A ball is thrown horizontally from a cliff and hits the ground 4 seconds later 40 meters from the base of the cliff. How high was the cliff (rounded to the nearest tenth of a meter) ?

At 25 mph, it will take you about how many feet to stop your car?

True or False: Graphs provide a good visual representation of the relationships between the factors investigated in an experiment?

What would the charge of an atom be if it has six protons and six electrons? a. about + 12 c. 6 b. about - 12 d. There is no charge

List the location of the following subatomic particles: A. Proton B. Electron C. Neutron

What needs to accomplished in the areas of tissue and organ bioengineering

A locomotive is pulling 16 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.

What is the special feature of the upper mantle?

What is the difference between weight and mass? mass and weight are both intrinsic properties of an object. if you multiply the mass of an object by the acceleration due to gravity, you will obtain the object's weight.

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. the skipper estimates the distance between crests is 15 m. what is the speed of the water waves?

According to this lesson, how many major ice ages has the earth undergone? A. 2 B. 3 C. 4 D. 5