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When you lift a parcel with a force of 82 Newton, the parcel accelerates upward at a rate of a. If, instead, you lift with a force of 91 Newton, the package now has an acceleration of 4 x a.
(a) Calculate the weight of the parcel in N.
(b) Determine the acceleration a.
q1. an ocean liner leaves new york city and travels 37.0deg north of east for 171 km. how far east and how far north
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
consider two point particles that have charge e are at rest and are separated by 3.70 x 10-15 m.a how much work was
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
a beam of light is incident from air on the surface of a liquid. if the angle of incidence is 29.0deg and the angle of
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 145°C. What is the rms speed of each type of molecule
a block of mass 0.246 kg is placed on top of a light vertical spring of force constant 5 125 nm and pushed downward so
A 12 H inductor carries a steadycurrent of 1.0 A. At what rate must the current be changed to produce a 50V emf in the inductor
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 72 cm and is wrapped around the top at a place where its radius is 2.3 cm. The thickness of the string is neg..
A motor has an internal resistance of 12 ohms. When running, the motor has a back emf of 30 V and draws a current of 4.0 A. What is the supply voltage in this case
In a steam turbine, steam is flowing at 20kg/s. At the inlet of the turbine, specific enthalpy is 2800kJ/kg, velocity 20m/s and heigh is 2m. Obtain the turbine output power
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 49m diameter loop the loop
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