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a baseball is hit directly in line with an outfielder at an angleof 35 degrees above the horizontal with an initial velocity of 22m/s. the outfielder starts running in at a constant velocity of 2.5m/s as soon as the ball is hit. the outfielder runs out towards theball from his original position and catches the ball in the air atthe same height that the baseball was hit from. what is the initial separation between the batter and the outfielder?
Motor oil with a viscosity of 0.250 Ns/m^s is flowing through a tube that has a radius of 3.00 mm and is 1.00 m long. What is the average speed of the oil
A solid disk of mass m1 = 9.5 kg and radius R = 0.18 m is rotating with a constant angular velocity of ? = 38.0 rad/s. What average torque was exerted on the rod by the disk
Another student bumps the field-producing device so that the electric field is now (23.7 N/C)i + (15.5 N/C)k, What is the new electric flux through the hoop
A photon of red light (wavelength = 710 nm) and a Ping-Pong ball (mass = 2.10 × 10-3 kg) have the same momentum. At what speed is the ball moving
A pipe that is closed on one end is 1.2 meters long. What are its fundamental frequency and its first two overtones? What are its new first and second harmonic frequencies
a particle with a mass of 2.0times10-5 and a charge of 2.3 is released in a parallel plate uniform horizontal electric
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence, find the index of refraction for violet light in plastic
an ideal gas occupies a volume of 1.0 cm at 20 degrees C, and atmospheric pressure. Determine the number of molecules of gas in the container
A movable piston having a mass of8.00 kg and a cross-sectional area of 5.00 cm2 traps0.230 moles of an ideal gas in avertical cylinder. how much work is done on the gas
One kilogram of dry air at STP conditions is exposed to 1.00 R of X-rays. One roentgen is defined by Equation 32.1 in Section 32.1. An equivalent definition can be based on the fact that an exposure of one roentgen deposits 8.30 x 10-3 J of energy pe..
A bag of cement of weight 375 N hangs from three wires as suggested in Figure P5.18. Two of the wires make angles θ1 = 55.0° and θ2 = 25.0° with the horizontal. If the system is in equilibrium, find out the tensions in the wires.
two rankine cycles are proposed a steam at 60 bars and 540degc is expanded to 5 bars where a portion is bled to an open
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