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A35.0 kg child starting from rest slides down a water slide with a vertical height of 19.6 m.(Neglect friction)
1. What is the child's speed three-quarters of the way down?------m/s
2. What is the child's speed halfway down the slide’s vertical distance?-----m/s
An electric motor with 3W of power is used to lift a .2 kg mass a height of .5 meters in 3.0 seconds
In the figure, a thin glass rod forms a semicircle of radius r = 2.00 cm. Charge is uniformly distributed along the rod, by +q = 3.50 pC in the upper half and -q =-3.50 pC in the lower half. What is the magnitude of the electric field at P, the cente..
A wildland fire sawyer is cutting a snag of length L = 23.5m and mass m = 880kg. He puts a Humboldt face cut on the snag which has a negligible amount of taper, what is the final angular velocity of the snag
a block of mass 0.244 kg is placed on top of a light vertical spring of force constant 4 925 nm and pushed downward so
A certain lightbulb has a tungsten filament with a resistance of 20.5 ? when at 20.0°C and 136 ? when hot. Find the temperature of the hot filament
An 83.0kg student, starting from rest, slides down a 11.8m highwater slide. How fast is he going at the bottom of the slide
suppose you want to detemine the electrical field in a certain region of space. you have a small object of known charge
Multiple-Concept Example 1 discusses the concepts that are relevant to this problem. obtain the rise in its temperature
An empty parallel plate capacitor is connected between theterminals of a 7.5-V battery and chargedup. The capacitor is then disconnected from the battery, and thespacing between the capacitor plates is doubled.
Cosider a series RLC circuit. Thw applied voltage has a maximum value of 160V ans ocscillates at a frq. of 74 Hz. Determine the value of the capacitor
A double slit separated by 0.0572 mm is placed 1.70 m from a screen. (a) If yellow light of wavelength 590 nm strikes the double slit, what is the separation between the zeroth-order and first-order maxima on the screen? cm (b) If blue light of wavel..
the apollo lunar module was used to make the transition from the spacecraft to the moons surface and back. consider a
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