In digestion the molecules in your food break down to simpler chemical substances releasing energy as they do so this is a physical change

true or false

What is the outcome of a star that runs out of hydrogen

Which of the following box-and-whisker plots represents the data set given below? {98.6, 99.4, 97.2, 101.3, 100.1, 98.2, 99.2, 98.9, 98.0, 103.5, 99.0}

When our brain fills in missing pieces, this is called

A block of wood loses 160 j of gravitational potential energy as it slides down a ramp. if it has 90 J of kinetic energy at the bottom of the ramp we can conclude that

How are the terms atom and element related

A lorry with a mass of 5000kg accelerates to overtake a caravan on the motorway. Its acceleration is 1.5m/s². What force must the engine be providing? You can ignore the effects of friction and air resistance

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?