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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?
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then ..
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12 rpm in 9.5 s. What force is required at the edge
imagine that you have a 510 , a 860 , and a 1.1 resistor. What is the maximum resistance you can obtain by combining these.
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
An electric field is defined in three-dimensional space by the equation
A 10.0 kg block is to be projected across a rough horizontal floor by means of a compressed spring device. What is the work done by friction, in joules, as the block slides to a stop
A 9 g ice cube at -10°C is placed in a lake whose temperature is 17°C. Calculate the change in entropy of the cube-lake system
Boat A negotiates a curve whose radius is 370 m. Boat B negotiates a curve whose radius is 120 m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
a 0.45 kg mass vibrates according to the equation x 0.49 cos 8.45t where x is in meters and t is in seconds.a
A particle p traveling with a speed of vpi = 3 m/s hits and scatters elastically from another particle N, initially at rest. Particle p is deflected through 90°, leaving with a speed of vpf = 2.7 m/s, and a mass mp = 2 kg. What is the speed of the..
In a laboratory experiment, a Physics Major is given a stopwatch. a meterstick, and a simple pendulum, what value will he obtain for the acceleration due to gravity
A body of mass M is at rest. It suddenly explodes into three pieces. One mass is .25M, moves due east at 12m/s. Find the velocity of the remianing piece
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