Which method of determining density is more accurate, the water displacement method or archimedes' principle method?

A body of mass m is suspended from a spring with spring constant k in configuration (a) and the spring is stretched 0.1m.

A strings. A 50 gram bullet, traveling horzontally, strikes the block and becomes embedded inside the block. Immediately after the bullet becomes embedded in the block, the block is observed to have a speed of 8.0 m/s.

The energy needed to get a reaction started is the A. adhesion energy. B. activation energy. C. cohesion energy. D. chemical energy.

Why is thermal energy produced not generally usable to do work? 1Because the thermal energy dissipates too quickly and is not concentrated enough to be used 2Because this energy is lost to the universe 3 Because thermal energy is a form of energy

A curve has a radius of 50 meters and is banked 5 degrees. The road is covered with ice and is frictionless. What is the maximum speed, in mph, a car can travel and negotiate the curve? A.) 15.65mph B.) 25.00mph C.) 65.00mph D.) 6.55mph E.

A car with a constant velocity of 22 m/s is driven for 6.8 s. How far did it travel? A. 29 m B. 154 m C. 150 m D. 3 m

Which answer correctly describes section 2 of the brain

If the frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum speed of the oscillator change? A) 2 B) 4 C) It does not change. D) 1/2 E) 1/4

What will result in the greatest gravitational force

According to the law of reflection, what is the angle of incidence