A ball is thrown straight up and reaches a maximum height of 35m. Using 9.8m/s squared as gravity, what was the initial speed of the ball?

Melanie completes a long distance run at an average speed of 6 mph. If it takes her 3 hours, how far did she run?

If you were to take a radio to the moon, which of the following would correctly describe the changes to its mass and weight?

What does classify mean

All of the following are ways the atmosphere makes life on Earth possible except the atmosphere provides warmth the atmosphere provides protection the atmosphere gives us air to breathe the atmosphere gives us the ground to stand on

Two children push on opposite sides of a door. The first child pushes with a force of 30 N perpendicular to the door at a position 0.4 m from the hinges of the door.

Sound with frequency 1300 Hz leaves a room through a doorway with a width of 1.03 m. At what minimum angle relative to the centerline perpendicular to the doorway will someone outside the room hear no sound

If wavelength is kept constant, which increases as the speed of a wave increases? Question 13 options: period frequency amplitude phase

If the masses of an object increase and their distance from each other stays the same the force of gravity decreases increases stays the same increases then decreases

Which are strong bases? Check all that apply. HCI NaOH NH3 H2CO3 ΠΗΝΟΣ OKOH

The universal force that is effective over the longest distance is called? A:electromagnetic B: strong nuclear C: weak nuclear D: gravity