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A baseball outfielder throws a 0.150 kgbaseball at a speed of 40.0 m/s and an initial angle of 32.0°. What is the kinetic energy of the baseball at the highest point ofits trajectory?
A weightlifter's barbell consists of two 15-kg masses on the ends of a 20-kg rod 1.6 m long. find the magnitude of the barbell's angular momentum
An object is placed in front of a concave mirror with a 21.4-cm radius of curvature. At what distance is the object from the mirror
An antique phonograph turntable has a kinetic energy of 2.60×10?2 J when turning at an angular velocity of 47.0 rev/min
People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves only by their arms. Find the force his arms must exert on him during the accelerating part of the chin-up
An automobile traveling at 40.0 km/h has tires of 50.0 cm diameter. How far does the car move during the braking
A cube of ice is taken from the freezer at -8.4 and placed in a 104 aluminium calorimeter filled with 322 of water at room temperature of 20. The final situation is observed to be all water at 17.
A 3.00kg mass is pushed against a horizontal spring of force constant 23.0N/cm on a frictionless air table. What is the greatest acceleration of the mass
A bullet of mass m = 28 g is fired into a wooden block of mass M = 4.1 kg as shown in the figure below. The block is attached to a string of length 1.5 m. what was the initial speed of the bullet
q1. how much would an 80.0 kg person weight a on mars where an acceleration of gravity is 3.93 ms2 and b on earths moon
a wedge-shaped film of air is made by placing a small slip of paper between the edges of two flat glass plates at one
A bullet with mass 20 grams and velocity 100 m/s collides with a wooden block of mass 2kg. What is the maximum compression of the spring
For sound waves in air with frequency 1000 Hz, a displacement amplitude of 1.2 X 10^-8 produces a pressure amplitude of 3.0 X 10^-2 Use v_sound = 344. For 1000-Hz waves in air, what displacement amplitude would be needed for the pressure amplitude..
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