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how come the formula: (change)v / (change)t = (change)x cannot be used for this exercise When a 58-g tennis ball is served, it accelerates from rest to a speed of 45 m/s. The impact with the racket gives the ball a con- stant acceleration over a distance of 44 cm. What is the magnitude of the net force acting on the ball?
You need to produce a solenoid that has an inductance of 2.55 ?H . You construct the solenoid by uniformly winding 1.07 m of thin wire around a tube. How long, in centimeters, should the tube be
A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, Find the translational speed at the top
Eight lights are connected in parallel to a 116 V source by two leads of total resistance 1.1. If 240 mA flows through each bulb, what is the resistance of each? What fraction of the total power is wasted in leads.
The acceleration as a function of time of a mass-spring system is given by a=(0.70m/s^2)sin[(3rad/s)t]. a)If the spring constant is 20N/m, what is the amplitude? b)What is the initial velocity? c)what is the mass of object?
A shopper pushes a cart 39 m south down one aisle and then turns 90.0° west and moves 27 m. He then makes another 90.0° turn and moves 14 m.
A uniform 1.3 kg rod that is 0.8 m long is suspended at rest from ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling.
You hang the rod vertically and attach a 74 kg mass to the bottom, and you observe that the bar becomes 1.74 cm longer. From these measurements, it is possible to conclude the stiffness of one interatomic bond in titanium.
While on a camping trip, you would like to carry water from the lake to your campsite. find Which bucket holds more water
A 3.9 kg block originally at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18 N.
WebAssign will do simple calculations for you, using +, -, *, /, parentheses, and E-notation. For instance, if a question asks for half the sum of 246 and 388, you can enter "(246+388)/2".
At the Winter Olympics, an athlete rides her luge down the track while a bell just above the wall of the chute rings continuously. Find the speed of the athlete
How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?)
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