How much thermal energy must be added to a 1.4 kg piece of lead to convert it from a solid to a liquid at 327.5∘? Latent heat of fusion for lead is Lf=2.32*104J/kg.

An astronomical unit (AU) is equal to the average distance from Earth to the Sun, about 92.9 * 10⁶ mi. A parsec (pc) is the distance at which a length of 1 AU would subtend an angle of exactly 1 second of arc.

What is the result of 6.2*10 to the fourth power times 3.3*10 to the second power express in scientific notation

What is self-esteem? An individual's desire to grow An individual's sense of self worth An individual's drive to fulfill biological needs An individual's knowledge about him or herself

Which of the following terms describe the shape of the planets' orbit around the sun? Elipse Circle Irregular Unkown

What affects the amount of potential energy stored in the magnetic field when a magnet is moved against a magnetic force?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.