Calculate how much force is required to give a 0.15-kg baseball an acceleration of 12m/s2

Ferns that eject spores generally do so in pairs, with two spores flying off in opposite directions. The structure from which the spores are launched is quite lightweight.

If the heat source were replaced by a block of ice would the cold be transferred through the material the same way?

A push on a textbook with 10 N moves it to a distance of 2 cm. How much force is need to move it to 4 cm?

What is the development of static?

What is 2.0 ft * 4 ft, to the correct number of significant figures?

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field

Why would you expect to see similar rocks and rock structures on two land masses that were connected at one time?

A quantity that is ignorant of direction is referred to as a