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A cumin canister of mass m = 0.4 kilogram slides across a horizontal frictionless counter with speed v = 0.5 m/s. It then runs into and compresses a spring of spring constant k = 750 N/m. When the canister is momentarily stopped by the spring, obtain by what distance is the spring compressed?
What is the minimum area of a block of ice 0.305m thick floating on water that will hold up an automobile of mass 1120kg? Does it matter where the car is placed on the block of ice?
Ultrasonic waves with a frequency of 2.5MHz are used to monitor the heartbeat of a fetus. Calculate the range of beat frequencies observed for motion of the heart toward and away from the monitor
In order to get that pesky pig you launch a bird at an angle large enough to pass over the barrier. The pig is 80m from the launching point and the barrier is 30m from the launching point. What is the initial horizontal speed
A diver springs upward with an initial speed of 1.9 m/s from a 4.0-m board. What is the highest point he reaches above the water
A projectile is fired at v0 = 407.0 m/s at an angle of ? = 72.0o with respect to the horizontal. Assume that air friction will shorten the range by 34.1%. How far will the projectile travel in the horizontal direction, R?
A neuron is stimulated with an electric pulse. The action potential is detected at a point 3.20cm down the axon 0.0053s later, What is the speed of the electric pulse along the axon
Charge is uniformly distributed around a ring of radius R= 2.50 cm, and the resulting electric field magnitude E ismeasured along the ring's central axis (perpendicular to the planeof the ring). At what distance (in cm) from the ring's center isE max..
Altitude of 575 meter with zero initial velocity; 8.0 second she falls freely; rate of descent at 15m/s^2 until her rate of descent reaches 5.0 m/s. Find her average velocity for the entire trip
in a region of two-dimensional space there are three fixed charges 4 mc at 00 -4 mc at -17 mm5 mm and 5 mc at 13 mm1
What is the speed of the wave?
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 920 kg cdot m^2. The platform rotates without friction with angular velocity 0.85 rad/s. The person walks radially to the edge ..
A block of mass 3kg is pulled along a flat surface with acord, which makes an angle of 250 above the horizontal.The tension in the cord is 16N, and the coefficient if kineticfriction between the block and the surface is 0.4. Dertermine the accelera..
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