A ball is thrown at an angle of 45° to the ground. if the ball lands 87 m away, what was the initial speed of the ball? (round your answer to the nearest whole number. use g â 9.8 m/s2.)

What are the short eruptions of intense high-energy radiation from the sun's surface called? Corona Prominences Solar flares Sunspots

What is "frame of reference?"

And area ? if a pressure gauge measure Increase in 3 x 101 (s) Pa on an of 0.7 m2, calculate the increase in the applied to the area? force

Check every statement about cells that is true. Cells come in different shapes and sizes. All cells perform the same function in a multicellular organism. Cells are considered the basic structural unit of life. Cells are found in every living thing.

The oxidation number of all metals on the periodic table have a positive (+) charge. Which of these best explain why?

You accidentally slide a glass of milk off a table that is 0.9 m tall. How long does it take the milk to hit the ground.

A container can be made from steel [β = 36 * 10-6 (C°) - 1] or lead [β = 87 * 10-6 (C°) - 1]. A liquid is poured into the container, filling it to the brim.

Which solution has the greatest number of hydroxide ions? baking soda, pH = 9 milk, pH = 6 tomato juice, pH = 3.5 vinegar, pH = 2A substance is boiled repeatedly and stirred, but the solute never mixes with the solvent.

Part of the suns energy that reaches the Earths surface is absorbed by land and water as heat. The earths surface then releases heat back into the atmosphere Which of the following is true about this solar energy that is absorbed and released by

When Emeka was first training his dog, Smooches, to heel he would give Smooches a treat when she stayed close during walks. Now Smooches stays right by Emeka's side, even when she is not on her leash. In this case, a.