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A simple pendulum, 2.0 m in length, is released with a pushwhen the support string is at an angle of 25 from the vertical. Ifthe initial speed of the suspended mass is 1.2 m/s when at therelease point, what is its speed at the bottom of the swing? (g=9.8 m/s^2)
A diverging lens with f = -24.5 cm is placed f= 13.5 cm behind a converging lens with f = 20.0 cm. Where will an object at infinity be focused
A 850kg electric car uses a 270 V battery pack. What's the maximum speed the car can attain during this time
The uniform solid block in the figure has mass 38.3 kg and edge lengths a = 0.622 m, b = 1.41 m, and c = 0.0740 m. Calculate its rotational inertia about an axis
A merry-go-round (carousel) with a moment of inertia of 594 kg·m2, is initially rotating horizontally at 2 rad/s about a frictionless axis through its center.
If a car traveling at 55 km/h will skid 24 m while its brakes lock, how far will it skid if it is traveling at 130 km/h when its brakes lock.
The input coil of a transformer has 10 winding current to flow from 12 volt battery. how long will it take for circuit to rach its final current
Determine the image distance for an object d0 = 5.100 cm from a diverging lens of radius of curvature 4.080 cm and index of refraction 1.800. What is the magnification of the object
A 38.00 kg girl is bouncing on a trampoline. All throughout a certain interval after she leaves the surface of trampoline, her kinetic energy decreases to 185J from 425J. How high does she rise all through this interval? Avoid air resistance.
question1a professors office door is 0.92 wide 2.0high and 4.0 thick has a mass of 25 and pivots on frictionless
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33 500 V. find the electron speed just before the electron strikes the screen
You and Maria each own identical spaceships. As you fly past Maria, you measure her ship to be 96 m long, How fast is Maria moving relative to you
The activity (decays per second) of a certain radionuclide is observed to decrease by 87.5% in 30 hours. What is the half life T(1/2) of the radionuclide
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