A geologist estimates that a large boulder weighs 7840 N. What should he estimate the mass of this boulder to be? A. 650 kg B. 740 kg C. 780 kg D. 800 kg

Explain how heat is transferred between a hot and cold object by conduction.

A local fast food company sells a 16-oz soft drink. To determine if the soft drinks served contain < the advertised 16 oz, a random sample of 20 drinks is chosen and the amount of drink in each cup is measured (without ice).

A satellite is in a circular orbit around the earth. the period of the satellite is 25.4 hr. calculate the radius of the orbit of the satellite. dаta: mass of the earth = 5.98 x 1024 kg.

Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why?

What is the current in a 120V circuit if the resistance 10?

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat