5-17 A 0.25 kg stone tied to a rope is swung to make a circular motion in a
vertical plane. If the circle is of radius
300 cm, what is the minimum uniform
speed of the stone that will keep the
rope taut? [Answer = 1.71 m/s]

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

What properties of a moving object are used in determining the object's energy of motion

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.