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A motorist drives south at 28.0 m/s for 3.00 minute, then turns west and travels at 25.0 m/s for 2.20 minute, and finally travels northwest at 30.0 m/s for 1.00 minute. For this 6.20 minute trip, determine the following values.
1. Total vector displacement (m) .
2. Average speed (m/s).
3. Average velocity m/s (magnitude).
A 42.5 mA current is carried by a uniformly wound air-core solenoid with 425 turns, a 19.5 mm diameter, and 13.0 cm length. Compute the inductance of the solenoid
a dense rubber buoy is attached to a lead weight when it is accidentally lost overboard from an ocean going vessel. the
A 15-uF capacitor is connected to a 50-V battery and becomes fullycharged. The battery is removed and a slab of dielectric that completely fills the spacebetween the plates is inserted. If the dielectric has a dielectric constant of 5.0:
noting that a person standing in a room maintained at 20degc at all times the inner surfaces of the walls floors and
question a 60 year old person has a threshold of hearing of 75.0 db for a sound with frequency f 10000 hz. by what
An electric vehicle starts from rest and accelerates at a rate of 1.7 m/s2 in a straight line until it reaches a speed of 27 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. (a) How much time elapses from start to stop? (..
When a potential difference of 168 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2. What is the spacing between the plates
An inductor in the form of a solenoid contains 410 turns and is 12.0 cm in length. What is the radius of the solenoid
A 0.150kg toy is undergoing SHM on the end of a horizontalspring with a force constant 300 N/m. estimate the maximum speed attained by the object duringits motion
A narrow beam of sodium yellow light with wavelength 589 nm in vacuum, Determine the wavelength of the light in water
If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.480 cm give in the pads of his feet. Calculate the average force exerted on him
a car traveling 85 kmhr strikes a tree. the front end of the car compresses and the driver comes to a rest after
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