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A container explodes and breaks into three fragments that fly off 120 degrees apart from each other, with mass ration 1:4:2. If the first piece flies off with a speed of 6.0 m/s, what is the speed of the other two fragments? (all fragments are in the plane)
If a ball has a net positive charge of 57 ?C, how many electrons must be added to make the ball neutral
Using Einsteins formula
A large punch bowl holds 3.90kg of lemonade (which is essentially water) at 24.0?C. A 5.80×10-2-kg ice cube at -10.0?C is placed in the lemonade. What is the amount of ice (if any) remaining
Assume a 64 kg boy and a 42 kg girl use a mass less rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3 m/s2, find out the magnitude of the acceleration of the boy toward girl.
q. two perpendicular long straight wires both of which lie in the plane of the paper. the current in each of the wires
A projectile is fired straight upward at 141 m/a. how fast is it moving at the instant it reaches the top of its trajectory? Assume in its place that it was fired upward at 45. What would be its speed at the top of its trajectory.
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. What is its terminal velocity
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant? -140 N/C 140 N/C -35 N/C 35 N/C 75 N/C.
In a defribrillator, which delivers the electric energy stored in the 175x10^-6F capacitor to restore the heart's regular beating, find the energy stored in the charged-up defribrillator
A laser beam passes through a single slit. We observe an interference pattern on a screen 9.03 m away. Find the width of the slit
A 10.1-g bullet is fired into a stationary block of wood having mass m = 5.04 kg. The bullet imbeds into the block. What was the original speed of the bullet
A 1050 kg car carrying four 84 kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude while its speed is 24km/h. The car now s..
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