Downward velocity is considered a negative. true or false
Which of these components of projectile motion is not influenced by gravity
A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How high was the cliff rounded to the nearest meter
In what type of orbits do planets move around the sun
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
A bicycle is an example of what machine
What factor prevents a machine from operating at 100 percent efficiency