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An outfielder throws a 0.150 kg baseball at a speed of 42.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion?
A particle moves along x axis according to equations x =2.00+3.00t-1.00t2, where x is in meters and t seconds. At t=3.00s, determine (a) the position of particle. (b) its velocity, and (c ) its acceleration.
A 0.22-kg coffee mug is made from a material that has a specific heat capacity of 900 J/(kg Â· CÂ°) and contains 0.23 kg of water. determine the minimum power rating of this heater
A small metal particle passes downward through a fluid medium while being subjected to the attraction of a magnetic field such that its position is observed to be s = (15t3 - 3t) mm, where t is measured in seconds. Determine (a) the particle's dis..
A golf ball with mass m = 0.07 kg is tied to a massless string of length L = 0.6 m. What the magnitude of the tension in the string
A novice skier, starting from rest, slides down a frictionless 35.0 Degrees incline whose vertical height is 185 m. How fast is she going when she reaches the bottom
A container is filled to a depth of 19.0 cm with water. On top of the water floats a 32.0-cm-thick layer of oil with specific gravity0.600
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. find the increase in temperature of the nail after 3 blows from the hammer
The ground state total energy, total entropy, and temperature are 5.00 Btu, 0.11690 Btu/R, and 50.0°F, respectively. If the total entropy of the cell must be ten times its ground state value,
A 8796 lb force is applied to a surface that measures 37 in long and 15 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa = 1.45×10-4 psi
q1. a skier moving at 4.50 ms encounters a long rough horizontal patch of snow having coefficient of kinetic friction
A hoop and a disk, both of 0.72- m radius and 5.0- kg mass, are released from the top of an inclined plane 3.0 m high and 7.1 m long. What is the speed of the hoop
The captain of a ship grabs hold of the wheel with one hand a distance of 0.285m from the axis of rotation to adjust the rudder. what is the magnitude of the torque
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