that the material to be used in a fusemelts when the current density rises to 470 A/cm2.
A projectile is fired horizontally from a gun that is 47.0 m above flat ground; emerging from the gun with a speed of 250 m/s.
A HeNe (Helium-Neon) laser has a beam power of 5.00 mW at a wavelength of 656 nm. Assume the beam is focused by a lens to a circular spot whose effective diameter is 15 wavelengths of the light.
a metal rod 3 meters long is held in place by a cable with tension t the cable is attached to the rod 1 m from the end
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, what was the speed of bullet at impact with the block.
a police car is traveling east at 39.5 ms along a straight road overtaking a car ahead of it moving east at 31.5 ms.
A uniform ladder 6.58 m long weighing 460 N rests with one end on the ground and the other end against a perfectly smooth vertical wall, Find the friction force that the floor exerts on the ladder
A block of mass 1.90 kg is pushed 4.60 m along a frictionless horizontal table by a constant 16.0 N force directed 27.0° below the horizontal.
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
Two manned satellites approaching one another at a relative speed of 0.100 m/s intend to dock. The first has a mass of 2.50 ? 103 kg, What is the loss of kinetic energy in this inelastic collision
a horizontal rifle is fired at a bulls -eye. the muzzle speed of the bullet is 670ms the gun is pointed directly at the
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