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A soccer ball with mass 0.446 kg is initially moving with speed 1.40 m/s. A soccer player kicks the ball, exerting a constant force of magnitude 36.0 N in the same direction as the ball's motion. Over what distance must the player's foot be in contact with the ball to increase the ball's speed to 6.40 m/s? cm
In atwood's machine two masses m1 and m2 hang vertically, connected over a frictionless pulley. Evaluate the acceleration numerically
When 16.8 J was added as heat to a particular ideal gas, the volume of the gas changed from 42 cm3 to 87 cm3 while the pressure remained constant at 1.3 atm. (a) By how much did the internal energy of the gas change
A vertical square plate (10' x 10') is used to dam a channel. determine the total resultant force on the plate and the location
Determine the image distance for an object do=7.900 cm from a diverging lens of radius of curvature 6.320 cm and index of refraction 1.800.
A square loop of wire with sides of length 36.1 cm experiences a uniform magnetic field perpendicular to its area. find the magnitude of the average emf induced in the loop
Light of wavelength 670nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 49mm, What is the separation of the two slits
A cannonball launched with an initial velocity of 131 m/s at an angle of 40° follows a parabolic path and hits a balloon at the top of its trajectory.
An electromagnetic flowmeter applies a magnetic field of 0.23 T to blood flowing through a coronary artery at a speed of 13 cm/s. What force is felt by a chlorine ion
Two identical point charges are fixed distance from one another. If one of their charges was doubled an the other was halved, how would the electric force be affected.
A student sits on a freely rotating stool holding two dumbels, each of mass of 3.00kg. find the kinetic energy rotating system before and after he pulls the dumbbells inward
question1a variable reluctance sensor consists of a core a variable air gap and an armature. the core is a steel rod of
A rifle with a barrel length of 62 cm fires a 12 g bullet with a horizontal speed of 460 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 15 cm.
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