A 4.00-cm tall light bulb is placed a distance of 40 cm from a concave mirror having a focal length of 18 cm. Determine the image distance and the image size. (Hint: first determine the di and then use it to determine the hi.)

If you mix chlorine lithium and nickel together which two elements would be the most reactive

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.