the half-life of carbon-14 is 5,730 years. After 11,460 year, how much of original carbon-14 remains?

A 2000kg car traveling 30m/s slams on their brakes to stop. Maximum braking force of the car is 20,000 Newton's, how far does the car travel from the time they slam on their brakes till it stops?

When air resistance balances the force of gravity an object falls at a constant speed called

The chip thickness ratio is which one of the following: (tc = chip thickness after the cut, to = chip thickness before the cut, f = feed, d = depth, and w = width of cut) a. tc/to b. f/d c. to/tc d. to/w

The cable supporting a 2130-kg elevator has a maximum strength of 2.18*104 n. what maximum upward acceleration can it give the elevator without breaking?

Before the cells in a person's body can use the food that the person eats, the food must be A. chemically broken down into sugar. B. chemically changed into heat. C. physically changed into a solid. D. physically heated to 100°C.

How fast would the moon need to travel in order to escape the gravitational pull of Earth, if Earth has a mass of 5.98 X 1024 kg and the distance from Earth to the moon is 3.84 x 108 m?

6. A technlclan can be electrocuted when working on HEVs or EVs. A) O True B) O False

You light a light bulb with a 1.5 volt battery. if the bulb has a resistance of 10 ohms, how much current is flowing?

How are the mass and weight an object related? Include a description with words and a equation.

Which layer of the atmosphere is the top layer of the thermosphere?