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A baseball of mass 0.15kg approaches a batter at 30.0 m/s. Consider the ball as traveling horizontally toward the batter in the negative x-direction so that V= -30.0 i m/s. The batter hits a pop up so that the ball goes straight up with a velocity of v=+22.0 j m/s. The bat is in contact with the baseball for time 2.00x10^-3 seconds. What is the work done by the bat on the ball?
a charge of 80 mC moves with a velocity of 7*10^7 m/s in a magnetic field of 0.6T which is oriented at an angle of 30 degrees above the horizontal plane
A step down transformer is designed to have an output voltage of 19.5 V when the primary is connected to the 120 V. how many turns are in the secondary
A tennis ball gun launches tennis balls at 18.8m/s . It's pointed straight up and launches one ball; 2.0s later, it launches a second ball. What is the first balls' velocity at that point
Two balls with a net charge of - 4.0 C and + 10.0 C are separated by 2 cm. A) What is the electrostatic force on the positive charge? B) What is the electrostatic force on the negative charge?
A factory worker pushes a 31.4kg crate a distance of 4.35m along a level floor at constant velocity by pushing downward at an angle of 30.3 degrees below the horizontal. What is the total work done on the crate
Find the capacitance of a parallel plate capacitor having plates of area 1.00 m2 that are separated by 0.400 mm of Teflon
A 6.7uC particle moves through a region of space where an electrice field of magnitude 1300 N/C point in the positive x direction, find the components of the particle's velocity
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
A flat horizontal surface with an area of 505 cm2 is inside a uniform electric field of 1.40×104 N/C. What is the electric flux through the surface
An electron is accelerated through 15 kV and is then allowed to circulate at right angels to a uniform magnetic field with B = 25 mT. What is its path raduis
A 2.80x 10^2 W electric immersion heater is used to heat a cup of water. The cup is made of glass and its mass is 3x10^2 g. It contains 250g of water at 15°C.
A charged particle with charge +5.0 ?C is initially at rest. It is accelerated through a potential difference of 500 V. What is the kinetic energy of this charged particle
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