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Q. A novice skier, starting from rest, slides down a frictionless 41.0 incline whose vertical height is 230 .How fast is she going when she reaches the bottom?
Q. A 0.112-A current is charging a capacitor that has square plates 5.00 cm on each side. The plate separation is 4.00 mm.
(a) Find the time rate of change of electric flux between the plates.
(b) Find the displacement current between the plates.
An 9.00 {rm kg} point mass and a 15{rm kg} point mass are held in place 50{rm cm} apart. A particle of mass m is released from a point between the two masses 19{rm cm} from the 9{rm kg} mass along line connecting the two fixed masses.
Calculate the kinetic energy acquired by a 11 kg nail when it is struck by the 530 kg hammer moving with an initial speed of 4.4m/s.
What is Newtons Version of Keplers Third Law
In adding, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
What mass of water at 29.0°C added to a Styrofoam cup containing two 60.0 g ice cubes from a freezer at -16.0°C will result in a final temperature of 5.00°C for the drink? Explain it.
What is the electric force
Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read.
Calculate each of the following if the electrons exit the field with a speed of 4.45x10^6 m/s and distance between the plates is 2.07 cm.
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
What is angular velocity of the cockroach-disk system
An electron is accelerated by a 4.5 kV potential difference. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5 cm.
The 2.00 kg object below is released from rest at the height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 450 N/m. The object slides down the ramp and into the spring, compressing it a distance x b..
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