7. A Cyclist speeds up from 6.00 m/s to 9.70 m/s in a time of 1.40 seconds. What is the acceleration of the cyclist? *
a. 11.2 m/s2
b. 9.81 m/s2
c. 2.64 m/s2
d. 4.29 m/s2

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher