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A tennis player swings her 1000 g racket with a speed of 12.0m/s . She hits a 60 g tennis ball that was approaching her at a speed of 10.0m/s . The ball rebounds at 42.0m/s .How fast is her racket moving immediately after the impact? You can ignore the interaction of the racket with her hand for the brief duration of the collision.If the tennis ball and racket are in contact for 8.00ms
what is the average force that the racket exerts on the ball?
What is the target's speed just after the bullet emerges?
A stone with a mass of 0.600kg is attached to one end of a string 0.800m long, Find the maximum speed the stone can attain without breaking the string
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 199m/s2. What is the magnitude of the electric field?
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
A 2.5 mol sample of helium gas initially at 300 K and 0.400 atm is compressed isothermally to 1.30 atm. Note down that the helium behaves as an ideal gas.
find the period of this oscillation.
A blower releases a ball down the lane with a linear velocity at release of 12 meters per second. what was the angular acceleration of the arm to the release point
After a tornado, a 0.60g straw was found embedded 3cm into the trunk of a tree. If the average force exerted on the straw by the tree was 90N, what was the speed of the straw when it hit the tree.
A 50.0-g object is attached to a horizontal spring, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
A simple harmonic oscillator takes 12.0 s to undergo six complete vibrations.
Find an expression for the electric potential at the center. A proton is released from rest in a uniform electric field of magnitude 1.20×10^5 N/C. Find the speed of the proton after it has traveled.
A 38.0 kg child swings in a swing supported by two chains, each 3.04m long. The tension in each chain at the lowest point is 429N. Find out the child's speeds at the lowest point.
What is magnitude of the runner total displacement
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