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Jo-Jo will illustrate the time-distance relationship of free fall by steppig off a high, vertical cliff with a timer in one hand and a marker in the other. For each second of fall he makes a mark on the cliff face. Jojo wants to determine how far he will fall during each second for the first 5 seconds. He requests you plot the results on a distance versus time graph for a visual display. He also wants to open his parachute when reaching 60mi/h. At what time, or between which seconds, shoud he do this?
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, What is the total horizontal force on the driver
A 750 N box moves at a constant velocity on a floor with a coefficient of static friction = 0.800, What horizontal force is required to keep the box moving
Doug pushes a 4.60 kg crate up a 1.70-m-high 20 ^\circ frictionless slope by pushing it with a constant horizontal force of 28.0 N.What is the speed of the crate as it reaches the top of the slope?
the attractive electrostatic force between the point charges 8.37 x 10-6 c and q has a magnitude of 0.966 n when the
a 150g block is launched up a 50.0 degree ramp using a spring compressed a distance of 5.0cm from its equilibrium
A wind turbine is initially spinning at a constant angular speed. Determine the initial angular velocity of the turbine
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
Responding to an alarm, a fireman slides down a pole to the ground floor, 3.3 meter below. Obtain the average force exerted on the fireman by the pole
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum velocity of the simple harmonic motion
A ladder is leaning against a vertical wall. The coefficient of friction between the ladder and the horizontal surface is μ1 = 0.295, Find the maximum angle with the vertical ladder can make without falling on the ground
1.7 kilograms of water are changed from liquid water at 100?C into steam at 100?C. determine the change in mass of the water
A 1920 kilogram car accelerates uniformly from rest to 12.1 m/s in 2.58 second. Determine the work done on the car in this time
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