By what factor must an object's speed in circular orbit be increased to reach escape speed from its orbital altitude?

Why do electron microscopes have higher resolving power than light microscopes?

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.