If a neutral metal comb is held near an object with a negative charge the comb will become charged by?

options

A. induction

B. contact

C. friction

D. static discharge

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

Mass, like weight, always changes depending on its location.

I'm very confused on this home work question How did magnetism 'drive' the theory of plate tectonics?

A spring has a relaxed length of 26 cm (0.26 m) and its spring stiffness is 11 n/m. you glue a 69 gram block (0.069 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 16 cm.

A ball rolls horizontally off a table of height 0.6 m with a speed of 9 m/s. How long does it take the ball to reach the ground? A. 0.067 s B. 0.35 s C. 1.2 s D. 15 s

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?

How Long will it take a plane flying north from Miami to reach New York City 1800 km away if the average velocity of the plane is 940 km/h

If vector A = 5.5N NE and vector B = 10m N 30° W, what is the vector product of A*B

Which is the best desciption of a molecule?