A 3kg book falls from a shelf. If it lands with a speed of 4.8 m/s, from what height did it fall? A. 28.8 m, B. 1.2 m, C. 0.6 m, D. 14.1 m

What is the kinetic energy of a 1.00g hailstone falling at 8.50m/s

CH4 + 2O2 → CO2 + 2H2O The number in front of a compound in a balanced chemical equation is known as a (n) A) charge. B) coefficient. C) exponent. D) subscript.

Which object provides an inertial frame of reference? the tip of the moving second hand of a clock a rock thrown vertically upward a pendulum swinging with no air resistance a skydiver falling at terminal velocity

Suppose a log log's mass is 5kg. Aftee burning, the mass of the ash is 1kg. Explain what may have happened to the other 4kg?

Find your mass if the scale on earth reads 650n when you stand on it

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.

Which of the following creates a longitudinal wave? A. striking a gong B. turning on a flashlight C. shaking a rope up and down D. dropping a stone into a pond

What can you do to reduce the electric uses within your home?

The impulse experienced by a body is equivalent to the body's change in A) velocity B) kinetic energy C) momentum D) force