What is the mass of a falling rock if it hits the ground with a force of 147 newtons?

A man standing on a bridge throws a stone horizontally with a speed of 20m/s. The stone hits the water below 3 seconds later. How high is the bridge?

The purpose of the fraud fighter / black light machine is to:

Arrange the following substances in order of decreasing magnitude of lattice energy. KCl NaF SrO BaO

Deep-focus earthquakes form at subduction zones as well as continental-continental plate boundaries True Or False

A flagpole is perpendicular to the horizontal but iis on a slope that rises 10 degrees from the horizontal. the pole casts a 43-foot shadow down the slope and angle of elevation of the sun measured from the slope is 36 degrees. how tall is the pole?

What do radio waves and microwaves have in common? A. Both have shorter wavelengths than visible light. B. Both are located to the right of visible lights on the spectrum. C. Both have higher frequencies than visible light. D.

How long can you keep string cheese in the fridge?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?