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A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s.
A) How large an impulse does the ball give to the catcher?
B) If it takes the ball 23.0 ms to stop once it is in contact with the catcher's glove, what average force did the ball exert on the catcher?
A power supply with internal resistance of 8 ? applies a voltage of 26 V. If a load resistor of 52 ? is in series with the power supply, what is the current going through the circuit
A particle with a charge 3.2 x 10^-19 C is moving at a speed of 5x10^7 m/s that makes an angle of 40 degrees with respect to a uniform magnetic field B, Determine the magnetic field strength B
The vertical displacement y(x,t) of a string stretched along the horizontal x-axis is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 rad/s)t]. What is the distance between adjacent crests of the wave
q1. two long parallel wires x and y separated by distance of 5 cm in air carry currents of 20 a and 70 a
A firework explodes 120 m above the ground. Determine the time difference between two observers hearing the explosion
A solenoid of radius 4.0 cm has 300 turns and a lenght of 25 cm. What is the inductance of the Coil?
A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 5.50 m/s, Find the speed of the snow relative to the earth
A 78-kg fisherman in a 137-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.0 m/s, find the velocity of the boat after the package is thrown
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
An object with a height of 4.0 cm is placed 30.0 cm from a lens. The resulting inverted image has a height of 1.5 cm. What is the focal length of the lens
About 1350 W/m2 of electromagnetic energy reaches the upper atmosphere of the earth from the sun, which is 1.5 × 1011 m away. estimate the average power output of the sun
Find out the work completed by neoconservative forces in stopping plane. At the nozzle exit, diameter is 2.5 cm and the density is 1.29kg/m^3. What is the speed of the air as it leaves the nozzle.
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