A lever where the resistance force is between the fulcrum and the effort force is a second-class lever. true false

Use the accompanying seismogram to answer which of the three types of seismic waves reached the seismograph first.

On what bases are galaxies classified? A) Density and volume B) Mass and temperature C) Shape and structure D) Temperature and size

How is the mass of a liquid substance affected after it freezes A) It increases. B) It decreases. C) It stays the same.

According to Newton's second law of motion, the acceleration of an object is inversely proportional to which quantity? velocity mass net force displacement worry

A golfer strikes a stationary golf ball that has a mass of 0.02 kg. The golf ball leaves the club with a speed of 180 m/s. A high-speed camera determines that the club was in contact with the ball for 0.56 x 10-3 s.

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is