A spring in a toy gun has a spring constant of 10 N/m and can be compressed 4 cm. It is then used to shoot a 1 g ball out of the gun. Find the velocity of the ball as it
leaves the gun

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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)