1.15. A car is travelling along a straight road with speed v measured in m/s. The power P measured in watts required to overcome external
forces opposing the motion is given by the P = cv + kv3
where c and k are constants. Use base units to obtain an S. I. unit for
constant k.

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?