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The three air cartsshown in the figure have masses, reading from left to right, ofm, 2m, and 4m, respectively. Initially, the cart on theright is at rest, whereas the other two carts are moving to theright with a speed v_0. All carts are equipped with putty bumpers that give completely inelastic collisions.
Find the final speed of the carts. andCalculate the ratio of the final kineticenergy of the system to the initial kinetic energy.
A rock of mass 44 kg accidentally breaks loose from edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. What is the magnitude of the acceleration of the rock?
A heat engine using a diatomic ideal gas goes through the following closed cycle, What is the thermal efficiency of this heat engine
A column of soldiers, marching at 133paces per minute, keep in step with the beat of a drummer at thehead of the column. What is the approximate length of the column
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, where R = 1.80k? , and L = 420mH?, What is the phase angle between voltage and current
You select a rental package that includes a car with an average consumption of 6.00 liters of fuel per 100 km. how much (in US dollars) will you spend in fuel on your trip
An object moving on the x axis with a constant accelerationincreases it's x coordinate by 42.7 m in a time of 6.01 seconds andhas a velocity of 20 m/s at the end of this time. Determine the acceleration of the object during this motion.
How many 95W light bulbs can you use in a 120V circuit without tripping a 17A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each light bulb is V.)
Marathon swimmer DJ is swimming in the Atlantic Ocean. She is moving north with a velocity of 2 m/s relative to the water. What is DJ's absolute or true velocity
Suppose white light falls on two slits separated by a shortdistance. One slit is covered by a red filter (700 nm) andthe other by a blue (450 nm) filter. Describe the pattern on the screen
Using the periodic boundary condition, ?k(x+L) = ?k(x) and noting that e(i2pn)=1, determine the allowed values of k in terms of L and an integer n. Are negative values of n allowed?
A 0.500 kg length of copper wire is warmed 30.0°C by the passage of electrical current. How much heat was generated by the current flow
in a game of basketball, a forward makes a bounce pass to the center. What horizontal distance does the ball cover before bouncing
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