A machine is designed to lift an object wit a weight of 12 Newton's if the input for the machine is set at 4 Newton's what is the mechanical advantage of the machine

Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what? A) digestion Eliminate B) excretion C) growth D) respiration

About how many weeks does it take the Moon to go from a full Moon phase to a third quarter phase? A. 1 B. 2 C. 3 D. 4

If you walk at 5 km/h down the aisle to towards the front end of a train that moves at 70 km/h, what is your speed relative to the ground?

Which is the best example of the transfer of heat through radiation

A bird can fly 30km/hr. How many hours does it take to fly 22,000 m?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2