What does the law of conservation of matter state?

A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car ahead of it which has a mass of 875 kg and a velocity of 25.0 m/s. After the collision, the two cars stick together.

Which force best represents Fg? a) A weight lifter is pushing a barbell upward with a force of 90 N. b) The weight of a barbell acting on a weight lifter is 80 N. c) The amount of upward force of a table on a box is 25 N.

A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains constant, what will be the resulting current? 03A 0 0.4A 0 12A G 3.6A

A plane comes in for landing at a velocity of 80 meters per second west. As it touches down, it decelerates at a constant rate of 3 meters per second per second.

Dry ice is solid carbon dioxide that is used in the transport of food and medicine. Dry ice becomes a gas at - 78.5°C without becoming a liquid first.

Which will produce a bigger acceleration: a force of 10.0 N acting on a mass of 5.0 kg, or a force of 5.0 N acting on a mass of 10.0 kg?

A proton accelerates from rest in a uniform electric field of 610 N/C. At some later time, its speed is 1.4 106 m/s. (a) Find the magnitude of the acceleration of the proton.

What does the law of conservation of matter state?

Heat flows due to: Select one: a. conduction b. convection c. radiation d. all of the above

A mine elevator is supported by a single steel cable 0.0125 m in diameter. The total mass of the elevator cage and occupants is 6450 kg. By how much does the cable stretch when the elevator hangs by 362 m of cable? (Neglect the mass of the cable.