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Two vehicles collide head on while each is traveling at 72 km/hr. Assume all their kinetic energy is transformed into the thermal energy of the wreck. Calculate the temperature increase of each vehicle? You can suppose that each vehicle's specific heat is that of iron.
question a meter stick is pivoted at a point a distance a from its center and swings as a physical pendulum. of the
An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite, Determine the speed of the satellite
Describe in words how you would go about calculating the work done by the electric field on the electron as it travels along its trajectory.
A sinusoidal voltage %u0394v = (75 V) sin (180t) is applied to a series RLC circuit with L = 20 mH, C = 155 %u03BCF, and R = 30 %u03A9. What is the maximum current in the circuit
A stroboscope is a light that flashes on and off at a constantrate. It can be used to illuminate a rotating object, what is the next shortest time interval
Drag race tires in contact with an asphalt surface have an extremely high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimation the coefficient of static friction needed for a drag racer to cover 1.0 km..
assume you would enter a vacuum chamber (on Earth), that is, a chamber with no air in it. Inside this chamber, if you dropped a hammer and a feather from the same height at the same time, both would hit the bottom at the same time.
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
In a physics demonstration, a stationary mass m1 = 0.20kg slides down a frictionless ramp and then collides with a second mass m2 = 0.40 kg. Find the height needed if you reverse the masses
An unknown capacitance C is in series with a 3.0uF capacitor. This pair is in parallel with a 1.0uF capacitor, Make a circuit diagram for this Network
During 8.83 seconds a motorcyclist changes his velocity from v1,x = -36.5 m/s and v1,y = 10.5 m/s to v2,x =-23.1 m/s, Find the components of the motorcycle\'s average acceleration
The minimum take off speed for an airplace is 75 m/s. What minimum acceleration is required if the plane must leave a runway flank of 1050 meters
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