I really need help on this. *my teachers is gruesome- 1. A car starts out at 0 meters per second. It ends up at 100 meters per second . The time is 20 seconds. Calculate acceleration
2.A roadrunner accelerates for 20 meters per second to 60 meters per second in 5 seconds.
3.A lizard running from the roadrunner gets squashed by the car. It was running at 30 meters per second when it got squashed. It’s final velocity is now 0 meters per second because it’s road kill...The time was 10 seconds.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f