Atechnology based on placing brief digital recordings of live sounds under the control of a synthesizer keyboard is known as

Sampling technology.

Explanation:

The use of technology based on reuse of a portion of a sound recording on a another one. They can be incorporated as hardware also known as samplers or digital audio work stations.

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces