A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. How much centripetal force does she experience?

A) 0.16 N

B) 0.38 N

C) 57 N

D) 580 N

A minor cannot avoid a contract to purchase a car if the: a. car has been destroyed. b. car has been damaged. c. car is used for non-commercial purposes. d. minor is able to return the car but does not do so.

A tectonic plate near Niihau, an island in Hawaii, grows at an average rate of 11 cm/year. If the rate of plate expansion doubles, how many more centimeters will the plate grow in 3 years, compared to the present rate?

A star is held together by:

Compare and contrast the purpose of a control, an independent variable, and a dependent variable in an experiment.

Sam is pulling a box up to the second story of his apartment via a string. The box weighs 16.5 kg and starts from rest on the ground. Sam is pulling so that the velocity of the box is increasing by 2.6 m/s every second.

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a

Which of these circuit schematics has an ammeter?

What is the meaning of the word corrosion?