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A small mailbag is released from a helicopter that is descending steadily at 1.50 m/s.
a) After 2.00 s, what is the speed of the mailbag?
b) How far is it below the helicopter?
c) What are your answers to parts (a) and (b) if the helicopter is rising steadily at 1.50 m/s ?
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, What is the true distance between the points
A 120.0 volt motor draws a current of 5.60 A when running at common speed. The resistance of the armature wire is 0.790. Decide the back emf generated by the motor. What is the current at the instant when the motor is now turned on and has not begun ..
A 3.5 kg block is released from a compressed spring whose spring constant is 640N/m. After leaving the spring at the spring’s relaxed length, the block travels over a horizontal surface by a coefficient of friction of 0.25, for distance of 7.8mcoming..
Is this idea correct: the acceleration of the particle is constant so you can utilize the kinematic equations to discover the time when the particle passes during the field?
A 40 cm long tube has a 40 cm long insert that can be pulled in and out. As the insert is slowly pulled out, What is the frequency of the tuning fork
The electric field midway between two equal but opposite point charges is 832 , and the distance between the charges is 11.6. evaluate the magnitude of the charge on each
A bullet of mass 0.002 kg moving at 421 m/s impacts a large fixed block of wood and travels 6.1 cm before coming to rest. find the force exerted by the wood on the bullet
A swimming pool has dimensions 32.0 m ? 12.0 m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water. What is the force exerted by the water on the bottom
Using the Equation of Hydrostatic Equilibrium, show that if we measure the pressure at the base of the atmosphere, Use the answer in the previous part to write an expression for the total mass of Earth's atmosphere
A 0.291-kg volleyball approaches a player horizontally with a speed of 12.2 m/s. What impulse is delivered to the ball by the player
A spring, with a force constant 5.00x10^2 n/m, is horizontal with one end fixed to a wall and the other end free. How far will the block travel once the spring is released
A 5.0 meter long rod is stretched by a force therefore that it measures 5.10 meter. Calculate what is the strain in the rod
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