A racing car can complete an 800 m long lap in 14 s. What is the speed of the
car?

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

Rohit is trying to tune an instrument

Which type of basaltic lava flow has a fairly smooth