A lever was used to lift a heavy rock. The input force was 150 N and the output force was 500 N. What was the mechanical advantage of the pulley?
O A. 3.3
O B. 0.3
O C. 650
O D. 350

Which equation represents a fission reaction? o "9n+h—150 o 235u + n—190cs + rb+25 o be + he—1c + in o 28 np —> 2390 pute

Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.