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Problem: A 1300-kg car rolling on a horizontal surface has speed v = 50km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2m.
Part I: What is the spring stiffness constant of the spring?
Please show all work and steps to find the spring stiffness constant of the spring and express your answer using two significant figures.
A 1.3 kilogram booster attached to a 6 kilogram rocket are initially traveling at a speed of 175 meter per second. determine how fast will the rocket then travel
At a certain instant a ball passes location m. In the next 4 seconds, the ball's average velocity is m/s. At the end of this 4 second time interval, what is the height y of the ball?
when the car you are riding in stops suddenly heavy objects move toward the front of the car. why does a helium-filled
An open railroad car of mass 2404 kg is coasting with an initial speed of 18 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 10 m/s. How..
a scalloped hammer head shark swims at a steady speed of 1.45 ms with its 71 cm wide head perpendicular to the earths
a charge q is transferred from an initially uncharged plastic ball to an identical ball 17 cm away. the force of
a cable of cross-sectional area of 4.00 cm2 and 12.0 m long stretches by 2.00 mm when subjected to a load of 25000 kg.
A ball of mass 5.0 kg is lifted off the floor a distance of 1.7m. What is the change in gravitational potential energy of the ball? If the ball is released from rest and falls to the floor, what is the kinetic energy of the ball just before it hit..
A tennis ball is struck at the base line of the court, 12.5 m from the net. How far beyond the net will the ball hit the ground
Local noon at 0o longitude corresponds to 12:00UTC. a) Given that our longitude is 84o 28' 33'' W, what is our local noontime in UTC? (b) What local time would this correspond to today? (c) From this and your estimate of the sun's current hour angle,..
q1. a box of mass 32 kg is at rest on a horizontal frictionless surface. a constant horizontal force then acts on the
A parallel-plate air capacitor of area A = 20.9 cm2 and plate separation of d = 2.50 mm is charged by a battery to a voltage of 63.0 V, What is the charge on the capacitor
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