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a bucket of mass 2 kg is whirled in vertical circle of radius 1.10m. at the lowest point of its motion the tension in the rope supporting the bucket 25 N
a find the speed of the bucket?
b how fast must the bucket move at the top of the circle so that the rope does not go slack?
Starting from rest, a boulder rolls down a hill with constant acceleration and travels 3.00m during the first second. how FAR does it travel during the second second
A steel cable with a total length of 25.6 m and total mass of 95 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
Consider a dry air parcel at -12 degrees celsius and 450mb that descends adiabatically down to the surface where p=1000mb, Calculate the potential temperature at the surface
Two boats start together and race across a 56-km-wide lake and back. Boat A goes across at 52 km/h and returns at 56 km/h. Boat B goes across at 36 km/h, and its crew, realizing how far behind it is getting, returns at 79 km/h. Turnaround times are n..
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him. What force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s. What is the temperature (in Kelvin) of the environment
Visible light of wavelength 480 nm is incident on a diffraction grating with a slit spacing of 0.003 mm
A Baseball player rounds third base and is heading for home when he is signalled by the base coach to slide. find the coefficient of kinetic friction between him and the ground
The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 950 ohm resistor in series with the deflection plates.
A transformer has 5.00 E4 turns in its primary coil and 7.00 E3 turns in its secondary coil. find the rms current in the primary coil
Heat and physical activity. In a bench press, a weight lifter lifts 132kg 41cm. In so doing, the athlete expends 1.2kJ. What's the heat flow involved in this process
Find out the precession period of the axis
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