A horizontal force of 0.80N is acquired to pull a 5kg block across a table top at a constant speed. With the block initially at rest, a20g bullet is assumed to be embedded in the rock

Both independent and dependent clauses

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%