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a body stands on a scale in the elevator if the scale reads 627.2 when the elevator is stationary, what will it read when the elevator is moving upward with an acceleration of 3.0m/s, a constant speed and a deceleration of 2m/s
define newtons law
Physics
A 0.79-kg ball is placed on top of a 2.5-kg book which is at the top of a table. What is the magnitude of the force exerted by the table to the two objects?
you apply constant horizontal force of 80N to a wooden crate on a smooth horizontal floor.The crate start from rest and moves 11m in 5 seconds.If you stop pushing at the end of 5 seconds,how far does the crate move in the next 5 seconds?
Physics
Calculate the current in a series circuit if the voltage is 12.0 V and there are two resistors in series, one with a 2.00 ohm resistance, and one with a 4.00 ohm resistance.
Physics
- Calculate the electric field strength 0.4m from a 0.0098C charge.
Physics
- An electric drill operating at 120. volts draws a current of 3.00 amperes. What is the total amount of electrical energy used by the drill during 30 seconds of operation?
Physics
Two objects (X and Y) are placed at a distance of 0.200 m from each other. The charge on X is 1.38 x 10-6 C and the charge on Y is 2.48 x 10-6 C. What is the value of the electrical force (in Newtons) between the two objects?
Physics
- Balloons X, Y and Z are suspended in a horizontal line. Positively-charged balloon X attracts balloon Y, while balloon Y repels balloon Z.
- Which of the following best describes balloon Z.
Physics
- A neutral object can become negatively-charged by _______.
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#340153 on Dec 2023
#340153 on Dec 2023