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Two ice skaters, with masses of 50.0kg and 85.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink.If the heavier skater reaches the edge in 40.0s , how long does the lighter skater take to reach the edge?
A model rocket is fired vertically from rest. It has a net acceleration of 17.0 m/s2. estimate how high does the rocket travel
You throw a ball straight up with an initial velocity of 18.0 m/s. It passes a tree branch on the way up at a height of 7.00 m. How much additional time will pass
Illustrate what value-chain matchups exist? Illustrate what opportunities for skills transfer, cost sharing or brand sharing are evident? Prior to its divestiture, illustrate what kind of strategic fits existed among adidas' core business and its ..
q. a cardinal richmondena cardinalis of mass 3.90times10-2 and a baseball of mass 0.144 have the same kinetic energy.
A simple pendulum of length l and mass m is attached to a massless spring with elastic constant k. The attachment point moves only in a vertical direction. Obtain the Hamiltonian for the system
CA particle with a charge of = -5.40 is moving in a uniform magnetic field of -1.21. The magnetic force on the particle is measured to be ?7.60×10?7. calculate the x component of the velocity of the particle
A projectile is shot from the edge of a cliff 125 m above the ground level with an initial speed of 65.0 m/s at an angle of 37 degree above th horizontal. find the position vector of the projectile when it reaches it maximum height above the top of..
A circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 V. Find the average power delivered to the circuit
If a rocket's exhaust speed is 160 m/s relative to the rocket, what fraction of its initial mass must be ejected to increase the rocket's speed by 50 m/s
A body cools from 50 degre celcious to 49 degree celcious in 5 seconds. Hw long would it take to cool from 40 degree celcious to 39 degree celcious.
A hydrogen molecule with an initial velocity of 1200m / s makes a collision with a molecule of oxygen at rest. The reason for the masses of molecules is mO / mH = 16. What are the speeds of the molecules after collision.
A cell membrane acts as a parallel-plate capacitor with a spacing of 13 nm and filled with water. Suppose the positive plate is on top, What is the capacitance of the membrane
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