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A baseball player hits a baseball (m=.14kg) the ball is initiallytraveling horizontally with a speed of 40 m/s. The batter hits afly ball with speed vf=55m/s. What is the magnitude anddirection of the impulse imparted to the ball?
A ball of mass 0.196 kg with a velocity of 1.41 m/s meets a ball of mass 0.302 kg with a velocity of -0.393 m/s in a head-on, elastic collision. (a) Find their velocities after the collision. 1f = m/s 2f = m/s (b) Find the velocity of their center of..
A solenoid 27.0cm long and with a cross-sectional area of 0.510cm2 contains 460 turns of wire and carries a current of 90.0A. Calculate the magnetic field in the solenoid
calculate the net percent value of these costs and benefits of an information system. Also calculate the overall return on investment of the project and then percent a break even analysis.
A pyramid with horizontal square base, 4.40 m on each side, and height of 4.00 m isplaced in a vertical electric field of 46.0 N/C. Calculate the total electric flux through the pyramid's four slanted surfaces.
for an unpolarized electric field i.e. the electric field has polarization components both parallel and perpendicular
Two masses undergo a front-to-back collision. The mass m has aninitial velocity 2v0, and the mass 2m has an initial velocity v0.After the collision, they stick together, forming a compound system. What is the final kinetic energy of the compound ..
a snow mobile has a position vector 42.1 m at 98.0 degrees counter clockwise from the x axis and velocity of 5.35 ms at
A 4.0 m long horizontal boom (of negligible weight) can pivot at the wall to which it is attached and it is supported by a cable hooked 0.6 m from the far end that is at an angle of 37.2 degrees to the boom. find the normal force of the wall pushin..
a homogeneous one-speed bare reactor has a cylindrical configuration. determinea the radius and height of the reactor
Two identical aluminium objects are insulated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at the higher potential.
1040 carbon steel is a medium carbon steel. determine the applied stress at failure for a crack the length of 5 mm
The tires of a car make 69 revolutions as the car reduces its speed uniformly from 92km/h to 40km/h . The tires have a diameter of 0.80m. What was the angular acceleration of the tires
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