Find change in dicplacement while the speed changes
A jet-propelled object has a straight-line motion according to the equation [x= 2 t^2 - 2t - 2] where x is in meters and t is in seconds. what is the change in dicplacement while the speed changes from 4 - 48 m/s?
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A secondary cell after long use has an emf of 1.9 V and a large internal resistance of 380 Ω . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?
The free convection heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined from observations of the change in plate temperature with time as it cools.
Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ??
An automobile tire with a volume of 0.6m3 is inflated to a gage pressure of 200 KPa. Calculate the mass of air in the tire if the temperayure is 20 degree C using the ideal gas equation of state.
A jet-propelled object has a straight-line motion according to the equation [x= 2 t^2 - 2t - 2] where x is in meters and t is in seconds.
The balance point of the cell in open circuit is 76.3 cm. When a resistor of 9.5 Ω is used in the external circuit of the cell, the balance point shifts to 64.8 cm length of the potentiometer wire. Determine the internal resistance of the ce
Air can be assumed to be an ideal gas with a temperature-independent heat capacity CP = 29.3 J/mol-K. What is the number of moles left in the tank at the end of the process?
A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?
Consider a cross flow of water (saturated water) that comes at 20C with a velocity of 5 m/s on the surface of a cylindrical tube that has a diameter of 10 mm. The surface of the tube is maintained at 50C from end to end.
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