Barium replaces calcium in the following reaction: ba caco3 → baco3 ca. what type of reaction does this represent?

If it takes a force of 2000 N to move a crate at a rate of 11.56 m/s, what is the mass of the object?

ou are looking for a new tennis partner. Which of these people would most likely demonstrate good sportsmanship based on the information provided?

What charges faster, an iPhone with charger plugged into a wall or a iPhone with charger plugged into a computer?

A train travels 80 kilometers in 3 hours, and 84 kilometers in 2 hours. What is the average speed?

Which is an example of electromagnetic energy? a. an x-ray b. a chemical reaction c. a fission reaction d. an electric charge

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?

A bowling ball has a mass of 7.2 kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into

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