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Physics Q&A

Force between 2 charges increased by 16 times their distance =?

A. 4 B. 2 C. 1/8 D. 1/4 E. 8 Update: times of original distance times of original distance 8…

What is the diameter of the radar beam at a distance of 30.0 km?

A radar for tracking aircraft broadcasts at 12 GHz microwave beam from a 2.0-m-diameter circular radar antenna.

how long is forever ?As long as we are life ? Because nothing is for ever .even sun will die one day .?

18 Answers Paula 6 days ago Forever is eternity. Which is a long long time. Curiously, half of eternity is…

An object is dropped from a height of 22 m. At what height will its kinetic energy and its potential energy be equal?

5 Answers ? 6 days ago at a stationary height of 22 m , the object has only potential energy…

How much work must be done to pull the plates apart to where the distance between them is 2.0 mm?

A capacitor consists of two 7.0-cm-diameter circular plates separated by 1.0 mm. The plates are charged to 160 V ,…

What is the magnetic field at the center of the loop in the figure? (Figure 1)

What is the magnetic field at the center of the loop in the figure? (Figure 1)

What is the time constant for the discharge of the capacitors in the figure (figure 1)?

What is the time constant for the discharge of the capacitors in the figure (Figure 1) ?

What is the magnitude of the net force on the first wire in (figure 1)?

What is the magnitude of the net force on the first wire in (Figure 1)? Express your answer in newtons.

Does anyone know how to answer this electric physics question if someone could help me and work it out for me step by step that be great?

A wire of uniform cross-section has a resistance of 0.025 . What would be the resistance of a wire of…

What s is its maximum altitude?

A rocket is launched vertically upward from Earth s surface at a speed of 5.1 km/s . 4 Answers ?…