This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

Which of the following is NOT an effect of El Niño? a. mudslides c. earthquakes b. droughts d. hurricanes

What is the correct defenition of velocity

Note that the simulation allows you to also display the force of the smaller moon pulling upon the larger planet. Click/tap the button to show the force acting upon the planet.

A student performs a reaction twice. In the second trial, he increases the temperature of the reaction and notes that the reaction happens more quickly. The student concludes that this means the reaction was endothermic.

1 example of each form of energy

Tony uses the device shown in the diagram to model how an electromagnet is used in his uncle's scrap metal yard.

A flight attendant pulls a 60.0 N flight bag a distance of 239.0 m along a level airport floor at a constant speed. A 21.0 N force is exerted on the bag at an angle of 66.0 degrees above the horizontal. How much work is done on the flight bag?

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?

This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

A source from which organisms generally take elements is called a/an A. biotic community. B. reservoir. C. exchange pool. D. food web.